pictcode / lib / Cake / Model / Datasource / DboSource.php @ 635eef61
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| 1 | 635eef61 | spyder1211 | <?php
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| 2 | /**
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| 3 | * Dbo Source
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| 4 | *
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| 5 | * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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| 6 | * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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| 7 | *
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| 8 | * Licensed under The MIT License
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| 9 | * For full copyright and license information, please see the LICENSE.txt
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| 10 | * Redistributions of files must retain the above copyright notice.
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| 11 | *
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| 12 | * @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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| 13 | * @link http://cakephp.org CakePHP(tm) Project
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| 14 | * @package Cake.Model.Datasource
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| 15 | * @since CakePHP(tm) v 0.10.0.1076
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| 16 | * @license http://www.opensource.org/licenses/mit-license.php MIT License
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| 17 | */
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| 18 | |||
| 19 | App::uses('DataSource', 'Model/Datasource'); |
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| 20 | App::uses('CakeText', 'Utility'); |
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| 21 | App::uses('View', 'View'); |
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| 22 | |||
| 23 | /**
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| 24 | * DboSource
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| 25 | *
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| 26 | * Creates DBO-descendant objects from a given db connection configuration
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| 27 | *
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| 28 | * @package Cake.Model.Datasource
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| 29 | */
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| 30 | class DboSource extends DataSource { |
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| 31 | |||
| 32 | /**
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| 33 | * Description string for this Database Data Source.
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| 34 | *
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| 35 | * @var string
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| 36 | */
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| 37 | public $description = "Database Data Source"; |
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| 38 | |||
| 39 | /**
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| 40 | * index definition, standard cake, primary, index, unique
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| 41 | *
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| 42 | * @var array
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| 43 | */
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| 44 | public $index = array('PRI' => 'primary', 'MUL' => 'index', 'UNI' => 'unique'); |
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| 45 | |||
| 46 | /**
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| 47 | * Database keyword used to assign aliases to identifiers.
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| 48 | *
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| 49 | * @var string
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| 50 | */
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| 51 | public $alias = 'AS '; |
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| 52 | |||
| 53 | /**
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| 54 | * Caches result from query parsing operations. Cached results for both DboSource::name() and
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| 55 | * DboSource::conditions() will be stored here. Method caching uses `md5()`. If you have
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| 56 | * problems with collisions, set DboSource::$cacheMethods to false.
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| 57 | *
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| 58 | * @var array
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| 59 | */
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| 60 | public static $methodCache = array(); |
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| 61 | |||
| 62 | /**
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| 63 | * Whether or not to cache the results of DboSource::name() and DboSource::conditions()
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| 64 | * into the memory cache. Set to false to disable the use of the memory cache.
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| 65 | *
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| 66 | * @var bool
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| 67 | */
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| 68 | public $cacheMethods = true; |
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| 69 | |||
| 70 | /**
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| 71 | * Flag to support nested transactions. If it is set to false, you will be able to use
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| 72 | * the transaction methods (begin/commit/rollback), but just the global transaction will
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| 73 | * be executed.
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| 74 | *
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| 75 | * @var bool
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| 76 | */
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| 77 | public $useNestedTransactions = false; |
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| 78 | |||
| 79 | /**
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| 80 | * Print full query debug info?
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| 81 | *
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| 82 | * @var bool
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| 83 | */
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| 84 | public $fullDebug = false; |
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| 85 | |||
| 86 | /**
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| 87 | * String to hold how many rows were affected by the last SQL operation.
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| 88 | *
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| 89 | * @var string
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| 90 | */
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| 91 | public $affected = null; |
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| 92 | |||
| 93 | /**
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| 94 | * Number of rows in current resultset
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| 95 | *
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| 96 | * @var int
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| 97 | */
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| 98 | public $numRows = null; |
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| 99 | |||
| 100 | /**
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| 101 | * Time the last query took
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| 102 | *
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| 103 | * @var int
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| 104 | */
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| 105 | public $took = null; |
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| 106 | |||
| 107 | /**
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| 108 | * Result
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| 109 | *
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| 110 | * @var array
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| 111 | */
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| 112 | protected $_result = null; |
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| 113 | |||
| 114 | /**
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| 115 | * Queries count.
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| 116 | *
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| 117 | * @var int
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| 118 | */
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| 119 | protected $_queriesCnt = 0; |
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| 120 | |||
| 121 | /**
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| 122 | * Total duration of all queries.
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| 123 | *
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| 124 | * @var int
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| 125 | */
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| 126 | protected $_queriesTime = null; |
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| 127 | |||
| 128 | /**
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| 129 | * Log of queries executed by this DataSource
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| 130 | *
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| 131 | * @var array
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| 132 | */
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| 133 | protected $_queriesLog = array(); |
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| 134 | |||
| 135 | /**
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| 136 | * Maximum number of items in query log
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| 137 | *
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| 138 | * This is to prevent query log taking over too much memory.
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| 139 | *
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| 140 | * @var int
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| 141 | */
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| 142 | protected $_queriesLogMax = 200; |
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| 143 | |||
| 144 | /**
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| 145 | * Caches serialized results of executed queries
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| 146 | *
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| 147 | * @var array
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| 148 | */
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| 149 | protected $_queryCache = array(); |
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| 150 | |||
| 151 | /**
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| 152 | * A reference to the physical connection of this DataSource
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| 153 | *
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| 154 | * @var array
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| 155 | */
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| 156 | protected $_connection = null; |
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| 157 | |||
| 158 | /**
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| 159 | * The DataSource configuration key name
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| 160 | *
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| 161 | * @var string
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| 162 | */
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| 163 | public $configKeyName = null; |
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| 164 | |||
| 165 | /**
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| 166 | * The starting character that this DataSource uses for quoted identifiers.
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| 167 | *
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| 168 | * @var string
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| 169 | */
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| 170 | public $startQuote = null; |
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| 171 | |||
| 172 | /**
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| 173 | * The ending character that this DataSource uses for quoted identifiers.
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| 174 | *
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| 175 | * @var string
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| 176 | */
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| 177 | public $endQuote = null; |
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| 178 | |||
| 179 | /**
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| 180 | * The set of valid SQL operations usable in a WHERE statement
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| 181 | *
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| 182 | * @var array
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| 183 | */
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| 184 | protected $_sqlOps = array('like', 'ilike', 'rlike', 'or', 'not', 'in', 'between', 'regexp', 'similar to'); |
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| 185 | |||
| 186 | /**
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| 187 | * Indicates the level of nested transactions
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| 188 | *
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| 189 | * @var int
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| 190 | */
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| 191 | protected $_transactionNesting = 0; |
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| 192 | |||
| 193 | /**
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| 194 | * Default fields that are used by the DBO
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| 195 | *
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| 196 | * @var array
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| 197 | */
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| 198 | protected $_queryDefaults = array( |
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| 199 | 'conditions' => array(), |
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| 200 | 'fields' => null, |
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| 201 | 'table' => null, |
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| 202 | 'alias' => null, |
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| 203 | 'order' => null, |
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| 204 | 'limit' => null, |
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| 205 | 'joins' => array(), |
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| 206 | 'group' => null, |
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| 207 | 'offset' => null |
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| 208 | ); |
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| 209 | |||
| 210 | /**
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| 211 | * Separator string for virtualField composition
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| 212 | *
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| 213 | * @var string
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| 214 | */
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| 215 | public $virtualFieldSeparator = '__'; |
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| 216 | |||
| 217 | /**
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| 218 | * List of table engine specific parameters used on table creating
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| 219 | *
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| 220 | * @var array
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| 221 | */
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| 222 | public $tableParameters = array(); |
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| 223 | |||
| 224 | /**
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| 225 | * List of engine specific additional field parameters used on table creating
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| 226 | *
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| 227 | * @var array
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| 228 | */
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| 229 | public $fieldParameters = array(); |
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| 230 | |||
| 231 | /**
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| 232 | * Indicates whether there was a change on the cached results on the methods of this class
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| 233 | * This will be used for storing in a more persistent cache
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| 234 | *
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| 235 | * @var bool
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| 236 | */
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| 237 | protected $_methodCacheChange = false; |
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| 238 | |||
| 239 | /**
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| 240 | * Constructor
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| 241 | *
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| 242 | * @param array $config Array of configuration information for the Datasource.
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| 243 | * @param bool $autoConnect Whether or not the datasource should automatically connect.
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| 244 | * @throws MissingConnectionException when a connection cannot be made.
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| 245 | */
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| 246 | public function __construct($config = null, $autoConnect = true) { |
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| 247 | if (!isset($config['prefix'])) { |
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| 248 | $config['prefix'] = ''; |
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| 249 | } |
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| 250 | parent::__construct($config); |
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| 251 | $this->fullDebug = Configure::read('debug') > 1; |
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| 252 | if (!$this->enabled()) { |
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| 253 | throw new MissingConnectionException(array( |
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| 254 | 'class' => get_class($this), |
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| 255 | 'message' => __d('cake_dev', 'Selected driver is not enabled'), |
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| 256 | 'enabled' => false |
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| 257 | )); |
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| 258 | } |
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| 259 | if ($autoConnect) { |
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| 260 | $this->connect();
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| 261 | } |
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| 262 | } |
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| 263 | |||
| 264 | /**
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| 265 | * Reconnects to database server with optional new settings
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| 266 | *
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| 267 | * @param array $config An array defining the new configuration settings
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| 268 | * @return bool True on success, false on failure
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| 269 | */
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| 270 | public function reconnect($config = array()) { |
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| 271 | $this->disconnect();
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| 272 | $this->setConfig($config); |
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| 273 | $this->_sources = null; |
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| 274 | |||
| 275 | return $this->connect(); |
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| 276 | } |
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| 277 | |||
| 278 | /**
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| 279 | * Disconnects from database.
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| 280 | *
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| 281 | * @return bool Always true
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| 282 | */
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| 283 | public function disconnect() { |
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| 284 | if ($this->_result instanceof PDOStatement) { |
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| 285 | $this->_result->closeCursor();
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| 286 | } |
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| 287 | $this->_connection = null; |
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| 288 | $this->connected = false; |
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| 289 | return true; |
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| 290 | } |
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| 291 | |||
| 292 | /**
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| 293 | * Get the underlying connection object.
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| 294 | *
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| 295 | * @return PDO
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| 296 | */
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| 297 | public function getConnection() { |
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| 298 | return $this->_connection; |
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| 299 | } |
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| 300 | |||
| 301 | /**
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| 302 | * Gets the version string of the database server
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| 303 | *
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| 304 | * @return string The database version
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| 305 | */
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| 306 | public function getVersion() { |
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| 307 | return $this->_connection->getAttribute(PDO::ATTR_SERVER_VERSION); |
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| 308 | } |
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| 309 | |||
| 310 | /**
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| 311 | * Returns a quoted and escaped string of $data for use in an SQL statement.
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| 312 | *
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| 313 | * @param string $data String to be prepared for use in an SQL statement
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| 314 | * @param string $column The column datatype into which this data will be inserted.
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| 315 | * @param bool $null Column allows NULL values
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| 316 | * @return string Quoted and escaped data
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| 317 | */
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| 318 | public function value($data, $column = null, $null = true) { |
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| 319 | if (is_array($data) && !empty($data)) { |
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| 320 | return array_map( |
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| 321 | array(&$this, 'value'), |
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| 322 | $data, array_fill(0, count($data), $column) |
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| 323 | ); |
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| 324 | } elseif (is_object($data) && isset($data->type, $data->value)) { |
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| 325 | if ($data->type === 'identifier') { |
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| 326 | return $this->name($data->value); |
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| 327 | } elseif ($data->type === 'expression') { |
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| 328 | return $data->value; |
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| 329 | } |
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| 330 | } elseif (in_array($data, array('{$__cakeID__$}', '{$__cakeForeignKey__$}'), true)) { |
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| 331 | return $data; |
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| 332 | } |
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| 333 | |||
| 334 | if ($data === null || (is_array($data) && empty($data))) { |
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| 335 | return 'NULL'; |
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| 336 | } |
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| 337 | |||
| 338 | if (empty($column)) { |
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| 339 | $column = $this->introspectType($data); |
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| 340 | } |
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| 341 | |||
| 342 | switch ($column) { |
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| 343 | case 'binary': |
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| 344 | return $this->_connection->quote($data, PDO::PARAM_LOB); |
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| 345 | case 'boolean': |
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| 346 | return $this->_connection->quote($this->boolean($data, true), PDO::PARAM_BOOL); |
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| 347 | case 'string': |
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| 348 | case 'text': |
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| 349 | return $this->_connection->quote($data, PDO::PARAM_STR); |
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| 350 | default:
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| 351 | if ($data === '') { |
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| 352 | return $null ? 'NULL' : '""'; |
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| 353 | } |
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| 354 | if (is_float($data)) { |
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| 355 | return str_replace(',', '.', strval($data)); |
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| 356 | } |
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| 357 | if ((is_int($data) || $data === '0') || ( |
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| 358 | is_numeric($data) && |
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| 359 | strpos($data, ',') === false && |
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| 360 | $data[0] != '0' && |
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| 361 | strpos($data, 'e') === false) |
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| 362 | ) {
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| 363 | return $data; |
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| 364 | } |
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| 365 | return $this->_connection->quote($data); |
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| 366 | } |
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| 367 | } |
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| 368 | |||
| 369 | /**
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| 370 | * Returns an object to represent a database identifier in a query. Expression objects
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| 371 | * are not sanitized or escaped.
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| 372 | *
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| 373 | * @param string $identifier A SQL expression to be used as an identifier
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| 374 | * @return stdClass An object representing a database identifier to be used in a query
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| 375 | */
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| 376 | public function identifier($identifier) { |
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| 377 | $obj = new stdClass(); |
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| 378 | $obj->type = 'identifier'; |
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| 379 | $obj->value = $identifier; |
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| 380 | return $obj; |
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| 381 | } |
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| 382 | |||
| 383 | /**
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| 384 | * Returns an object to represent a database expression in a query. Expression objects
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| 385 | * are not sanitized or escaped.
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| 386 | *
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| 387 | * @param string $expression An arbitrary SQL expression to be inserted into a query.
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| 388 | * @return stdClass An object representing a database expression to be used in a query
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| 389 | */
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| 390 | public function expression($expression) { |
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| 391 | $obj = new stdClass(); |
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| 392 | $obj->type = 'expression'; |
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| 393 | $obj->value = $expression; |
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| 394 | return $obj; |
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| 395 | } |
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| 396 | |||
| 397 | /**
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| 398 | * Executes given SQL statement.
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| 399 | *
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| 400 | * @param string $sql SQL statement
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| 401 | * @param array $params Additional options for the query.
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| 402 | * @return mixed Resource or object representing the result set, or false on failure
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| 403 | */
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| 404 | public function rawQuery($sql, $params = array()) { |
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| 405 | $this->took = $this->numRows = false; |
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| 406 | return $this->execute($sql, array(), $params); |
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| 407 | } |
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| 408 | |||
| 409 | /**
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| 410 | * Queries the database with given SQL statement, and obtains some metadata about the result
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| 411 | * (rows affected, timing, any errors, number of rows in resultset). The query is also logged.
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| 412 | * If Configure::read('debug') is set, the log is shown all the time, else it is only shown on errors.
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| 413 | *
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| 414 | * ### Options
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| 415 | *
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| 416 | * - log - Whether or not the query should be logged to the memory log.
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| 417 | *
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| 418 | * @param string $sql SQL statement
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| 419 | * @param array $options The options for executing the query.
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| 420 | * @param array $params values to be bound to the query.
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| 421 | * @return mixed Resource or object representing the result set, or false on failure
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| 422 | */
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| 423 | public function execute($sql, $options = array(), $params = array()) { |
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| 424 | $options += array('log' => $this->fullDebug); |
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| 425 | |||
| 426 | $t = microtime(true); |
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| 427 | $this->_result = $this->_execute($sql, $params); |
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| 428 | |||
| 429 | if ($options['log']) { |
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| 430 | $this->took = round((microtime(true) - $t) * 1000, 0); |
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| 431 | $this->numRows = $this->affected = $this->lastAffected(); |
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| 432 | $this->logQuery($sql, $params); |
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| 433 | } |
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| 434 | |||
| 435 | return $this->_result; |
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| 436 | } |
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| 437 | |||
| 438 | /**
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| 439 | * Executes given SQL statement.
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| 440 | *
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| 441 | * @param string $sql SQL statement
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| 442 | * @param array $params list of params to be bound to query
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| 443 | * @param array $prepareOptions Options to be used in the prepare statement
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| 444 | * @return mixed PDOStatement if query executes with no problem, true as the result of a successful, false on error
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| 445 | * query returning no rows, such as a CREATE statement, false otherwise
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| 446 | * @throws PDOException
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| 447 | */
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| 448 | protected function _execute($sql, $params = array(), $prepareOptions = array()) { |
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| 449 | $sql = trim($sql); |
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| 450 | if (preg_match('/^(?:CREATE|ALTER|DROP)\s+(?:TABLE|INDEX)/i', $sql)) { |
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| 451 | $statements = array_filter(explode(';', $sql)); |
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| 452 | if (count($statements) > 1) { |
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| 453 | $result = array_map(array($this, '_execute'), $statements); |
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| 454 | return array_search(false, $result) === false; |
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| 455 | } |
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| 456 | } |
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| 457 | |||
| 458 | try {
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| 459 | $query = $this->_connection->prepare($sql, $prepareOptions); |
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| 460 | $query->setFetchMode(PDO::FETCH_LAZY); |
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| 461 | if (!$query->execute($params)) { |
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| 462 | $this->_results = $query; |
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| 463 | $query->closeCursor();
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| 464 | return false; |
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| 465 | } |
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| 466 | if (!$query->columnCount()) { |
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| 467 | $query->closeCursor();
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| 468 | if (!$query->rowCount()) { |
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| 469 | return true; |
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| 470 | } |
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| 471 | } |
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| 472 | return $query; |
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| 473 | } catch (PDOException $e) { |
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| 474 | if (isset($query->queryString)) { |
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| 475 | $e->queryString = $query->queryString; |
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| 476 | } else {
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| 477 | $e->queryString = $sql; |
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| 478 | } |
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| 479 | throw $e; |
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| 480 | } |
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| 481 | } |
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| 482 | |||
| 483 | /**
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| 484 | * Returns a formatted error message from previous database operation.
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| 485 | *
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| 486 | * @param PDOStatement $query the query to extract the error from if any
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| 487 | * @return string Error message with error number
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| 488 | */
|
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| 489 | public function lastError(PDOStatement $query = null) { |
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| 490 | if ($query) { |
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| 491 | $error = $query->errorInfo(); |
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| 492 | } else {
|
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| 493 | $error = $this->_connection->errorInfo(); |
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| 494 | } |
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| 495 | if (empty($error[2])) { |
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| 496 | return null; |
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| 497 | } |
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| 498 | return $error[1] . ': ' . $error[2]; |
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| 499 | } |
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| 500 | |||
| 501 | /**
|
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| 502 | * Returns number of affected rows in previous database operation. If no previous operation exists,
|
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| 503 | * this returns false.
|
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| 504 | *
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| 505 | * @param mixed $source The source to check.
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| 506 | * @return int Number of affected rows
|
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| 507 | */
|
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| 508 | public function lastAffected($source = null) { |
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| 509 | if ($this->hasResult()) { |
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| 510 | return $this->_result->rowCount(); |
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| 511 | } |
||
| 512 | return 0; |
||
| 513 | } |
||
| 514 | |||
| 515 | /**
|
||
| 516 | * Returns number of rows in previous resultset. If no previous resultset exists,
|
||
| 517 | * this returns false.
|
||
| 518 | *
|
||
| 519 | * @param mixed $source Not used
|
||
| 520 | * @return int Number of rows in resultset
|
||
| 521 | */
|
||
| 522 | public function lastNumRows($source = null) { |
||
| 523 | return $this->lastAffected(); |
||
| 524 | } |
||
| 525 | |||
| 526 | /**
|
||
| 527 | * DataSource Query abstraction
|
||
| 528 | *
|
||
| 529 | * @return resource Result resource identifier.
|
||
| 530 | */
|
||
| 531 | public function query() { |
||
| 532 | $args = func_get_args(); |
||
| 533 | $fields = null; |
||
| 534 | $order = null; |
||
| 535 | $limit = null; |
||
| 536 | $page = null; |
||
| 537 | $recursive = null; |
||
| 538 | |||
| 539 | if (count($args) === 1) { |
||
| 540 | return $this->fetchAll($args[0]); |
||
| 541 | } elseif (count($args) > 1 && (strpos($args[0], 'findBy') === 0 || strpos($args[0], 'findAllBy') === 0)) { |
||
| 542 | $params = $args[1]; |
||
| 543 | |||
| 544 | if (substr($args[0], 0, 6) === 'findBy') { |
||
| 545 | $all = false; |
||
| 546 | $field = Inflector::underscore(substr($args[0], 6)); |
||
| 547 | } else {
|
||
| 548 | $all = true; |
||
| 549 | $field = Inflector::underscore(substr($args[0], 9)); |
||
| 550 | } |
||
| 551 | |||
| 552 | $or = (strpos($field, '_or_') !== false); |
||
| 553 | if ($or) { |
||
| 554 | $field = explode('_or_', $field); |
||
| 555 | } else {
|
||
| 556 | $field = explode('_and_', $field); |
||
| 557 | } |
||
| 558 | $off = count($field) - 1; |
||
| 559 | |||
| 560 | if (isset($params[1 + $off])) { |
||
| 561 | $fields = $params[1 + $off]; |
||
| 562 | } |
||
| 563 | |||
| 564 | if (isset($params[2 + $off])) { |
||
| 565 | $order = $params[2 + $off]; |
||
| 566 | } |
||
| 567 | |||
| 568 | if (!array_key_exists(0, $params)) { |
||
| 569 | return false; |
||
| 570 | } |
||
| 571 | |||
| 572 | $c = 0; |
||
| 573 | $conditions = array(); |
||
| 574 | |||
| 575 | foreach ($field as $f) { |
||
| 576 | $conditions[$args[2]->alias . '.' . $f] = $params[$c++]; |
||
| 577 | } |
||
| 578 | |||
| 579 | if ($or) { |
||
| 580 | $conditions = array('OR' => $conditions); |
||
| 581 | } |
||
| 582 | |||
| 583 | if ($all) { |
||
| 584 | if (isset($params[3 + $off])) { |
||
| 585 | $limit = $params[3 + $off]; |
||
| 586 | } |
||
| 587 | |||
| 588 | if (isset($params[4 + $off])) { |
||
| 589 | $page = $params[4 + $off]; |
||
| 590 | } |
||
| 591 | |||
| 592 | if (isset($params[5 + $off])) { |
||
| 593 | $recursive = $params[5 + $off]; |
||
| 594 | } |
||
| 595 | return $args[2]->find('all', compact('conditions', 'fields', 'order', 'limit', 'page', 'recursive')); |
||
| 596 | } |
||
| 597 | if (isset($params[3 + $off])) { |
||
| 598 | $recursive = $params[3 + $off]; |
||
| 599 | } |
||
| 600 | return $args[2]->find('first', compact('conditions', 'fields', 'order', 'recursive')); |
||
| 601 | } |
||
| 602 | if (isset($args[1]) && $args[1] === true) { |
||
| 603 | return $this->fetchAll($args[0], true); |
||
| 604 | } elseif (isset($args[1]) && !is_array($args[1])) { |
||
| 605 | return $this->fetchAll($args[0], false); |
||
| 606 | } elseif (isset($args[1]) && is_array($args[1])) { |
||
| 607 | if (isset($args[2])) { |
||
| 608 | $cache = $args[2]; |
||
| 609 | } else {
|
||
| 610 | $cache = true; |
||
| 611 | } |
||
| 612 | return $this->fetchAll($args[0], $args[1], array('cache' => $cache)); |
||
| 613 | } |
||
| 614 | } |
||
| 615 | |||
| 616 | /**
|
||
| 617 | * Returns a row from current resultset as an array
|
||
| 618 | *
|
||
| 619 | * @param string $sql Some SQL to be executed.
|
||
| 620 | * @return array The fetched row as an array
|
||
| 621 | */
|
||
| 622 | public function fetchRow($sql = null) { |
||
| 623 | if (is_string($sql) && strlen($sql) > 5 && !$this->execute($sql)) { |
||
| 624 | return null; |
||
| 625 | } |
||
| 626 | |||
| 627 | if ($this->hasResult()) { |
||
| 628 | $this->resultSet($this->_result); |
||
| 629 | $resultRow = $this->fetchResult(); |
||
| 630 | if (isset($resultRow[0])) { |
||
| 631 | $this->fetchVirtualField($resultRow); |
||
| 632 | } |
||
| 633 | return $resultRow; |
||
| 634 | } |
||
| 635 | return null; |
||
| 636 | } |
||
| 637 | |||
| 638 | /**
|
||
| 639 | * Returns an array of all result rows for a given SQL query.
|
||
| 640 | *
|
||
| 641 | * Returns false if no rows matched.
|
||
| 642 | *
|
||
| 643 | * ### Options
|
||
| 644 | *
|
||
| 645 | * - `cache` - Returns the cached version of the query, if exists and stores the result in cache.
|
||
| 646 | * This is a non-persistent cache, and only lasts for a single request. This option
|
||
| 647 | * defaults to true. If you are directly calling this method, you can disable caching
|
||
| 648 | * by setting $options to `false`
|
||
| 649 | *
|
||
| 650 | * @param string $sql SQL statement
|
||
| 651 | * @param array|bool $params Either parameters to be bound as values for the SQL statement,
|
||
| 652 | * or a boolean to control query caching.
|
||
| 653 | * @param array $options additional options for the query.
|
||
| 654 | * @return bool|array Array of resultset rows, or false if no rows matched
|
||
| 655 | */
|
||
| 656 | public function fetchAll($sql, $params = array(), $options = array()) { |
||
| 657 | if (is_string($options)) { |
||
| 658 | $options = array('modelName' => $options); |
||
| 659 | } |
||
| 660 | if (is_bool($params)) { |
||
| 661 | $options['cache'] = $params; |
||
| 662 | $params = array(); |
||
| 663 | } |
||
| 664 | $options += array('cache' => true); |
||
| 665 | $cache = $options['cache']; |
||
| 666 | if ($cache && ($cached = $this->getQueryCache($sql, $params)) !== false) { |
||
| 667 | return $cached; |
||
| 668 | } |
||
| 669 | $result = $this->execute($sql, array(), $params); |
||
| 670 | if ($result) { |
||
| 671 | $out = array(); |
||
| 672 | |||
| 673 | if ($this->hasResult()) { |
||
| 674 | $first = $this->fetchRow(); |
||
| 675 | if ($first) { |
||
| 676 | $out[] = $first; |
||
| 677 | } |
||
| 678 | while ($item = $this->fetchResult()) { |
||
| 679 | if (isset($item[0])) { |
||
| 680 | $this->fetchVirtualField($item); |
||
| 681 | } |
||
| 682 | $out[] = $item; |
||
| 683 | } |
||
| 684 | } |
||
| 685 | |||
| 686 | if (!is_bool($result) && $cache) { |
||
| 687 | $this->_writeQueryCache($sql, $out, $params); |
||
| 688 | } |
||
| 689 | |||
| 690 | if (empty($out) && is_bool($this->_result)) { |
||
| 691 | return $this->_result; |
||
| 692 | } |
||
| 693 | return $out; |
||
| 694 | } |
||
| 695 | return false; |
||
| 696 | } |
||
| 697 | |||
| 698 | /**
|
||
| 699 | * Fetches the next row from the current result set
|
||
| 700 | *
|
||
| 701 | * @return bool
|
||
| 702 | */
|
||
| 703 | public function fetchResult() { |
||
| 704 | return false; |
||
| 705 | } |
||
| 706 | |||
| 707 | /**
|
||
| 708 | * Modifies $result array to place virtual fields in model entry where they belongs to
|
||
| 709 | *
|
||
| 710 | * @param array &$result Reference to the fetched row
|
||
| 711 | * @return void
|
||
| 712 | */
|
||
| 713 | public function fetchVirtualField(&$result) { |
||
| 714 | if (isset($result[0]) && is_array($result[0])) { |
||
| 715 | foreach ($result[0] as $field => $value) { |
||
| 716 | if (strpos($field, $this->virtualFieldSeparator) === false) { |
||
| 717 | continue;
|
||
| 718 | } |
||
| 719 | |||
| 720 | list($alias, $virtual) = explode($this->virtualFieldSeparator, $field); |
||
| 721 | |||
| 722 | if (!ClassRegistry::isKeySet($alias)) { |
||
| 723 | return;
|
||
| 724 | } |
||
| 725 | |||
| 726 | $Model = ClassRegistry::getObject($alias); |
||
| 727 | |||
| 728 | if ($Model->isVirtualField($virtual)) { |
||
| 729 | $result[$alias][$virtual] = $value; |
||
| 730 | unset($result[0][$field]); |
||
| 731 | } |
||
| 732 | } |
||
| 733 | if (empty($result[0])) { |
||
| 734 | unset($result[0]); |
||
| 735 | } |
||
| 736 | } |
||
| 737 | } |
||
| 738 | |||
| 739 | /**
|
||
| 740 | * Returns a single field of the first of query results for a given SQL query, or false if empty.
|
||
| 741 | *
|
||
| 742 | * @param string $name The name of the field to get.
|
||
| 743 | * @param string $sql The SQL query.
|
||
| 744 | * @return mixed Value of field read, or false if not found.
|
||
| 745 | */
|
||
| 746 | public function field($name, $sql) { |
||
| 747 | $data = $this->fetchRow($sql); |
||
| 748 | if (empty($data[$name])) { |
||
| 749 | return false; |
||
| 750 | } |
||
| 751 | return $data[$name]; |
||
| 752 | } |
||
| 753 | |||
| 754 | /**
|
||
| 755 | * Empties the method caches.
|
||
| 756 | * These caches are used by DboSource::name() and DboSource::conditions()
|
||
| 757 | *
|
||
| 758 | * @return void
|
||
| 759 | */
|
||
| 760 | public function flushMethodCache() { |
||
| 761 | $this->_methodCacheChange = true; |
||
| 762 | static::$methodCache = array(); |
||
| 763 | } |
||
| 764 | |||
| 765 | /**
|
||
| 766 | * Cache a value into the methodCaches. Will respect the value of DboSource::$cacheMethods.
|
||
| 767 | * Will retrieve a value from the cache if $value is null.
|
||
| 768 | *
|
||
| 769 | * If caching is disabled and a write is attempted, the $value will be returned.
|
||
| 770 | * A read will either return the value or null.
|
||
| 771 | *
|
||
| 772 | * @param string $method Name of the method being cached.
|
||
| 773 | * @param string $key The key name for the cache operation.
|
||
| 774 | * @param mixed $value The value to cache into memory.
|
||
| 775 | * @return mixed Either null on failure, or the value if its set.
|
||
| 776 | */
|
||
| 777 | public function cacheMethod($method, $key, $value = null) { |
||
| 778 | if ($this->cacheMethods === false) { |
||
| 779 | return $value; |
||
| 780 | } |
||
| 781 | if (!$this->_methodCacheChange && empty(static::$methodCache)) { |
||
| 782 | static::$methodCache = (array)Cache::read('method_cache', '_cake_core_'); |
||
| 783 | } |
||
| 784 | if ($value === null) { |
||
| 785 | return (isset(static::$methodCache[$method][$key])) ? static::$methodCache[$method][$key] : null; |
||
| 786 | } |
||
| 787 | $this->_methodCacheChange = true; |
||
| 788 | return static::$methodCache[$method][$key] = $value; |
||
| 789 | } |
||
| 790 | |||
| 791 | /**
|
||
| 792 | * Returns a quoted name of $data for use in an SQL statement.
|
||
| 793 | * Strips fields out of SQL functions before quoting.
|
||
| 794 | *
|
||
| 795 | * Results of this method are stored in a memory cache. This improves performance, but
|
||
| 796 | * because the method uses a hashing algorithm it can have collisions.
|
||
| 797 | * Setting DboSource::$cacheMethods to false will disable the memory cache.
|
||
| 798 | *
|
||
| 799 | * @param mixed $data Either a string with a column to quote. An array of columns to quote or an
|
||
| 800 | * object from DboSource::expression() or DboSource::identifier()
|
||
| 801 | * @return string SQL field
|
||
| 802 | */
|
||
| 803 | public function name($data) { |
||
| 804 | if (is_object($data) && isset($data->type)) { |
||
| 805 | return $data->value; |
||
| 806 | } |
||
| 807 | if ($data === '*') { |
||
| 808 | return '*'; |
||
| 809 | } |
||
| 810 | if (is_array($data)) { |
||
| 811 | foreach ($data as $i => $dataItem) { |
||
| 812 | $data[$i] = $this->name($dataItem); |
||
| 813 | } |
||
| 814 | return $data; |
||
| 815 | } |
||
| 816 | $cacheKey = md5($this->startQuote . $data . $this->endQuote); |
||
| 817 | if ($return = $this->cacheMethod(__FUNCTION__, $cacheKey)) { |
||
| 818 | return $return; |
||
| 819 | } |
||
| 820 | $data = trim($data); |
||
| 821 | if (preg_match('/^[\w-]+(?:\.[^ \*]*)*$/', $data)) { // string, string.string |
||
| 822 | if (strpos($data, '.') === false) { // string |
||
| 823 | return $this->cacheMethod(__FUNCTION__, $cacheKey, $this->startQuote . $data . $this->endQuote); |
||
| 824 | } |
||
| 825 | $items = explode('.', $data); |
||
| 826 | return $this->cacheMethod(__FUNCTION__, $cacheKey, |
||
| 827 | $this->startQuote . implode($this->endQuote . '.' . $this->startQuote, $items) . $this->endQuote |
||
| 828 | ); |
||
| 829 | } |
||
| 830 | if (preg_match('/^[\w-]+\.\*$/', $data)) { // string.* |
||
| 831 | return $this->cacheMethod(__FUNCTION__, $cacheKey, |
||
| 832 | $this->startQuote . str_replace('.*', $this->endQuote . '.*', $data) |
||
| 833 | ); |
||
| 834 | } |
||
| 835 | if (preg_match('/^([\w-]+)\((.*)\)$/', $data, $matches)) { // Functions |
||
| 836 | return $this->cacheMethod(__FUNCTION__, $cacheKey, |
||
| 837 | $matches[1] . '(' . $this->name($matches[2]) . ')' |
||
| 838 | ); |
||
| 839 | } |
||
| 840 | if (preg_match('/^([\w-]+(\.[\w-]+|\(.*\))*)\s+' . preg_quote($this->alias) . '\s*([\w-]+)$/i', $data, $matches)) { |
||
| 841 | return $this->cacheMethod( |
||
| 842 | __FUNCTION__, $cacheKey, |
||
| 843 | preg_replace(
|
||
| 844 | '/\s{2,}/', ' ', $this->name($matches[1]) . ' ' . $this->alias . ' ' . $this->name($matches[3]) |
||
| 845 | ) |
||
| 846 | ); |
||
| 847 | } |
||
| 848 | if (preg_match('/^[\w-_\s]*[\w-_]+/', $data)) { |
||
| 849 | return $this->cacheMethod(__FUNCTION__, $cacheKey, $this->startQuote . $data . $this->endQuote); |
||
| 850 | } |
||
| 851 | return $this->cacheMethod(__FUNCTION__, $cacheKey, $data); |
||
| 852 | } |
||
| 853 | |||
| 854 | /**
|
||
| 855 | * Checks if the source is connected to the database.
|
||
| 856 | *
|
||
| 857 | * @return bool True if the database is connected, else false
|
||
| 858 | */
|
||
| 859 | public function isConnected() { |
||
| 860 | if ($this->_connection === null) { |
||
| 861 | $connected = false; |
||
| 862 | } else {
|
||
| 863 | try {
|
||
| 864 | $connected = $this->_connection->query('SELECT 1'); |
||
| 865 | } catch (Exception $e) { |
||
| 866 | $connected = false; |
||
| 867 | } |
||
| 868 | } |
||
| 869 | $this->connected = !empty($connected); |
||
| 870 | return $this->connected; |
||
| 871 | } |
||
| 872 | |||
| 873 | /**
|
||
| 874 | * Checks if the result is valid
|
||
| 875 | *
|
||
| 876 | * @return bool True if the result is valid else false
|
||
| 877 | */
|
||
| 878 | public function hasResult() { |
||
| 879 | return $this->_result instanceof PDOStatement; |
||
| 880 | } |
||
| 881 | |||
| 882 | /**
|
||
| 883 | * Get the query log as an array.
|
||
| 884 | *
|
||
| 885 | * @param bool $sorted Get the queries sorted by time taken, defaults to false.
|
||
| 886 | * @param bool $clear If True the existing log will cleared.
|
||
| 887 | * @return array Array of queries run as an array
|
||
| 888 | */
|
||
| 889 | public function getLog($sorted = false, $clear = true) { |
||
| 890 | if ($sorted) { |
||
| 891 | $log = sortByKey($this->_queriesLog, 'took', 'desc', SORT_NUMERIC); |
||
| 892 | } else {
|
||
| 893 | $log = $this->_queriesLog; |
||
| 894 | } |
||
| 895 | if ($clear) { |
||
| 896 | $this->_queriesLog = array(); |
||
| 897 | } |
||
| 898 | return array('log' => $log, 'count' => $this->_queriesCnt, 'time' => $this->_queriesTime); |
||
| 899 | } |
||
| 900 | |||
| 901 | /**
|
||
| 902 | * Outputs the contents of the queries log. If in a non-CLI environment the sql_log element
|
||
| 903 | * will be rendered and output. If in a CLI environment, a plain text log is generated.
|
||
| 904 | *
|
||
| 905 | * @param bool $sorted Get the queries sorted by time taken, defaults to false.
|
||
| 906 | * @return void
|
||
| 907 | */
|
||
| 908 | public function showLog($sorted = false) { |
||
| 909 | $log = $this->getLog($sorted, false); |
||
| 910 | if (empty($log['log'])) { |
||
| 911 | return;
|
||
| 912 | } |
||
| 913 | if (PHP_SAPI !== 'cli') { |
||
| 914 | $controller = null; |
||
| 915 | $View = new View($controller, false); |
||
| 916 | $View->set('sqlLogs', array($this->configKeyName => $log)); |
||
| 917 | echo $View->element('sql_dump', array('_forced_from_dbo_' => true)); |
||
| 918 | } else {
|
||
| 919 | foreach ($log['log'] as $k => $i) { |
||
| 920 | print (($k + 1) . ". {$i['query']}\n"); |
||
| 921 | } |
||
| 922 | } |
||
| 923 | } |
||
| 924 | |||
| 925 | /**
|
||
| 926 | * Log given SQL query.
|
||
| 927 | *
|
||
| 928 | * @param string $sql SQL statement
|
||
| 929 | * @param array $params Values binded to the query (prepared statements)
|
||
| 930 | * @return void
|
||
| 931 | */
|
||
| 932 | public function logQuery($sql, $params = array()) { |
||
| 933 | $this->_queriesCnt++;
|
||
| 934 | $this->_queriesTime += $this->took; |
||
| 935 | $this->_queriesLog[] = array( |
||
| 936 | 'query' => $sql, |
||
| 937 | 'params' => $params, |
||
| 938 | 'affected' => $this->affected, |
||
| 939 | 'numRows' => $this->numRows, |
||
| 940 | 'took' => $this->took |
||
| 941 | ); |
||
| 942 | if (count($this->_queriesLog) > $this->_queriesLogMax) { |
||
| 943 | array_shift($this->_queriesLog); |
||
| 944 | } |
||
| 945 | } |
||
| 946 | |||
| 947 | /**
|
||
| 948 | * Gets full table name including prefix
|
||
| 949 | *
|
||
| 950 | * @param Model|string $model Either a Model object or a string table name.
|
||
| 951 | * @param bool $quote Whether you want the table name quoted.
|
||
| 952 | * @param bool $schema Whether you want the schema name included.
|
||
| 953 | * @return string Full quoted table name
|
||
| 954 | */
|
||
| 955 | public function fullTableName($model, $quote = true, $schema = true) { |
||
| 956 | if (is_object($model)) { |
||
| 957 | $schemaName = $model->schemaName; |
||
| 958 | $table = $model->tablePrefix . $model->table; |
||
| 959 | } elseif (!empty($this->config['prefix']) && strpos($model, $this->config['prefix']) !== 0) { |
||
| 960 | $table = $this->config['prefix'] . strval($model); |
||
| 961 | } else {
|
||
| 962 | $table = strval($model); |
||
| 963 | } |
||
| 964 | |||
| 965 | if ($schema && !isset($schemaName)) { |
||
| 966 | $schemaName = $this->getSchemaName(); |
||
| 967 | } |
||
| 968 | |||
| 969 | if ($quote) { |
||
| 970 | if ($schema && !empty($schemaName)) { |
||
| 971 | if (strstr($table, '.') === false) { |
||
| 972 | return $this->name($schemaName) . '.' . $this->name($table); |
||
| 973 | } |
||
| 974 | } |
||
| 975 | return $this->name($table); |
||
| 976 | } |
||
| 977 | |||
| 978 | if ($schema && !empty($schemaName)) { |
||
| 979 | if (strstr($table, '.') === false) { |
||
| 980 | return $schemaName . '.' . $table; |
||
| 981 | } |
||
| 982 | } |
||
| 983 | |||
| 984 | return $table; |
||
| 985 | } |
||
| 986 | |||
| 987 | /**
|
||
| 988 | * The "C" in CRUD
|
||
| 989 | *
|
||
| 990 | * Creates new records in the database.
|
||
| 991 | *
|
||
| 992 | * @param Model $Model Model object that the record is for.
|
||
| 993 | * @param array $fields An array of field names to insert. If null, $Model->data will be
|
||
| 994 | * used to generate field names.
|
||
| 995 | * @param array $values An array of values with keys matching the fields. If null, $Model->data will
|
||
| 996 | * be used to generate values.
|
||
| 997 | * @return bool Success
|
||
| 998 | */
|
||
| 999 | public function create(Model $Model, $fields = null, $values = null) { |
||
| 1000 | $id = null; |
||
| 1001 | |||
| 1002 | if (!$fields) { |
||
| 1003 | unset($fields, $values); |
||
| 1004 | $fields = array_keys($Model->data); |
||
| 1005 | $values = array_values($Model->data); |
||
| 1006 | } |
||
| 1007 | $count = count($fields); |
||
| 1008 | |||
| 1009 | for ($i = 0; $i < $count; $i++) { |
||
| 1010 | $schema = $Model->schema(); |
||
| 1011 | $valueInsert[] = $this->value($values[$i], $Model->getColumnType($fields[$i]), isset($schema[$fields[$i]]) ? $schema[$fields[$i]]['null'] : true); |
||
| 1012 | $fieldInsert[] = $this->name($fields[$i]); |
||
| 1013 | if ($fields[$i] === $Model->primaryKey) { |
||
| 1014 | $id = $values[$i]; |
||
| 1015 | } |
||
| 1016 | } |
||
| 1017 | |||
| 1018 | $query = array( |
||
| 1019 | 'table' => $this->fullTableName($Model), |
||
| 1020 | 'fields' => implode(', ', $fieldInsert), |
||
| 1021 | 'values' => implode(', ', $valueInsert) |
||
| 1022 | ); |
||
| 1023 | |||
| 1024 | if ($this->execute($this->renderStatement('create', $query))) { |
||
| 1025 | if (empty($id)) { |
||
| 1026 | $id = $this->lastInsertId($this->fullTableName($Model, false, false), $Model->primaryKey); |
||
| 1027 | } |
||
| 1028 | $Model->setInsertID($id); |
||
| 1029 | $Model->id = $id; |
||
| 1030 | return true; |
||
| 1031 | } |
||
| 1032 | |||
| 1033 | $Model->onError();
|
||
| 1034 | return false; |
||
| 1035 | } |
||
| 1036 | |||
| 1037 | /**
|
||
| 1038 | * The "R" in CRUD
|
||
| 1039 | *
|
||
| 1040 | * Reads record(s) from the database.
|
||
| 1041 | *
|
||
| 1042 | * @param Model $Model A Model object that the query is for.
|
||
| 1043 | * @param array $queryData An array of queryData information containing keys similar to Model::find().
|
||
| 1044 | * @param int $recursive Number of levels of association
|
||
| 1045 | * @return mixed boolean false on error/failure. An array of results on success.
|
||
| 1046 | */
|
||
| 1047 | public function read(Model $Model, $queryData = array(), $recursive = null) { |
||
| 1048 | $queryData = $this->_scrubQueryData($queryData); |
||
| 1049 | |||
| 1050 | $array = array('callbacks' => $queryData['callbacks']); |
||
| 1051 | |||
| 1052 | if ($recursive === null && isset($queryData['recursive'])) { |
||
| 1053 | $recursive = $queryData['recursive']; |
||
| 1054 | } |
||
| 1055 | |||
| 1056 | if ($recursive !== null) { |
||
| 1057 | $modelRecursive = $Model->recursive; |
||
| 1058 | $Model->recursive = $recursive; |
||
| 1059 | } |
||
| 1060 | |||
| 1061 | if (!empty($queryData['fields'])) { |
||
| 1062 | $noAssocFields = true; |
||
| 1063 | $queryData['fields'] = $this->fields($Model, null, $queryData['fields']); |
||
| 1064 | } else {
|
||
| 1065 | $noAssocFields = false; |
||
| 1066 | $queryData['fields'] = $this->fields($Model); |
||
| 1067 | } |
||
| 1068 | |||
| 1069 | if ($Model->recursive === -1) { |
||
| 1070 | // Primary model data only, no joins.
|
||
| 1071 | $associations = array(); |
||
| 1072 | |||
| 1073 | } else {
|
||
| 1074 | $associations = $Model->associations(); |
||
| 1075 | |||
| 1076 | if ($Model->recursive === 0) { |
||
| 1077 | // Primary model data and its domain.
|
||
| 1078 | unset($associations[2], $associations[3]); |
||
| 1079 | } |
||
| 1080 | } |
||
| 1081 | |||
| 1082 | $originalJoins = $queryData['joins']; |
||
| 1083 | $queryData['joins'] = array(); |
||
| 1084 | |||
| 1085 | // Generate hasOne and belongsTo associations inside $queryData
|
||
| 1086 | $linkedModels = array(); |
||
| 1087 | foreach ($associations as $type) { |
||
| 1088 | if ($type !== 'hasOne' && $type !== 'belongsTo') { |
||
| 1089 | continue;
|
||
| 1090 | } |
||
| 1091 | |||
| 1092 | foreach ($Model->{$type} as $assoc => $assocData) { |
||
| 1093 | $LinkModel = $Model->{$assoc}; |
||
| 1094 | |||
| 1095 | if ($Model->useDbConfig !== $LinkModel->useDbConfig) { |
||
| 1096 | continue;
|
||
| 1097 | } |
||
| 1098 | |||
| 1099 | if ($noAssocFields) { |
||
| 1100 | $assocData['fields'] = false; |
||
| 1101 | } |
||
| 1102 | |||
| 1103 | $external = isset($assocData['external']); |
||
| 1104 | |||
| 1105 | if ($this->generateAssociationQuery($Model, $LinkModel, $type, $assoc, $assocData, $queryData, $external) === true) { |
||
| 1106 | $linkedModels[$type . '/' . $assoc] = true; |
||
| 1107 | } |
||
| 1108 | } |
||
| 1109 | } |
||
| 1110 | |||
| 1111 | if (!empty($originalJoins)) { |
||
| 1112 | $queryData['joins'] = array_merge($queryData['joins'], $originalJoins); |
||
| 1113 | } |
||
| 1114 | |||
| 1115 | // Build SQL statement with the primary model, plus hasOne and belongsTo associations
|
||
| 1116 | $query = $this->buildAssociationQuery($Model, $queryData); |
||
| 1117 | |||
| 1118 | $resultSet = $this->fetchAll($query, $Model->cacheQueries); |
||
| 1119 | unset($query); |
||
| 1120 | |||
| 1121 | if ($resultSet === false) { |
||
| 1122 | $Model->onError();
|
||
| 1123 | return false; |
||
| 1124 | } |
||
| 1125 | |||
| 1126 | $filtered = array(); |
||
| 1127 | |||
| 1128 | // Deep associations
|
||
| 1129 | if ($Model->recursive > -1) { |
||
| 1130 | $joined = array(); |
||
| 1131 | if (isset($queryData['joins'][0]['alias'])) { |
||
| 1132 | $joined[$Model->alias] = (array)Hash::extract($queryData['joins'], '{n}.alias'); |
||
| 1133 | } |
||
| 1134 | |||
| 1135 | foreach ($associations as $type) { |
||
| 1136 | foreach ($Model->{$type} as $assoc => $assocData) { |
||
| 1137 | $LinkModel = $Model->{$assoc}; |
||
| 1138 | |||
| 1139 | if (!isset($linkedModels[$type . '/' . $assoc])) { |
||
| 1140 | $db = $Model->useDbConfig === $LinkModel->useDbConfig ? $this : $LinkModel->getDataSource(); |
||
| 1141 | } elseif ($Model->recursive > 1) { |
||
| 1142 | $db = $this; |
||
| 1143 | } |
||
| 1144 | |||
| 1145 | if (isset($db) && method_exists($db, 'queryAssociation')) { |
||
| 1146 | $stack = array($assoc); |
||
| 1147 | $stack['_joined'] = $joined; |
||
| 1148 | |||
| 1149 | $db->queryAssociation($Model, $LinkModel, $type, $assoc, $assocData, $array, true, $resultSet, $Model->recursive - 1, $stack); |
||
| 1150 | unset($db); |
||
| 1151 | |||
| 1152 | if ($type === 'hasMany' || $type === 'hasAndBelongsToMany') { |
||
| 1153 | $filtered[] = $assoc; |
||
| 1154 | } |
||
| 1155 | } |
||
| 1156 | } |
||
| 1157 | } |
||
| 1158 | } |
||
| 1159 | |||
| 1160 | if ($queryData['callbacks'] === true || $queryData['callbacks'] === 'after') { |
||
| 1161 | $this->_filterResults($resultSet, $Model, $filtered); |
||
| 1162 | } |
||
| 1163 | |||
| 1164 | if ($recursive !== null) { |
||
| 1165 | $Model->recursive = $modelRecursive; |
||
| 1166 | } |
||
| 1167 | |||
| 1168 | return $resultSet; |
||
| 1169 | } |
||
| 1170 | |||
| 1171 | /**
|
||
| 1172 | * Passes association results through afterFind filters of the corresponding model.
|
||
| 1173 | *
|
||
| 1174 | * The primary model is always excluded, because the filtering is later done by Model::_filterResults().
|
||
| 1175 | *
|
||
| 1176 | * @param array &$resultSet Reference of resultset to be filtered.
|
||
| 1177 | * @param Model $Model Instance of model to operate against.
|
||
| 1178 | * @param array $filtered List of classes already filtered, to be skipped.
|
||
| 1179 | * @return array Array of results that have been filtered through $Model->afterFind.
|
||
| 1180 | */
|
||
| 1181 | protected function _filterResults(&$resultSet, Model $Model, $filtered = array()) { |
||
| 1182 | if (!is_array($resultSet)) { |
||
| 1183 | return array(); |
||
| 1184 | } |
||
| 1185 | |||
| 1186 | $current = reset($resultSet); |
||
| 1187 | if (!is_array($current)) { |
||
| 1188 | return array(); |
||
| 1189 | } |
||
| 1190 | |||
| 1191 | $keys = array_diff(array_keys($current), $filtered, array($Model->alias)); |
||
| 1192 | $filtering = array(); |
||
| 1193 | |||
| 1194 | foreach ($keys as $className) { |
||
| 1195 | if (!isset($Model->{$className}) || !is_object($Model->{$className})) { |
||
| 1196 | continue;
|
||
| 1197 | } |
||
| 1198 | |||
| 1199 | $LinkedModel = $Model->{$className}; |
||
| 1200 | $filtering[] = $className; |
||
| 1201 | |||
| 1202 | foreach ($resultSet as $key => &$result) { |
||
| 1203 | $data = $LinkedModel->afterFind(array(array($className => $result[$className])), false); |
||
| 1204 | if (isset($data[0][$className])) { |
||
| 1205 | $result[$className] = $data[0][$className]; |
||
| 1206 | } else {
|
||
| 1207 | unset($resultSet[$key]); |
||
| 1208 | } |
||
| 1209 | } |
||
| 1210 | } |
||
| 1211 | |||
| 1212 | return $filtering; |
||
| 1213 | } |
||
| 1214 | |||
| 1215 | /**
|
||
| 1216 | * Passes association results through afterFind filters of the corresponding model.
|
||
| 1217 | *
|
||
| 1218 | * Similar to DboSource::_filterResults(), but this filters only specified models.
|
||
| 1219 | * The primary model can not be specified, because this call DboSource::_filterResults() internally.
|
||
| 1220 | *
|
||
| 1221 | * @param array &$resultSet Reference of resultset to be filtered.
|
||
| 1222 | * @param Model $Model Instance of model to operate against.
|
||
| 1223 | * @param array $toBeFiltered List of classes to be filtered.
|
||
| 1224 | * @return array Array of results that have been filtered through $Model->afterFind.
|
||
| 1225 | */
|
||
| 1226 | protected function _filterResultsInclusive(&$resultSet, Model $Model, $toBeFiltered = array()) { |
||
| 1227 | $exclude = array(); |
||
| 1228 | |||
| 1229 | if (is_array($resultSet)) { |
||
| 1230 | $current = reset($resultSet); |
||
| 1231 | if (is_array($current)) { |
||
| 1232 | $exclude = array_diff(array_keys($current), $toBeFiltered); |
||
| 1233 | } |
||
| 1234 | } |
||
| 1235 | |||
| 1236 | return $this->_filterResults($resultSet, $Model, $exclude); |
||
| 1237 | } |
||
| 1238 | |||
| 1239 | /**
|
||
| 1240 | * Queries associations.
|
||
| 1241 | *
|
||
| 1242 | * Used to fetch results on recursive models.
|
||
| 1243 | *
|
||
| 1244 | * - 'hasMany' associations with no limit set:
|
||
| 1245 | * Fetch, filter and merge is done recursively for every level.
|
||
| 1246 | *
|
||
| 1247 | * - 'hasAndBelongsToMany' associations:
|
||
| 1248 | * Fetch and filter is done unaffected by the (recursive) level set.
|
||
| 1249 | *
|
||
| 1250 | * @param Model $Model Primary Model object.
|
||
| 1251 | * @param Model $LinkModel Linked model object.
|
||
| 1252 | * @param string $type Association type, one of the model association types ie. hasMany.
|
||
| 1253 | * @param string $association Association name.
|
||
| 1254 | * @param array $assocData Association data.
|
||
| 1255 | * @param array &$queryData An array of queryData information containing keys similar to Model::find().
|
||
| 1256 | * @param bool $external Whether or not the association query is on an external datasource.
|
||
| 1257 | * @param array &$resultSet Existing results.
|
||
| 1258 | * @param int $recursive Number of levels of association.
|
||
| 1259 | * @param array $stack A list with joined models.
|
||
| 1260 | * @return mixed
|
||
| 1261 | * @throws CakeException when results cannot be created.
|
||
| 1262 | */
|
||
| 1263 | public function queryAssociation(Model $Model, Model $LinkModel, $type, $association, $assocData, &$queryData, $external, &$resultSet, $recursive, $stack) { |
||
| 1264 | if (isset($stack['_joined'])) { |
||
| 1265 | $joined = $stack['_joined']; |
||
| 1266 | unset($stack['_joined']); |
||
| 1267 | } |
||
| 1268 | |||
| 1269 | $queryTemplate = $this->generateAssociationQuery($Model, $LinkModel, $type, $association, $assocData, $queryData, $external); |
||
| 1270 | if (empty($queryTemplate)) { |
||
| 1271 | return null; |
||
| 1272 | } |
||
| 1273 | |||
| 1274 | if (!is_array($resultSet)) { |
||
| 1275 | throw new CakeException(__d('cake_dev', 'Error in Model %s', get_class($Model))); |
||
| 1276 | } |
||
| 1277 | |||
| 1278 | if ($type === 'hasMany' && empty($assocData['limit']) && !empty($assocData['foreignKey'])) { |
||
| 1279 | // 'hasMany' associations with no limit set.
|
||
| 1280 | |||
| 1281 | $assocIds = array(); |
||
| 1282 | foreach ($resultSet as $result) { |
||
| 1283 | $assocIds[] = $this->insertQueryData('{$__cakeID__$}', $result, $association, $Model, $stack); |
||
| 1284 | } |
||
| 1285 | $assocIds = array_filter($assocIds); |
||
| 1286 | |||
| 1287 | // Fetch
|
||
| 1288 | $assocResultSet = array(); |
||
| 1289 | if (!empty($assocIds)) { |
||
| 1290 | $assocResultSet = $this->_fetchHasMany($Model, $queryTemplate, $assocIds); |
||
| 1291 | } |
||
| 1292 | |||
| 1293 | // Recursively query associations
|
||
| 1294 | if ($recursive > 0 && !empty($assocResultSet) && is_array($assocResultSet)) { |
||
| 1295 | foreach ($LinkModel->associations() as $type1) { |
||
| 1296 | foreach ($LinkModel->{$type1} as $assoc1 => $assocData1) { |
||
| 1297 | $DeepModel = $LinkModel->{$assoc1}; |
||
| 1298 | $tmpStack = $stack; |
||
| 1299 | $tmpStack[] = $assoc1; |
||
| 1300 | |||
| 1301 | $db = $LinkModel->useDbConfig === $DeepModel->useDbConfig ? $this : $DeepModel->getDataSource(); |
||
| 1302 | |||
| 1303 | $db->queryAssociation($LinkModel, $DeepModel, $type1, $assoc1, $assocData1, $queryData, true, $assocResultSet, $recursive - 1, $tmpStack); |
||
| 1304 | } |
||
| 1305 | } |
||
| 1306 | } |
||
| 1307 | |||
| 1308 | // Filter
|
||
| 1309 | if ($queryData['callbacks'] === true || $queryData['callbacks'] === 'after') { |
||
| 1310 | $this->_filterResultsInclusive($assocResultSet, $Model, array($association)); |
||
| 1311 | } |
||
| 1312 | |||
| 1313 | // Merge
|
||
| 1314 | return $this->_mergeHasMany($resultSet, $assocResultSet, $association, $Model); |
||
| 1315 | |||
| 1316 | } elseif ($type === 'hasAndBelongsToMany') { |
||
| 1317 | // 'hasAndBelongsToMany' associations.
|
||
| 1318 | |||
| 1319 | $assocIds = array(); |
||
| 1320 | foreach ($resultSet as $result) { |
||
| 1321 | $assocIds[] = $this->insertQueryData('{$__cakeID__$}', $result, $association, $Model, $stack); |
||
| 1322 | } |
||
| 1323 | $assocIds = array_filter($assocIds); |
||
| 1324 | |||
| 1325 | // Fetch
|
||
| 1326 | $assocResultSet = array(); |
||
| 1327 | if (!empty($assocIds)) { |
||
| 1328 | $assocResultSet = $this->_fetchHasAndBelongsToMany($Model, $queryTemplate, $assocIds, $association); |
||
| 1329 | } |
||
| 1330 | |||
| 1331 | $habtmAssocData = $Model->hasAndBelongsToMany[$association]; |
||
| 1332 | $foreignKey = $habtmAssocData['foreignKey']; |
||
| 1333 | $joinKeys = array($foreignKey, $habtmAssocData['associationForeignKey']); |
||
| 1334 | list($with, $habtmFields) = $Model->joinModel($habtmAssocData['with'], $joinKeys); |
||
| 1335 | $habtmFieldsCount = count($habtmFields); |
||
| 1336 | |||
| 1337 | // Filter
|
||
| 1338 | if ($queryData['callbacks'] === true || $queryData['callbacks'] === 'after') { |
||
| 1339 | $this->_filterResultsInclusive($assocResultSet, $Model, array($association, $with)); |
||
| 1340 | } |
||
| 1341 | } |
||
| 1342 | |||
| 1343 | $modelAlias = $Model->alias; |
||
| 1344 | $primaryKey = $Model->primaryKey; |
||
| 1345 | $selfJoin = ($Model->name === $LinkModel->name); |
||
| 1346 | |||
| 1347 | foreach ($resultSet as &$row) { |
||
| 1348 | if ($type === 'hasOne' || $type === 'belongsTo' || $type === 'hasMany') { |
||
| 1349 | $assocResultSet = array(); |
||
| 1350 | $prefetched = false; |
||
| 1351 | |||
| 1352 | if (($type === 'hasOne' || $type === 'belongsTo') && |
||
| 1353 | isset($row[$LinkModel->alias], $joined[$Model->alias]) && |
||
| 1354 | in_array($LinkModel->alias, $joined[$Model->alias]) |
||
| 1355 | ) {
|
||
| 1356 | $joinedData = Hash::filter($row[$LinkModel->alias]); |
||
| 1357 | if (!empty($joinedData)) { |
||
| 1358 | $assocResultSet[0] = array($LinkModel->alias => $row[$LinkModel->alias]); |
||
| 1359 | } |
||
| 1360 | $prefetched = true; |
||
| 1361 | } else {
|
||
| 1362 | $query = $this->insertQueryData($queryTemplate, $row, $association, $Model, $stack); |
||
| 1363 | if ($query !== false) { |
||
| 1364 | $assocResultSet = $this->fetchAll($query, $Model->cacheQueries); |
||
| 1365 | } |
||
| 1366 | } |
||
| 1367 | } |
||
| 1368 | |||
| 1369 | if (!empty($assocResultSet) && is_array($assocResultSet)) { |
||
| 1370 | if ($recursive > 0) { |
||
| 1371 | foreach ($LinkModel->associations() as $type1) { |
||
| 1372 | foreach ($LinkModel->{$type1} as $assoc1 => $assocData1) { |
||
| 1373 | $DeepModel = $LinkModel->{$assoc1}; |
||
| 1374 | |||
| 1375 | if ($type1 === 'belongsTo' || |
||
| 1376 | ($type === 'belongsTo' && $DeepModel->alias === $modelAlias) || |
||
| 1377 | ($DeepModel->alias !== $modelAlias) |
||
| 1378 | ) {
|
||
| 1379 | $tmpStack = $stack; |
||
| 1380 | $tmpStack[] = $assoc1; |
||
| 1381 | |||
| 1382 | $db = $LinkModel->useDbConfig === $DeepModel->useDbConfig ? $this : $DeepModel->getDataSource(); |
||
| 1383 | |||
| 1384 | $db->queryAssociation($LinkModel, $DeepModel, $type1, $assoc1, $assocData1, $queryData, true, $assocResultSet, $recursive - 1, $tmpStack); |
||
| 1385 | } |
||
| 1386 | } |
||
| 1387 | } |
||
| 1388 | } |
||
| 1389 | |||
| 1390 | if ($type === 'hasAndBelongsToMany') { |
||
| 1391 | $merge = array(); |
||
| 1392 | foreach ($assocResultSet as $data) { |
||
| 1393 | if (isset($data[$with]) && $data[$with][$foreignKey] === $row[$modelAlias][$primaryKey]) { |
||
| 1394 | if ($habtmFieldsCount <= 2) { |
||
| 1395 | unset($data[$with]); |
||
| 1396 | } |
||
| 1397 | $merge[] = $data; |
||
| 1398 | } |
||
| 1399 | } |
||
| 1400 | |||
| 1401 | if (empty($merge) && !isset($row[$association])) { |
||
| 1402 | $row[$association] = $merge; |
||
| 1403 | } else {
|
||
| 1404 | $this->_mergeAssociation($row, $merge, $association, $type); |
||
| 1405 | } |
||
| 1406 | } else {
|
||
| 1407 | if (!$prefetched && $LinkModel->useConsistentAfterFind) { |
||
| 1408 | if ($queryData['callbacks'] === true || $queryData['callbacks'] === 'after') { |
||
| 1409 | $this->_filterResultsInclusive($assocResultSet, $Model, array($association)); |
||
| 1410 | } |
||
| 1411 | } |
||
| 1412 | $this->_mergeAssociation($row, $assocResultSet, $association, $type, $selfJoin); |
||
| 1413 | } |
||
| 1414 | |||
| 1415 | if ($type !== 'hasAndBelongsToMany' && isset($row[$association]) && !$prefetched && !$LinkModel->useConsistentAfterFind) { |
||
| 1416 | $row[$association] = $LinkModel->afterFind($row[$association], false); |
||
| 1417 | } |
||
| 1418 | |||
| 1419 | } else {
|
||
| 1420 | $tempArray[0][$association] = false; |
||
| 1421 | $this->_mergeAssociation($row, $tempArray, $association, $type, $selfJoin); |
||
| 1422 | } |
||
| 1423 | } |
||
| 1424 | } |
||
| 1425 | |||
| 1426 | /**
|
||
| 1427 | * Fetch 'hasMany' associations.
|
||
| 1428 | *
|
||
| 1429 | * This is just a proxy to maintain BC.
|
||
| 1430 | *
|
||
| 1431 | * @param Model $Model Primary model object.
|
||
| 1432 | * @param string $query Association query template.
|
||
| 1433 | * @param array $ids Array of IDs of associated records.
|
||
| 1434 | * @return array Association results.
|
||
| 1435 | * @see DboSource::_fetchHasMany()
|
||
| 1436 | */
|
||
| 1437 | public function fetchAssociated(Model $Model, $query, $ids) { |
||
| 1438 | return $this->_fetchHasMany($Model, $query, $ids); |
||
| 1439 | } |
||
| 1440 | |||
| 1441 | /**
|
||
| 1442 | * Fetch 'hasMany' associations.
|
||
| 1443 | *
|
||
| 1444 | * @param Model $Model Primary model object.
|
||
| 1445 | * @param string $query Association query template.
|
||
| 1446 | * @param array $ids Array of IDs of associated records.
|
||
| 1447 | * @return array Association results.
|
||
| 1448 | */
|
||
| 1449 | protected function _fetchHasMany(Model $Model, $query, $ids) { |
||
| 1450 | $ids = array_unique($ids); |
||
| 1451 | |||
| 1452 | if (count($ids) > 1) { |
||
| 1453 | $query = str_replace('= ({$__cakeID__$}', 'IN ({$__cakeID__$}', $query); |
||
| 1454 | } |
||
| 1455 | $query = str_replace('{$__cakeID__$}', implode(', ', $ids), $query); |
||
| 1456 | return $this->fetchAll($query, $Model->cacheQueries); |
||
| 1457 | } |
||
| 1458 | |||
| 1459 | /**
|
||
| 1460 | * Fetch 'hasAndBelongsToMany' associations.
|
||
| 1461 | *
|
||
| 1462 | * @param Model $Model Primary model object.
|
||
| 1463 | * @param string $query Association query.
|
||
| 1464 | * @param array $ids Array of IDs of associated records.
|
||
| 1465 | * @param string $association Association name.
|
||
| 1466 | * @return array Association results.
|
||
| 1467 | */
|
||
| 1468 | protected function _fetchHasAndBelongsToMany(Model $Model, $query, $ids, $association) { |
||
| 1469 | $ids = array_unique($ids); |
||
| 1470 | |||
| 1471 | if (count($ids) > 1) { |
||
| 1472 | $query = str_replace('{$__cakeID__$}', '(' . implode(', ', $ids) . ')', $query); |
||
| 1473 | $query = str_replace('= (', 'IN (', $query); |
||
| 1474 | } else {
|
||
| 1475 | $query = str_replace('{$__cakeID__$}', $ids[0], $query); |
||
| 1476 | } |
||
| 1477 | $query = str_replace(' WHERE 1 = 1', '', $query); |
||
| 1478 | |||
| 1479 | return $this->fetchAll($query, $Model->cacheQueries); |
||
| 1480 | } |
||
| 1481 | |||
| 1482 | /**
|
||
| 1483 | * Merge the results of 'hasMany' associations.
|
||
| 1484 | *
|
||
| 1485 | * Note: this function also deals with the formatting of the data.
|
||
| 1486 | *
|
||
| 1487 | * @param array &$resultSet Data to merge into.
|
||
| 1488 | * @param array $assocResultSet Data to merge.
|
||
| 1489 | * @param string $association Name of Model being merged.
|
||
| 1490 | * @param Model $Model Model being merged onto.
|
||
| 1491 | * @return void
|
||
| 1492 | */
|
||
| 1493 | protected function _mergeHasMany(&$resultSet, $assocResultSet, $association, Model $Model) { |
||
| 1494 | $modelAlias = $Model->alias; |
||
| 1495 | $primaryKey = $Model->primaryKey; |
||
| 1496 | $foreignKey = $Model->hasMany[$association]['foreignKey']; |
||
| 1497 | |||
| 1498 | foreach ($resultSet as &$result) { |
||
| 1499 | if (!isset($result[$modelAlias])) { |
||
| 1500 | continue;
|
||
| 1501 | } |
||
| 1502 | |||
| 1503 | $resultPrimaryKey = $result[$modelAlias][$primaryKey]; |
||
| 1504 | |||
| 1505 | $merged = array(); |
||
| 1506 | foreach ($assocResultSet as $data) { |
||
| 1507 | if ($resultPrimaryKey !== $data[$association][$foreignKey]) { |
||
| 1508 | continue;
|
||
| 1509 | } |
||
| 1510 | |||
| 1511 | if (count($data) > 1) { |
||
| 1512 | $data = array_merge($data[$association], $data); |
||
| 1513 | unset($data[$association]); |
||
| 1514 | foreach ($data as $key => $name) { |
||
| 1515 | if (is_numeric($key)) { |
||
| 1516 | $data[$association][] = $name; |
||
| 1517 | unset($data[$key]); |
||
| 1518 | } |
||
| 1519 | } |
||
| 1520 | $merged[] = $data; |
||
| 1521 | } else {
|
||
| 1522 | $merged[] = $data[$association]; |
||
| 1523 | } |
||
| 1524 | } |
||
| 1525 | |||
| 1526 | $result = Hash::mergeDiff($result, array($association => $merged)); |
||
| 1527 | } |
||
| 1528 | } |
||
| 1529 | |||
| 1530 | /**
|
||
| 1531 | * Merge association of merge into data
|
||
| 1532 | *
|
||
| 1533 | * @param array &$data The data to merge.
|
||
| 1534 | * @param array &$merge The data to merge.
|
||
| 1535 | * @param string $association The association name to merge.
|
||
| 1536 | * @param string $type The type of association
|
||
| 1537 | * @param bool $selfJoin Whether or not this is a self join.
|
||
| 1538 | * @return void
|
||
| 1539 | */
|
||
| 1540 | protected function _mergeAssociation(&$data, &$merge, $association, $type, $selfJoin = false) { |
||
| 1541 | if (isset($merge[0]) && !isset($merge[0][$association])) { |
||
| 1542 | $association = Inflector::pluralize($association); |
||
| 1543 | } |
||
| 1544 | |||
| 1545 | $dataAssociation =& $data[$association]; |
||
| 1546 | |||
| 1547 | if ($type === 'belongsTo' || $type === 'hasOne') { |
||
| 1548 | if (isset($merge[$association])) { |
||
| 1549 | $dataAssociation = $merge[$association][0]; |
||
| 1550 | } else {
|
||
| 1551 | if (!empty($merge[0][$association])) { |
||
| 1552 | foreach ($merge[0] as $assoc => $data2) { |
||
| 1553 | if ($assoc !== $association) { |
||
| 1554 | $merge[0][$association][$assoc] = $data2; |
||
| 1555 | } |
||
| 1556 | } |
||
| 1557 | } |
||
| 1558 | if (!isset($dataAssociation)) { |
||
| 1559 | $dataAssociation = array(); |
||
| 1560 | if ($merge[0][$association]) { |
||
| 1561 | $dataAssociation = $merge[0][$association]; |
||
| 1562 | } |
||
| 1563 | } else {
|
||
| 1564 | if (is_array($merge[0][$association])) { |
||
| 1565 | $mergeAssocTmp = array(); |
||
| 1566 | foreach ($dataAssociation as $k => $v) { |
||
| 1567 | if (!is_array($v)) { |
||
| 1568 | $dataAssocTmp[$k] = $v; |
||
| 1569 | } |
||
| 1570 | } |
||
| 1571 | |||
| 1572 | foreach ($merge[0][$association] as $k => $v) { |
||
| 1573 | if (!is_array($v)) { |
||
| 1574 | $mergeAssocTmp[$k] = $v; |
||
| 1575 | } |
||
| 1576 | } |
||
| 1577 | $dataKeys = array_keys($data); |
||
| 1578 | $mergeKeys = array_keys($merge[0]); |
||
| 1579 | |||
| 1580 | if ($mergeKeys[0] === $dataKeys[0] || $mergeKeys === $dataKeys) { |
||
| 1581 | $dataAssociation[$association] = $merge[0][$association]; |
||
| 1582 | } else {
|
||
| 1583 | $diff = Hash::diff($dataAssocTmp, $mergeAssocTmp); |
||
| 1584 | $dataAssociation = array_merge($merge[0][$association], $diff); |
||
| 1585 | } |
||
| 1586 | } elseif ($selfJoin && array_key_exists($association, $merge[0])) { |
||
| 1587 | $dataAssociation = array_merge($dataAssociation, array($association => array())); |
||
| 1588 | } |
||
| 1589 | } |
||
| 1590 | } |
||
| 1591 | } else {
|
||
| 1592 | if (isset($merge[0][$association]) && $merge[0][$association] === false) { |
||
| 1593 | if (!isset($dataAssociation)) { |
||
| 1594 | $dataAssociation = array(); |
||
| 1595 | } |
||
| 1596 | } else {
|
||
| 1597 | foreach ($merge as $row) { |
||
| 1598 | $insert = array(); |
||
| 1599 | if (count($row) === 1) { |
||
| 1600 | $insert = $row[$association]; |
||
| 1601 | } elseif (isset($row[$association])) { |
||
| 1602 | $insert = array_merge($row[$association], $row); |
||
| 1603 | unset($insert[$association]); |
||
| 1604 | } |
||
| 1605 | |||
| 1606 | if (empty($dataAssociation) || (isset($dataAssociation) && !in_array($insert, $dataAssociation, true))) { |
||
| 1607 | $dataAssociation[] = $insert; |
||
| 1608 | } |
||
| 1609 | } |
||
| 1610 | } |
||
| 1611 | } |
||
| 1612 | } |
||
| 1613 | |||
| 1614 | /**
|
||
| 1615 | * Prepares fields required by an SQL statement.
|
||
| 1616 | *
|
||
| 1617 | * When no fields are set, all the $Model fields are returned.
|
||
| 1618 | *
|
||
| 1619 | * @param Model $Model The model to prepare.
|
||
| 1620 | * @param array $queryData An array of queryData information containing keys similar to Model::find().
|
||
| 1621 | * @return array Array containing SQL fields.
|
||
| 1622 | */
|
||
| 1623 | public function prepareFields(Model $Model, $queryData) { |
||
| 1624 | if (empty($queryData['fields'])) { |
||
| 1625 | $queryData['fields'] = $this->fields($Model); |
||
| 1626 | |||
| 1627 | } elseif (!empty($Model->hasMany) && $Model->recursive > -1) { |
||
| 1628 | // hasMany relationships need the $Model primary key.
|
||
| 1629 | $assocFields = $this->fields($Model, null, "{$Model->alias}.{$Model->primaryKey}"); |
||
| 1630 | $passedFields = $queryData['fields']; |
||
| 1631 | |||
| 1632 | if (count($passedFields) > 1 || |
||
| 1633 | (strpos($passedFields[0], $assocFields[0]) === false && !preg_match('/^[a-z]+\(/i', $passedFields[0])) |
||
| 1634 | ) {
|
||
| 1635 | $queryData['fields'] = array_merge($passedFields, $assocFields); |
||
| 1636 | } |
||
| 1637 | } |
||
| 1638 | |||
| 1639 | return array_unique($queryData['fields']); |
||
| 1640 | } |
||
| 1641 | |||
| 1642 | /**
|
||
| 1643 | * Builds an SQL statement.
|
||
| 1644 | *
|
||
| 1645 | * This is merely a convenient wrapper to DboSource::buildStatement().
|
||
| 1646 | *
|
||
| 1647 | * @param Model $Model The model to build an association query for.
|
||
| 1648 | * @param array $queryData An array of queryData information containing keys similar to Model::find().
|
||
| 1649 | * @return string String containing an SQL statement.
|
||
| 1650 | * @see DboSource::buildStatement()
|
||
| 1651 | */
|
||
| 1652 | public function buildAssociationQuery(Model $Model, $queryData) { |
||
| 1653 | $queryData = $this->_scrubQueryData($queryData); |
||
| 1654 | |||
| 1655 | return $this->buildStatement( |
||
| 1656 | array(
|
||
| 1657 | 'fields' => $this->prepareFields($Model, $queryData), |
||
| 1658 | 'table' => $this->fullTableName($Model), |
||
| 1659 | 'alias' => $Model->alias, |
||
| 1660 | 'limit' => $queryData['limit'], |
||
| 1661 | 'offset' => $queryData['offset'], |
||
| 1662 | 'joins' => $queryData['joins'], |
||
| 1663 | 'conditions' => $queryData['conditions'], |
||
| 1664 | 'order' => $queryData['order'], |
||
| 1665 | 'group' => $queryData['group'] |
||
| 1666 | ), |
||
| 1667 | $Model
|
||
| 1668 | ); |
||
| 1669 | } |
||
| 1670 | |||
| 1671 | /**
|
||
| 1672 | * Generates a query or part of a query from a single model or two associated models.
|
||
| 1673 | *
|
||
| 1674 | * Builds a string containing an SQL statement template.
|
||
| 1675 | *
|
||
| 1676 | * @param Model $Model Primary Model object.
|
||
| 1677 | * @param Model|null $LinkModel Linked model object.
|
||
| 1678 | * @param string $type Association type, one of the model association types ie. hasMany.
|
||
| 1679 | * @param string $association Association name.
|
||
| 1680 | * @param array $assocData Association data.
|
||
| 1681 | * @param array &$queryData An array of queryData information containing keys similar to Model::find().
|
||
| 1682 | * @param bool $external Whether or not the association query is on an external datasource.
|
||
| 1683 | * @return mixed
|
||
| 1684 | * String representing a query.
|
||
| 1685 | * True, when $external is false and association $type is 'hasOne' or 'belongsTo'.
|
||
| 1686 | */
|
||
| 1687 | public function generateAssociationQuery(Model $Model, $LinkModel, $type, $association, $assocData, &$queryData, $external) { |
||
| 1688 | $assocData = $this->_scrubQueryData($assocData); |
||
| 1689 | $queryData = $this->_scrubQueryData($queryData); |
||
| 1690 | |||
| 1691 | if ($LinkModel === null) { |
||
| 1692 | return $this->buildStatement( |
||
| 1693 | array(
|
||
| 1694 | 'fields' => array_unique($queryData['fields']), |
||
| 1695 | 'table' => $this->fullTableName($Model), |
||
| 1696 | 'alias' => $Model->alias, |
||
| 1697 | 'limit' => $queryData['limit'], |
||
| 1698 | 'offset' => $queryData['offset'], |
||
| 1699 | 'joins' => $queryData['joins'], |
||
| 1700 | 'conditions' => $queryData['conditions'], |
||
| 1701 | 'order' => $queryData['order'], |
||
| 1702 | 'group' => $queryData['group'] |
||
| 1703 | ), |
||
| 1704 | $Model
|
||
| 1705 | ); |
||
| 1706 | } |
||
| 1707 | |||
| 1708 | if ($external && !empty($assocData['finderQuery'])) { |
||
| 1709 | return $assocData['finderQuery']; |
||
| 1710 | } |
||
| 1711 | |||
| 1712 | if ($type === 'hasMany' || $type === 'hasAndBelongsToMany') { |
||
| 1713 | if (empty($assocData['offset']) && !empty($assocData['page'])) { |
||
| 1714 | $assocData['offset'] = ($assocData['page'] - 1) * $assocData['limit']; |
||
| 1715 | } |
||
| 1716 | } |
||
| 1717 | |||
| 1718 | switch ($type) { |
||
| 1719 | case 'hasOne': |
||
| 1720 | case 'belongsTo': |
||
| 1721 | $conditions = $this->_mergeConditions( |
||
| 1722 | $assocData['conditions'], |
||
| 1723 | $this->getConstraint($type, $Model, $LinkModel, $association, array_merge($assocData, compact('external'))) |
||
| 1724 | ); |
||
| 1725 | |||
| 1726 | if ($external) { |
||
| 1727 | // Not self join
|
||
| 1728 | if ($Model->name !== $LinkModel->name) { |
||
| 1729 | $modelAlias = $Model->alias; |
||
| 1730 | foreach ($conditions as $key => $condition) { |
||
| 1731 | if (is_numeric($key) && strpos($condition, $modelAlias . '.') !== false) { |
||
| 1732 | unset($conditions[$key]); |
||
| 1733 | } |
||
| 1734 | } |
||
| 1735 | } |
||
| 1736 | |||
| 1737 | $query = array_merge($assocData, array( |
||
| 1738 | 'conditions' => $conditions, |
||
| 1739 | 'table' => $this->fullTableName($LinkModel), |
||
| 1740 | 'fields' => $this->fields($LinkModel, $association, $assocData['fields']), |
||
| 1741 | 'alias' => $association, |
||
| 1742 | 'group' => null |
||
| 1743 | )); |
||
| 1744 | } else {
|
||
| 1745 | $join = array( |
||
| 1746 | 'table' => $LinkModel, |
||
| 1747 | 'alias' => $association, |
||
| 1748 | 'type' => isset($assocData['type']) ? $assocData['type'] : 'LEFT', |
||
| 1749 | 'conditions' => trim($this->conditions($conditions, true, false, $Model)) |
||
| 1750 | ); |
||
| 1751 | |||
| 1752 | $fields = array(); |
||
| 1753 | if ($assocData['fields'] !== false) { |
||
| 1754 | $fields = $this->fields($LinkModel, $association, $assocData['fields']); |
||
| 1755 | } |
||
| 1756 | |||
| 1757 | $queryData['fields'] = array_merge($this->prepareFields($Model, $queryData), $fields); |
||
| 1758 | |||
| 1759 | if (!empty($assocData['order'])) { |
||
| 1760 | $queryData['order'][] = $assocData['order']; |
||
| 1761 | } |
||
| 1762 | if (!in_array($join, $queryData['joins'], true)) { |
||
| 1763 | $queryData['joins'][] = $join; |
||
| 1764 | } |
||
| 1765 | |||
| 1766 | return true; |
||
| 1767 | } |
||
| 1768 | break;
|
||
| 1769 | case 'hasMany': |
||
| 1770 | $assocData['fields'] = $this->fields($LinkModel, $association, $assocData['fields']); |
||
| 1771 | if (!empty($assocData['foreignKey'])) { |
||
| 1772 | $assocData['fields'] = array_merge($assocData['fields'], $this->fields($LinkModel, $association, array("{$association}.{$assocData['foreignKey']}"))); |
||
| 1773 | } |
||
| 1774 | |||
| 1775 | $query = array( |
||
| 1776 | 'conditions' => $this->_mergeConditions($this->getConstraint('hasMany', $Model, $LinkModel, $association, $assocData), $assocData['conditions']), |
||
| 1777 | 'fields' => array_unique($assocData['fields']), |
||
| 1778 | 'table' => $this->fullTableName($LinkModel), |
||
| 1779 | 'alias' => $association, |
||
| 1780 | 'order' => $assocData['order'], |
||
| 1781 | 'limit' => $assocData['limit'], |
||
| 1782 | 'offset' => $assocData['offset'], |
||
| 1783 | 'group' => null |
||
| 1784 | ); |
||
| 1785 | break;
|
||
| 1786 | case 'hasAndBelongsToMany': |
||
| 1787 | $joinFields = array(); |
||
| 1788 | $joinAssoc = null; |
||
| 1789 | |||
| 1790 | if (isset($assocData['with']) && !empty($assocData['with'])) { |
||
| 1791 | $joinKeys = array($assocData['foreignKey'], $assocData['associationForeignKey']); |
||
| 1792 | list($with, $joinFields) = $Model->joinModel($assocData['with'], $joinKeys); |
||
| 1793 | |||
| 1794 | $joinTbl = $Model->{$with}; |
||
| 1795 | $joinAlias = $joinTbl; |
||
| 1796 | |||
| 1797 | if (is_array($joinFields) && !empty($joinFields)) { |
||
| 1798 | $joinAssoc = $joinAlias = $joinTbl->alias; |
||
| 1799 | $joinFields = $this->fields($joinTbl, $joinAlias, $joinFields); |
||
| 1800 | } else {
|
||
| 1801 | $joinFields = array(); |
||
| 1802 | } |
||
| 1803 | } else {
|
||
| 1804 | $joinTbl = $assocData['joinTable']; |
||
| 1805 | $joinAlias = $this->fullTableName($assocData['joinTable']); |
||
| 1806 | } |
||
| 1807 | |||
| 1808 | $query = array( |
||
| 1809 | 'conditions' => $assocData['conditions'], |
||
| 1810 | 'limit' => $assocData['limit'], |
||
| 1811 | 'offset' => $assocData['offset'], |
||
| 1812 | 'table' => $this->fullTableName($LinkModel), |
||
| 1813 | 'alias' => $association, |
||
| 1814 | 'fields' => array_merge($this->fields($LinkModel, $association, $assocData['fields']), $joinFields), |
||
| 1815 | 'order' => $assocData['order'], |
||
| 1816 | 'group' => null, |
||
| 1817 | 'joins' => array(array( |
||
| 1818 | 'table' => $joinTbl, |
||
| 1819 | 'alias' => $joinAssoc, |
||
| 1820 | 'conditions' => $this->getConstraint('hasAndBelongsToMany', $Model, $LinkModel, $joinAlias, $assocData, $association) |
||
| 1821 | )) |
||
| 1822 | ); |
||
| 1823 | break;
|
||
| 1824 | } |
||
| 1825 | |||
| 1826 | if (isset($query)) { |
||
| 1827 | return $this->buildStatement($query, $Model); |
||
| 1828 | } |
||
| 1829 | |||
| 1830 | return null; |
||
| 1831 | } |
||
| 1832 | |||
| 1833 | /**
|
||
| 1834 | * Returns a conditions array for the constraint between two models.
|
||
| 1835 | *
|
||
| 1836 | * @param string $type Association type.
|
||
| 1837 | * @param Model $Model Primary Model object.
|
||
| 1838 | * @param Model $LinkModel Linked model object.
|
||
| 1839 | * @param string $association Association name.
|
||
| 1840 | * @param array $assocData Association data.
|
||
| 1841 | * @param string $association2 HABTM association name.
|
||
| 1842 | * @return array Conditions array defining the constraint between $Model and $LinkModel.
|
||
| 1843 | */
|
||
| 1844 | public function getConstraint($type, Model $Model, Model $LinkModel, $association, $assocData, $association2 = null) { |
||
| 1845 | $assocData += array('external' => false); |
||
| 1846 | |||
| 1847 | if (empty($assocData['foreignKey'])) { |
||
| 1848 | return array(); |
||
| 1849 | } |
||
| 1850 | |||
| 1851 | switch ($type) { |
||
| 1852 | case 'hasOne': |
||
| 1853 | if ($assocData['external']) { |
||
| 1854 | return array( |
||
| 1855 | "{$association}.{$assocData['foreignKey']}" => '{$__cakeID__$}' |
||
| 1856 | ); |
||
| 1857 | } else {
|
||
| 1858 | return array( |
||
| 1859 | "{$association}.{$assocData['foreignKey']}" => $this->identifier("{$Model->alias}.{$Model->primaryKey}") |
||
| 1860 | ); |
||
| 1861 | } |
||
| 1862 | case 'belongsTo': |
||
| 1863 | if ($assocData['external']) { |
||
| 1864 | return array( |
||
| 1865 | "{$association}.{$LinkModel->primaryKey}" => '{$__cakeForeignKey__$}' |
||
| 1866 | ); |
||
| 1867 | } else {
|
||
| 1868 | return array( |
||
| 1869 | "{$Model->alias}.{$assocData['foreignKey']}" => $this->identifier("{$association}.{$LinkModel->primaryKey}") |
||
| 1870 | ); |
||
| 1871 | } |
||
| 1872 | case 'hasMany': |
||
| 1873 | return array("{$association}.{$assocData['foreignKey']}" => array('{$__cakeID__$}')); |
||
| 1874 | case 'hasAndBelongsToMany': |
||
| 1875 | return array( |
||
| 1876 | array(
|
||
| 1877 | "{$association}.{$assocData['foreignKey']}" => '{$__cakeID__$}' |
||
| 1878 | ), |
||
| 1879 | array(
|
||
| 1880 | "{$association}.{$assocData['associationForeignKey']}" => $this->identifier("{$association2}.{$LinkModel->primaryKey}") |
||
| 1881 | ) |
||
| 1882 | ); |
||
| 1883 | } |
||
| 1884 | |||
| 1885 | return array(); |
||
| 1886 | } |
||
| 1887 | |||
| 1888 | /**
|
||
| 1889 | * Builds and generates a JOIN condition from an array. Handles final clean-up before conversion.
|
||
| 1890 | *
|
||
| 1891 | * @param array $join An array defining a JOIN condition in a query.
|
||
| 1892 | * @return string An SQL JOIN condition to be used in a query.
|
||
| 1893 | * @see DboSource::renderJoinStatement()
|
||
| 1894 | * @see DboSource::buildStatement()
|
||
| 1895 | */
|
||
| 1896 | public function buildJoinStatement($join) { |
||
| 1897 | $data = array_merge(array( |
||
| 1898 | 'type' => null, |
||
| 1899 | 'alias' => null, |
||
| 1900 | 'table' => 'join_table', |
||
| 1901 | 'conditions' => '', |
||
| 1902 | ), $join);
|
||
| 1903 | |||
| 1904 | if (!empty($data['alias'])) { |
||
| 1905 | $data['alias'] = $this->alias . $this->name($data['alias']); |
||
| 1906 | } |
||
| 1907 | if (!empty($data['conditions'])) { |
||
| 1908 | $data['conditions'] = trim($this->conditions($data['conditions'], true, false)); |
||
| 1909 | } |
||
| 1910 | if (!empty($data['table']) && (!is_string($data['table']) || strpos($data['table'], '(') !== 0)) { |
||
| 1911 | $data['table'] = $this->fullTableName($data['table']); |
||
| 1912 | } |
||
| 1913 | return $this->renderJoinStatement($data); |
||
| 1914 | } |
||
| 1915 | |||
| 1916 | /**
|
||
| 1917 | * Builds and generates an SQL statement from an array. Handles final clean-up before conversion.
|
||
| 1918 | *
|
||
| 1919 | * @param array $query An array defining an SQL query.
|
||
| 1920 | * @param Model $Model The model object which initiated the query.
|
||
| 1921 | * @return string An executable SQL statement.
|
||
| 1922 | * @see DboSource::renderStatement()
|
||
| 1923 | */
|
||
| 1924 | public function buildStatement($query, Model $Model) { |
||
| 1925 | $query = array_merge($this->_queryDefaults, $query); |
||
| 1926 | |||
| 1927 | if (!empty($query['joins'])) { |
||
| 1928 | $count = count($query['joins']); |
||
| 1929 | for ($i = 0; $i < $count; $i++) { |
||
| 1930 | if (is_array($query['joins'][$i])) { |
||
| 1931 | $query['joins'][$i] = $this->buildJoinStatement($query['joins'][$i]); |
||
| 1932 | } |
||
| 1933 | } |
||
| 1934 | } |
||
| 1935 | |||
| 1936 | return $this->renderStatement('select', array( |
||
| 1937 | 'conditions' => $this->conditions($query['conditions'], true, true, $Model), |
||
| 1938 | 'fields' => implode(', ', $query['fields']), |
||
| 1939 | 'table' => $query['table'], |
||
| 1940 | 'alias' => $this->alias . $this->name($query['alias']), |
||
| 1941 | 'order' => $this->order($query['order'], 'ASC', $Model), |
||
| 1942 | 'limit' => $this->limit($query['limit'], $query['offset']), |
||
| 1943 | 'joins' => implode(' ', $query['joins']), |
||
| 1944 | 'group' => $this->group($query['group'], $Model) |
||
| 1945 | )); |
||
| 1946 | } |
||
| 1947 | |||
| 1948 | /**
|
||
| 1949 | * Renders a final SQL JOIN statement
|
||
| 1950 | *
|
||
| 1951 | * @param array $data The data to generate a join statement for.
|
||
| 1952 | * @return string
|
||
| 1953 | */
|
||
| 1954 | public function renderJoinStatement($data) { |
||
| 1955 | if (strtoupper($data['type']) === 'CROSS' || empty($data['conditions'])) { |
||
| 1956 | return "{$data['type']} JOIN {$data['table']} {$data['alias']}"; |
||
| 1957 | } |
||
| 1958 | return trim("{$data['type']} JOIN {$data['table']} {$data['alias']} ON ({$data['conditions']})"); |
||
| 1959 | } |
||
| 1960 | |||
| 1961 | /**
|
||
| 1962 | * Renders a final SQL statement by putting together the component parts in the correct order
|
||
| 1963 | *
|
||
| 1964 | * @param string $type type of query being run. e.g select, create, update, delete, schema, alter.
|
||
| 1965 | * @param array $data Array of data to insert into the query.
|
||
| 1966 | * @return string|null Rendered SQL expression to be run, otherwise null.
|
||
| 1967 | */
|
||
| 1968 | public function renderStatement($type, $data) { |
||
| 1969 | extract($data); |
||
| 1970 | $aliases = null; |
||
| 1971 | |||
| 1972 | switch (strtolower($type)) { |
||
| 1973 | case 'select': |
||
| 1974 | return trim("SELECT {$fields} FROM {$table} {$alias} {$joins} {$conditions} {$group} {$order} {$limit}"); |
||
| 1975 | case 'create': |
||
| 1976 | return "INSERT INTO {$table} ({$fields}) VALUES ({$values})"; |
||
| 1977 | case 'update': |
||
| 1978 | if (!empty($alias)) { |
||
| 1979 | $aliases = "{$this->alias}{$alias} {$joins} "; |
||
| 1980 | } |
||
| 1981 | return trim("UPDATE {$table} {$aliases}SET {$fields} {$conditions}"); |
||
| 1982 | case 'delete': |
||
| 1983 | if (!empty($alias)) { |
||
| 1984 | $aliases = "{$this->alias}{$alias} {$joins} "; |
||
| 1985 | } |
||
| 1986 | return trim("DELETE {$alias} FROM {$table} {$aliases}{$conditions}"); |
||
| 1987 | case 'schema': |
||
| 1988 | foreach (array('columns', 'indexes', 'tableParameters') as $var) { |
||
| 1989 | if (is_array(${$var})) { |
||
| 1990 | ${$var} = "\t" . implode(",\n\t", array_filter(${$var}));
|
||
| 1991 | } else {
|
||
| 1992 | ${$var} = '';
|
||
| 1993 | } |
||
| 1994 | } |
||
| 1995 | if (trim($indexes) !== '') { |
||
| 1996 | $columns .= ','; |
||
| 1997 | } |
||
| 1998 | return "CREATE TABLE {$table} (\n{$columns}{$indexes}) {$tableParameters};"; |
||
| 1999 | case 'alter': |
||
| 2000 | return null; |
||
| 2001 | } |
||
| 2002 | } |
||
| 2003 | |||
| 2004 | /**
|
||
| 2005 | * Merges a mixed set of string/array conditions.
|
||
| 2006 | *
|
||
| 2007 | * @param mixed $query The query to merge conditions for.
|
||
| 2008 | * @param mixed $assoc The association names.
|
||
| 2009 | * @return array
|
||
| 2010 | */
|
||
| 2011 | protected function _mergeConditions($query, $assoc) { |
||
| 2012 | if (empty($assoc)) { |
||
| 2013 | return $query; |
||
| 2014 | } |
||
| 2015 | |||
| 2016 | if (is_array($query)) { |
||
| 2017 | return array_merge((array)$assoc, $query); |
||
| 2018 | } |
||
| 2019 | |||
| 2020 | if (!empty($query)) { |
||
| 2021 | $query = array($query); |
||
| 2022 | if (is_array($assoc)) { |
||
| 2023 | $query = array_merge($query, $assoc); |
||
| 2024 | } else {
|
||
| 2025 | $query[] = $assoc; |
||
| 2026 | } |
||
| 2027 | return $query; |
||
| 2028 | } |
||
| 2029 | |||
| 2030 | return $assoc; |
||
| 2031 | } |
||
| 2032 | |||
| 2033 | /**
|
||
| 2034 | * Generates and executes an SQL UPDATE statement for given model, fields, and values.
|
||
| 2035 | * For databases that do not support aliases in UPDATE queries.
|
||
| 2036 | *
|
||
| 2037 | * @param Model $Model The model to update.
|
||
| 2038 | * @param array $fields The fields to update
|
||
| 2039 | * @param array $values The values fo the fields.
|
||
| 2040 | * @param mixed $conditions The conditions for the update. When non-empty $values will not be quoted.
|
||
| 2041 | * @return bool Success
|
||
| 2042 | */
|
||
| 2043 | public function update(Model $Model, $fields = array(), $values = null, $conditions = null) { |
||
| 2044 | if (!$values) { |
||
| 2045 | $combined = $fields; |
||
| 2046 | } else {
|
||
| 2047 | $combined = array_combine($fields, $values); |
||
| 2048 | } |
||
| 2049 | |||
| 2050 | $fields = implode(', ', $this->_prepareUpdateFields($Model, $combined, empty($conditions))); |
||
| 2051 | |||
| 2052 | $alias = $joins = null; |
||
| 2053 | $table = $this->fullTableName($Model); |
||
| 2054 | $conditions = $this->_matchRecords($Model, $conditions); |
||
| 2055 | |||
| 2056 | if ($conditions === false) { |
||
| 2057 | return false; |
||
| 2058 | } |
||
| 2059 | $query = compact('table', 'alias', 'joins', 'fields', 'conditions'); |
||
| 2060 | |||
| 2061 | if (!$this->execute($this->renderStatement('update', $query))) { |
||
| 2062 | $Model->onError();
|
||
| 2063 | return false; |
||
| 2064 | } |
||
| 2065 | return true; |
||
| 2066 | } |
||
| 2067 | |||
| 2068 | /**
|
||
| 2069 | * Quotes and prepares fields and values for an SQL UPDATE statement
|
||
| 2070 | *
|
||
| 2071 | * @param Model $Model The model to prepare fields for.
|
||
| 2072 | * @param array $fields The fields to update.
|
||
| 2073 | * @param bool $quoteValues If values should be quoted, or treated as SQL snippets
|
||
| 2074 | * @param bool $alias Include the model alias in the field name
|
||
| 2075 | * @return array Fields and values, quoted and prepared
|
||
| 2076 | */
|
||
| 2077 | protected function _prepareUpdateFields(Model $Model, $fields, $quoteValues = true, $alias = false) { |
||
| 2078 | $quotedAlias = $this->startQuote . $Model->alias . $this->endQuote; |
||
| 2079 | $schema = $Model->schema(); |
||
| 2080 | |||
| 2081 | $updates = array(); |
||
| 2082 | foreach ($fields as $field => $value) { |
||
| 2083 | if ($alias && strpos($field, '.') === false) { |
||
| 2084 | $quoted = $Model->escapeField($field); |
||
| 2085 | } elseif (!$alias && strpos($field, '.') !== false) { |
||
| 2086 | $quoted = $this->name(str_replace($quotedAlias . '.', '', str_replace( |
||
| 2087 | $Model->alias . '.', '', $field |
||
| 2088 | ))); |
||
| 2089 | } else {
|
||
| 2090 | $quoted = $this->name($field); |
||
| 2091 | } |
||
| 2092 | |||
| 2093 | if ($value === null) { |
||
| 2094 | $updates[] = $quoted . ' = NULL'; |
||
| 2095 | continue;
|
||
| 2096 | } |
||
| 2097 | $update = $quoted . ' = '; |
||
| 2098 | |||
| 2099 | if ($quoteValues) { |
||
| 2100 | $update .= $this->value($value, $Model->getColumnType($field), isset($schema[$field]) ? $schema[$field]['null'] : true); |
||
| 2101 | } elseif ($Model->getColumnType($field) === 'boolean' && (is_int($value) || is_bool($value))) { |
||
| 2102 | $update .= $this->boolean($value, true); |
||
| 2103 | } elseif (!$alias) { |
||
| 2104 | $update .= str_replace($quotedAlias . '.', '', str_replace( |
||
| 2105 | $Model->alias . '.', '', $value |
||
| 2106 | )); |
||
| 2107 | } else {
|
||
| 2108 | $update .= $value; |
||
| 2109 | } |
||
| 2110 | $updates[] = $update; |
||
| 2111 | } |
||
| 2112 | return $updates; |
||
| 2113 | } |
||
| 2114 | |||
| 2115 | /**
|
||
| 2116 | * Generates and executes an SQL DELETE statement.
|
||
| 2117 | * For databases that do not support aliases in UPDATE queries.
|
||
| 2118 | *
|
||
| 2119 | * @param Model $Model The model to delete from
|
||
| 2120 | * @param mixed $conditions The conditions to use. If empty the model's primary key will be used.
|
||
| 2121 | * @return bool Success
|
||
| 2122 | */
|
||
| 2123 | public function delete(Model $Model, $conditions = null) { |
||
| 2124 | $alias = $joins = null; |
||
| 2125 | $table = $this->fullTableName($Model); |
||
| 2126 | $conditions = $this->_matchRecords($Model, $conditions); |
||
| 2127 | |||
| 2128 | if ($conditions === false) { |
||
| 2129 | return false; |
||
| 2130 | } |
||
| 2131 | |||
| 2132 | if ($this->execute($this->renderStatement('delete', compact('alias', 'table', 'joins', 'conditions'))) === false) { |
||
| 2133 | $Model->onError();
|
||
| 2134 | return false; |
||
| 2135 | } |
||
| 2136 | return true; |
||
| 2137 | } |
||
| 2138 | |||
| 2139 | /**
|
||
| 2140 | * Gets a list of record IDs for the given conditions. Used for multi-record updates and deletes
|
||
| 2141 | * in databases that do not support aliases in UPDATE/DELETE queries.
|
||
| 2142 | *
|
||
| 2143 | * @param Model $Model The model to find matching records for.
|
||
| 2144 | * @param mixed $conditions The conditions to match against.
|
||
| 2145 | * @return array List of record IDs
|
||
| 2146 | */
|
||
| 2147 | protected function _matchRecords(Model $Model, $conditions = null) { |
||
| 2148 | if ($conditions === true) { |
||
| 2149 | $conditions = $this->conditions(true); |
||
| 2150 | } elseif ($conditions === null) { |
||
| 2151 | $conditions = $this->conditions($this->defaultConditions($Model, $conditions, false), true, true, $Model); |
||
| 2152 | } else {
|
||
| 2153 | $noJoin = true; |
||
| 2154 | foreach ($conditions as $field => $value) { |
||
| 2155 | $originalField = $field; |
||
| 2156 | if (strpos($field, '.') !== false) { |
||
| 2157 | list(, $field) = explode('.', $field); |
||
| 2158 | $field = ltrim($field, $this->startQuote); |
||
| 2159 | $field = rtrim($field, $this->endQuote); |
||
| 2160 | } |
||
| 2161 | if (!$Model->hasField($field)) { |
||
| 2162 | $noJoin = false; |
||
| 2163 | break;
|
||
| 2164 | } |
||
| 2165 | if ($field !== $originalField) { |
||
| 2166 | $conditions[$field] = $value; |
||
| 2167 | unset($conditions[$originalField]); |
||
| 2168 | } |
||
| 2169 | } |
||
| 2170 | if ($noJoin === true) { |
||
| 2171 | return $this->conditions($conditions); |
||
| 2172 | } |
||
| 2173 | $idList = $Model->find('all', array( |
||
| 2174 | 'fields' => "{$Model->alias}.{$Model->primaryKey}", |
||
| 2175 | 'conditions' => $conditions |
||
| 2176 | )); |
||
| 2177 | |||
| 2178 | if (empty($idList)) { |
||
| 2179 | return false; |
||
| 2180 | } |
||
| 2181 | |||
| 2182 | $conditions = $this->conditions(array( |
||
| 2183 | $Model->primaryKey => Hash::extract($idList, "{n}.{$Model->alias}.{$Model->primaryKey}") |
||
| 2184 | )); |
||
| 2185 | } |
||
| 2186 | |||
| 2187 | return $conditions; |
||
| 2188 | } |
||
| 2189 | |||
| 2190 | /**
|
||
| 2191 | * Returns an array of SQL JOIN conditions from a model's associations.
|
||
| 2192 | *
|
||
| 2193 | * @param Model $Model The model to get joins for.2
|
||
| 2194 | * @return array
|
||
| 2195 | */
|
||
| 2196 | protected function _getJoins(Model $Model) { |
||
| 2197 | $join = array(); |
||
| 2198 | $joins = array_merge($Model->getAssociated('hasOne'), $Model->getAssociated('belongsTo')); |
||
| 2199 | |||
| 2200 | foreach ($joins as $assoc) { |
||
| 2201 | if (!isset($Model->{$assoc})) { |
||
| 2202 | continue;
|
||
| 2203 | } |
||
| 2204 | |||
| 2205 | $LinkModel = $Model->{$assoc}; |
||
| 2206 | |||
| 2207 | if ($Model->useDbConfig !== $LinkModel->useDbConfig) { |
||
| 2208 | continue;
|
||
| 2209 | } |
||
| 2210 | |||
| 2211 | $assocData = $Model->getAssociated($assoc); |
||
| 2212 | |||
| 2213 | $join[] = $this->buildJoinStatement(array( |
||
| 2214 | 'table' => $LinkModel, |
||
| 2215 | 'alias' => $assoc, |
||
| 2216 | 'type' => isset($assocData['type']) ? $assocData['type'] : 'LEFT', |
||
| 2217 | 'conditions' => trim($this->conditions( |
||
| 2218 | $this->_mergeConditions($assocData['conditions'], $this->getConstraint($assocData['association'], $Model, $LinkModel, $assoc, $assocData)), |
||
| 2219 | true,
|
||
| 2220 | false,
|
||
| 2221 | $Model
|
||
| 2222 | )) |
||
| 2223 | )); |
||
| 2224 | } |
||
| 2225 | |||
| 2226 | return $join; |
||
| 2227 | } |
||
| 2228 | |||
| 2229 | /**
|
||
| 2230 | * Returns an SQL calculation, i.e. COUNT() or MAX()
|
||
| 2231 | *
|
||
| 2232 | * @param Model $Model The model to get a calculated field for.
|
||
| 2233 | * @param string $func Lowercase name of SQL function, i.e. 'count' or 'max'
|
||
| 2234 | * @param array $params Function parameters (any values must be quoted manually)
|
||
| 2235 | * @return string An SQL calculation function
|
||
| 2236 | */
|
||
| 2237 | public function calculate(Model $Model, $func, $params = array()) { |
||
| 2238 | $params = (array)$params; |
||
| 2239 | |||
| 2240 | switch (strtolower($func)) { |
||
| 2241 | case 'count': |
||
| 2242 | if (!isset($params[0])) { |
||
| 2243 | $params[0] = '*'; |
||
| 2244 | } |
||
| 2245 | if (!isset($params[1])) { |
||
| 2246 | $params[1] = 'count'; |
||
| 2247 | } |
||
| 2248 | if ($Model->isVirtualField($params[0])) { |
||
| 2249 | $arg = $this->_quoteFields($Model->getVirtualField($params[0])); |
||
| 2250 | } else {
|
||
| 2251 | $arg = $this->name($params[0]); |
||
| 2252 | } |
||
| 2253 | return 'COUNT(' . $arg . ') AS ' . $this->name($params[1]); |
||
| 2254 | case 'max': |
||
| 2255 | case 'min': |
||
| 2256 | if (!isset($params[1])) { |
||
| 2257 | $params[1] = $params[0]; |
||
| 2258 | } |
||
| 2259 | if ($Model->isVirtualField($params[0])) { |
||
| 2260 | $arg = $this->_quoteFields($Model->getVirtualField($params[0])); |
||
| 2261 | } else {
|
||
| 2262 | $arg = $this->name($params[0]); |
||
| 2263 | } |
||
| 2264 | return strtoupper($func) . '(' . $arg . ') AS ' . $this->name($params[1]); |
||
| 2265 | } |
||
| 2266 | } |
||
| 2267 | |||
| 2268 | /**
|
||
| 2269 | * Deletes all the records in a table and resets the count of the auto-incrementing
|
||
| 2270 | * primary key, where applicable.
|
||
| 2271 | *
|
||
| 2272 | * @param Model|string $table A string or model class representing the table to be truncated
|
||
| 2273 | * @return bool SQL TRUNCATE TABLE statement, false if not applicable.
|
||
| 2274 | */
|
||
| 2275 | public function truncate($table) { |
||
| 2276 | return $this->execute('TRUNCATE TABLE ' . $this->fullTableName($table)); |
||
| 2277 | } |
||
| 2278 | |||
| 2279 | /**
|
||
| 2280 | * Check if the server support nested transactions
|
||
| 2281 | *
|
||
| 2282 | * @return bool
|
||
| 2283 | */
|
||
| 2284 | public function nestedTransactionSupported() { |
||
| 2285 | return false; |
||
| 2286 | } |
||
| 2287 | |||
| 2288 | /**
|
||
| 2289 | * Begin a transaction
|
||
| 2290 | *
|
||
| 2291 | * @return bool True on success, false on fail
|
||
| 2292 | * (i.e. if the database/model does not support transactions,
|
||
| 2293 | * or a transaction has not started).
|
||
| 2294 | */
|
||
| 2295 | public function begin() { |
||
| 2296 | if ($this->_transactionStarted) { |
||
| 2297 | if ($this->nestedTransactionSupported()) { |
||
| 2298 | return $this->_beginNested(); |
||
| 2299 | } |
||
| 2300 | $this->_transactionNesting++;
|
||
| 2301 | return $this->_transactionStarted; |
||
| 2302 | } |
||
| 2303 | |||
| 2304 | $this->_transactionNesting = 0; |
||
| 2305 | if ($this->fullDebug) { |
||
| 2306 | $this->logQuery('BEGIN'); |
||
| 2307 | } |
||
| 2308 | return $this->_transactionStarted = $this->_connection->beginTransaction(); |
||
| 2309 | } |
||
| 2310 | |||
| 2311 | /**
|
||
| 2312 | * Begin a nested transaction
|
||
| 2313 | *
|
||
| 2314 | * @return bool
|
||
| 2315 | */
|
||
| 2316 | protected function _beginNested() { |
||
| 2317 | $query = 'SAVEPOINT LEVEL' . ++$this->_transactionNesting; |
||
| 2318 | if ($this->fullDebug) { |
||
| 2319 | $this->logQuery($query); |
||
| 2320 | } |
||
| 2321 | $this->_connection->exec($query); |
||
| 2322 | return true; |
||
| 2323 | } |
||
| 2324 | |||
| 2325 | /**
|
||
| 2326 | * Commit a transaction
|
||
| 2327 | *
|
||
| 2328 | * @return bool True on success, false on fail
|
||
| 2329 | * (i.e. if the database/model does not support transactions,
|
||
| 2330 | * or a transaction has not started).
|
||
| 2331 | */
|
||
| 2332 | public function commit() { |
||
| 2333 | if (!$this->_transactionStarted) { |
||
| 2334 | return false; |
||
| 2335 | } |
||
| 2336 | |||
| 2337 | if ($this->_transactionNesting === 0) { |
||
| 2338 | if ($this->fullDebug) { |
||
| 2339 | $this->logQuery('COMMIT'); |
||
| 2340 | } |
||
| 2341 | $this->_transactionStarted = false; |
||
| 2342 | return $this->_connection->commit(); |
||
| 2343 | } |
||
| 2344 | |||
| 2345 | if ($this->nestedTransactionSupported()) { |
||
| 2346 | return $this->_commitNested(); |
||
| 2347 | } |
||
| 2348 | |||
| 2349 | $this->_transactionNesting--;
|
||
| 2350 | return true; |
||
| 2351 | } |
||
| 2352 | |||
| 2353 | /**
|
||
| 2354 | * Commit a nested transaction
|
||
| 2355 | *
|
||
| 2356 | * @return bool
|
||
| 2357 | */
|
||
| 2358 | protected function _commitNested() { |
||
| 2359 | $query = 'RELEASE SAVEPOINT LEVEL' . $this->_transactionNesting--; |
||
| 2360 | if ($this->fullDebug) { |
||
| 2361 | $this->logQuery($query); |
||
| 2362 | } |
||
| 2363 | $this->_connection->exec($query); |
||
| 2364 | return true; |
||
| 2365 | } |
||
| 2366 | |||
| 2367 | /**
|
||
| 2368 | * Rollback a transaction
|
||
| 2369 | *
|
||
| 2370 | * @return bool True on success, false on fail
|
||
| 2371 | * (i.e. if the database/model does not support transactions,
|
||
| 2372 | * or a transaction has not started).
|
||
| 2373 | */
|
||
| 2374 | public function rollback() { |
||
| 2375 | if (!$this->_transactionStarted) { |
||
| 2376 | return false; |
||
| 2377 | } |
||
| 2378 | |||
| 2379 | if ($this->_transactionNesting === 0) { |
||
| 2380 | if ($this->fullDebug) { |
||
| 2381 | $this->logQuery('ROLLBACK'); |
||
| 2382 | } |
||
| 2383 | $this->_transactionStarted = false; |
||
| 2384 | return $this->_connection->rollBack(); |
||
| 2385 | } |
||
| 2386 | |||
| 2387 | if ($this->nestedTransactionSupported()) { |
||
| 2388 | return $this->_rollbackNested(); |
||
| 2389 | } |
||
| 2390 | |||
| 2391 | $this->_transactionNesting--;
|
||
| 2392 | return true; |
||
| 2393 | } |
||
| 2394 | |||
| 2395 | /**
|
||
| 2396 | * Rollback a nested transaction
|
||
| 2397 | *
|
||
| 2398 | * @return bool
|
||
| 2399 | */
|
||
| 2400 | protected function _rollbackNested() { |
||
| 2401 | $query = 'ROLLBACK TO SAVEPOINT LEVEL' . $this->_transactionNesting--; |
||
| 2402 | if ($this->fullDebug) { |
||
| 2403 | $this->logQuery($query); |
||
| 2404 | } |
||
| 2405 | $this->_connection->exec($query); |
||
| 2406 | return true; |
||
| 2407 | } |
||
| 2408 | |||
| 2409 | /**
|
||
| 2410 | * Returns the ID generated from the previous INSERT operation.
|
||
| 2411 | *
|
||
| 2412 | * @param mixed $source The source to get an id for.
|
||
| 2413 | * @return mixed
|
||
| 2414 | */
|
||
| 2415 | public function lastInsertId($source = null) { |
||
| 2416 | return $this->_connection->lastInsertId(); |
||
| 2417 | } |
||
| 2418 | |||
| 2419 | /**
|
||
| 2420 | * Creates a default set of conditions from the model if $conditions is null/empty.
|
||
| 2421 | * If conditions are supplied then they will be returned. If a model doesn't exist and no conditions
|
||
| 2422 | * were provided either null or false will be returned based on what was input.
|
||
| 2423 | *
|
||
| 2424 | * @param Model $Model The model to get conditions for.
|
||
| 2425 | * @param string|array|bool $conditions Array of conditions, conditions string, null or false. If an array of conditions,
|
||
| 2426 | * or string conditions those conditions will be returned. With other values the model's existence will be checked.
|
||
| 2427 | * If the model doesn't exist a null or false will be returned depending on the input value.
|
||
| 2428 | * @param bool $useAlias Use model aliases rather than table names when generating conditions
|
||
| 2429 | * @return mixed Either null, false, $conditions or an array of default conditions to use.
|
||
| 2430 | * @see DboSource::update()
|
||
| 2431 | * @see DboSource::conditions()
|
||
| 2432 | */
|
||
| 2433 | public function defaultConditions(Model $Model, $conditions, $useAlias = true) { |
||
| 2434 | if (!empty($conditions)) { |
||
| 2435 | return $conditions; |
||
| 2436 | } |
||
| 2437 | $exists = $Model->exists(); |
||
| 2438 | if (!$exists && ($conditions !== null || !empty($Model->__safeUpdateMode))) { |
||
| 2439 | return false; |
||
| 2440 | } elseif (!$exists) { |
||
| 2441 | return null; |
||
| 2442 | } |
||
| 2443 | $alias = $Model->alias; |
||
| 2444 | |||
| 2445 | if (!$useAlias) { |
||
| 2446 | $alias = $this->fullTableName($Model, false); |
||
| 2447 | } |
||
| 2448 | return array("{$alias}.{$Model->primaryKey}" => $Model->getID()); |
||
| 2449 | } |
||
| 2450 | |||
| 2451 | /**
|
||
| 2452 | * Returns a key formatted like a string Model.fieldname(i.e. Post.title, or Country.name)
|
||
| 2453 | *
|
||
| 2454 | * @param Model $Model The model to get a key for.
|
||
| 2455 | * @param string $key The key field.
|
||
| 2456 | * @param string $assoc The association name.
|
||
| 2457 | * @return string
|
||
| 2458 | */
|
||
| 2459 | public function resolveKey(Model $Model, $key, $assoc = null) { |
||
| 2460 | if (strpos('.', $key) !== false) { |
||
| 2461 | return $this->name($Model->alias) . '.' . $this->name($key); |
||
| 2462 | } |
||
| 2463 | return $key; |
||
| 2464 | } |
||
| 2465 | |||
| 2466 | /**
|
||
| 2467 | * Private helper method to remove query metadata in given data array.
|
||
| 2468 | *
|
||
| 2469 | * @param array $data The data to scrub.
|
||
| 2470 | * @return array
|
||
| 2471 | */
|
||
| 2472 | protected function _scrubQueryData($data) { |
||
| 2473 | static $base = null; |
||
| 2474 | if ($base === null) { |
||
| 2475 | $base = array_fill_keys(array('conditions', 'fields', 'joins', 'order', 'limit', 'offset', 'group'), array()); |
||
| 2476 | $base['callbacks'] = null; |
||
| 2477 | } |
||
| 2478 | return (array)$data + $base; |
||
| 2479 | } |
||
| 2480 | |||
| 2481 | /**
|
||
| 2482 | * Converts model virtual fields into sql expressions to be fetched later
|
||
| 2483 | *
|
||
| 2484 | * @param Model $Model The model to get virtual fields for.
|
||
| 2485 | * @param string $alias Alias table name
|
||
| 2486 | * @param array $fields virtual fields to be used on query
|
||
| 2487 | * @return array
|
||
| 2488 | */
|
||
| 2489 | protected function _constructVirtualFields(Model $Model, $alias, $fields) { |
||
| 2490 | $virtual = array(); |
||
| 2491 | foreach ($fields as $field) { |
||
| 2492 | $virtualField = $this->name($alias . $this->virtualFieldSeparator . $field); |
||
| 2493 | $expression = $this->_quoteFields($Model->getVirtualField($field)); |
||
| 2494 | $virtual[] = '(' . $expression . ") {$this->alias} {$virtualField}"; |
||
| 2495 | } |
||
| 2496 | return $virtual; |
||
| 2497 | } |
||
| 2498 | |||
| 2499 | /**
|
||
| 2500 | * Generates the fields list of an SQL query.
|
||
| 2501 | *
|
||
| 2502 | * @param Model $Model The model to get fields for.
|
||
| 2503 | * @param string $alias Alias table name
|
||
| 2504 | * @param mixed $fields The provided list of fields.
|
||
| 2505 | * @param bool $quote If false, returns fields array unquoted
|
||
| 2506 | * @return array
|
||
| 2507 | */
|
||
| 2508 | public function fields(Model $Model, $alias = null, $fields = array(), $quote = true) { |
||
| 2509 | if (empty($alias)) { |
||
| 2510 | $alias = $Model->alias; |
||
| 2511 | } |
||
| 2512 | $virtualFields = $Model->getVirtualField(); |
||
| 2513 | $cacheKey = array( |
||
| 2514 | $alias,
|
||
| 2515 | get_class($Model), |
||
| 2516 | $Model->alias,
|
||
| 2517 | $virtualFields,
|
||
| 2518 | $fields,
|
||
| 2519 | $quote,
|
||
| 2520 | ConnectionManager::getSourceName($this), |
||
| 2521 | $Model->schemaName,
|
||
| 2522 | $Model->table
|
||
| 2523 | ); |
||
| 2524 | $cacheKey = md5(serialize($cacheKey)); |
||
| 2525 | if ($return = $this->cacheMethod(__FUNCTION__, $cacheKey)) { |
||
| 2526 | return $return; |
||
| 2527 | } |
||
| 2528 | $allFields = empty($fields); |
||
| 2529 | if ($allFields) { |
||
| 2530 | $fields = array_keys($Model->schema()); |
||
| 2531 | } elseif (!is_array($fields)) { |
||
| 2532 | $fields = CakeText::tokenize($fields); |
||
| 2533 | } |
||
| 2534 | $fields = array_values(array_filter($fields)); |
||
| 2535 | $allFields = $allFields || in_array('*', $fields) || in_array($Model->alias . '.*', $fields); |
||
| 2536 | |||
| 2537 | $virtual = array(); |
||
| 2538 | if (!empty($virtualFields)) { |
||
| 2539 | $virtualKeys = array_keys($virtualFields); |
||
| 2540 | foreach ($virtualKeys as $field) { |
||
| 2541 | $virtualKeys[] = $Model->alias . '.' . $field; |
||
| 2542 | } |
||
| 2543 | $virtual = ($allFields) ? $virtualKeys : array_intersect($virtualKeys, $fields); |
||
| 2544 | foreach ($virtual as $i => $field) { |
||
| 2545 | if (strpos($field, '.') !== false) { |
||
| 2546 | $virtual[$i] = str_replace($Model->alias . '.', '', $field); |
||
| 2547 | } |
||
| 2548 | $fields = array_diff($fields, array($field)); |
||
| 2549 | } |
||
| 2550 | $fields = array_values($fields); |
||
| 2551 | } |
||
| 2552 | if (!$quote) { |
||
| 2553 | if (!empty($virtual)) { |
||
| 2554 | $fields = array_merge($fields, $this->_constructVirtualFields($Model, $alias, $virtual)); |
||
| 2555 | } |
||
| 2556 | return $fields; |
||
| 2557 | } |
||
| 2558 | $count = count($fields); |
||
| 2559 | |||
| 2560 | if ($count >= 1 && !in_array($fields[0], array('*', 'COUNT(*)'))) { |
||
| 2561 | for ($i = 0; $i < $count; $i++) { |
||
| 2562 | if (is_string($fields[$i]) && in_array($fields[$i], $virtual)) { |
||
| 2563 | unset($fields[$i]); |
||
| 2564 | continue;
|
||
| 2565 | } |
||
| 2566 | if (is_object($fields[$i]) && isset($fields[$i]->type) && $fields[$i]->type === 'expression') { |
||
| 2567 | $fields[$i] = $fields[$i]->value; |
||
| 2568 | } elseif (preg_match('/^\(.*\)\s' . $this->alias . '.*/i', $fields[$i])) { |
||
| 2569 | continue;
|
||
| 2570 | } elseif (!preg_match('/^.+\\(.*\\)/', $fields[$i])) { |
||
| 2571 | $prepend = ''; |
||
| 2572 | |||
| 2573 | if (strpos($fields[$i], 'DISTINCT') !== false) { |
||
| 2574 | $prepend = 'DISTINCT '; |
||
| 2575 | $fields[$i] = trim(str_replace('DISTINCT', '', $fields[$i])); |
||
| 2576 | } |
||
| 2577 | $dot = strpos($fields[$i], '.'); |
||
| 2578 | |||
| 2579 | if ($dot === false) { |
||
| 2580 | $prefix = !(
|
||
| 2581 | strpos($fields[$i], ' ') !== false || |
||
| 2582 | strpos($fields[$i], '(') !== false |
||
| 2583 | ); |
||
| 2584 | $fields[$i] = $this->name(($prefix ? $alias . '.' : '') . $fields[$i]); |
||
| 2585 | } else {
|
||
| 2586 | if (strpos($fields[$i], ',') === false) { |
||
| 2587 | $build = explode('.', $fields[$i]); |
||
| 2588 | if (!Hash::numeric($build)) { |
||
| 2589 | $fields[$i] = $this->name(implode('.', $build)); |
||
| 2590 | } |
||
| 2591 | } |
||
| 2592 | } |
||
| 2593 | $fields[$i] = $prepend . $fields[$i]; |
||
| 2594 | } elseif (preg_match('/\(([\.\w]+)\)/', $fields[$i], $field)) { |
||
| 2595 | if (isset($field[1])) { |
||
| 2596 | if (strpos($field[1], '.') === false) { |
||
| 2597 | $field[1] = $this->name($alias . '.' . $field[1]); |
||
| 2598 | } else {
|
||
| 2599 | $field[0] = explode('.', $field[1]); |
||
| 2600 | if (!Hash::numeric($field[0])) { |
||
| 2601 | $field[0] = implode('.', array_map(array(&$this, 'name'), $field[0])); |
||
| 2602 | $fields[$i] = preg_replace('/\(' . $field[1] . '\)/', '(' . $field[0] . ')', $fields[$i], 1); |
||
| 2603 | } |
||
| 2604 | } |
||
| 2605 | } |
||
| 2606 | } |
||
| 2607 | } |
||
| 2608 | } |
||
| 2609 | if (!empty($virtual)) { |
||
| 2610 | $fields = array_merge($fields, $this->_constructVirtualFields($Model, $alias, $virtual)); |
||
| 2611 | } |
||
| 2612 | return $this->cacheMethod(__FUNCTION__, $cacheKey, array_unique($fields)); |
||
| 2613 | } |
||
| 2614 | |||
| 2615 | /**
|
||
| 2616 | * Creates a WHERE clause by parsing given conditions data. If an array or string
|
||
| 2617 | * conditions are provided those conditions will be parsed and quoted. If a boolean
|
||
| 2618 | * is given it will be integer cast as condition. Null will return 1 = 1.
|
||
| 2619 | *
|
||
| 2620 | * Results of this method are stored in a memory cache. This improves performance, but
|
||
| 2621 | * because the method uses a hashing algorithm it can have collisions.
|
||
| 2622 | * Setting DboSource::$cacheMethods to false will disable the memory cache.
|
||
| 2623 | *
|
||
| 2624 | * @param mixed $conditions Array or string of conditions, or any value.
|
||
| 2625 | * @param bool $quoteValues If true, values should be quoted
|
||
| 2626 | * @param bool $where If true, "WHERE " will be prepended to the return value
|
||
| 2627 | * @param Model $Model A reference to the Model instance making the query
|
||
| 2628 | * @return string SQL fragment
|
||
| 2629 | */
|
||
| 2630 | public function conditions($conditions, $quoteValues = true, $where = true, Model $Model = null) { |
||
| 2631 | $clause = $out = ''; |
||
| 2632 | |||
| 2633 | if ($where) { |
||
| 2634 | $clause = ' WHERE '; |
||
| 2635 | } |
||
| 2636 | |||
| 2637 | if (is_array($conditions) && !empty($conditions)) { |
||
| 2638 | $out = $this->conditionKeysToString($conditions, $quoteValues, $Model); |
||
| 2639 | |||
| 2640 | if (empty($out)) { |
||
| 2641 | return $clause . ' 1 = 1'; |
||
| 2642 | } |
||
| 2643 | return $clause . implode(' AND ', $out); |
||
| 2644 | } |
||
| 2645 | |||
| 2646 | if (is_bool($conditions)) { |
||
| 2647 | return $clause . (int)$conditions . ' = 1'; |
||
| 2648 | } |
||
| 2649 | |||
| 2650 | if (empty($conditions) || trim($conditions) === '') { |
||
| 2651 | return $clause . '1 = 1'; |
||
| 2652 | } |
||
| 2653 | |||
| 2654 | $clauses = '/^WHERE\\x20|^GROUP\\x20BY\\x20|^HAVING\\x20|^ORDER\\x20BY\\x20/i'; |
||
| 2655 | |||
| 2656 | if (preg_match($clauses, $conditions)) { |
||
| 2657 | $clause = ''; |
||
| 2658 | } |
||
| 2659 | |||
| 2660 | $conditions = $this->_quoteFields($conditions); |
||
| 2661 | |||
| 2662 | return $clause . $conditions; |
||
| 2663 | } |
||
| 2664 | |||
| 2665 | /**
|
||
| 2666 | * Creates a WHERE clause by parsing given conditions array. Used by DboSource::conditions().
|
||
| 2667 | *
|
||
| 2668 | * @param array $conditions Array or string of conditions
|
||
| 2669 | * @param bool $quoteValues If true, values should be quoted
|
||
| 2670 | * @param Model $Model A reference to the Model instance making the query
|
||
| 2671 | * @return string SQL fragment
|
||
| 2672 | */
|
||
| 2673 | public function conditionKeysToString($conditions, $quoteValues = true, Model $Model = null) { |
||
| 2674 | $out = array(); |
||
| 2675 | $data = $columnType = null; |
||
| 2676 | $bool = array('and', 'or', 'not', 'and not', 'or not', 'xor', '||', '&&'); |
||
| 2677 | |||
| 2678 | foreach ($conditions as $key => $value) { |
||
| 2679 | $join = ' AND '; |
||
| 2680 | $not = null; |
||
| 2681 | |||
| 2682 | if (is_array($value)) { |
||
| 2683 | $valueInsert = (
|
||
| 2684 | !empty($value) && |
||
| 2685 | (substr_count($key, '?') === count($value) || substr_count($key, ':') === count($value)) |
||
| 2686 | ); |
||
| 2687 | } |
||
| 2688 | |||
| 2689 | if (is_numeric($key) && empty($value)) { |
||
| 2690 | continue;
|
||
| 2691 | } elseif (is_numeric($key) && is_string($value)) { |
||
| 2692 | $out[] = $this->_quoteFields($value); |
||
| 2693 | } elseif ((is_numeric($key) && is_array($value)) || in_array(strtolower(trim($key)), $bool)) { |
||
| 2694 | if (in_array(strtolower(trim($key)), $bool)) { |
||
| 2695 | $join = ' ' . strtoupper($key) . ' '; |
||
| 2696 | } else {
|
||
| 2697 | $key = $join; |
||
| 2698 | } |
||
| 2699 | $value = $this->conditionKeysToString($value, $quoteValues, $Model); |
||
| 2700 | |||
| 2701 | if (strpos($join, 'NOT') !== false) { |
||
| 2702 | if (strtoupper(trim($key)) === 'NOT') { |
||
| 2703 | $key = 'AND ' . trim($key); |
||
| 2704 | } |
||
| 2705 | $not = 'NOT '; |
||
| 2706 | } |
||
| 2707 | |||
| 2708 | if (empty($value)) { |
||
| 2709 | continue;
|
||
| 2710 | } |
||
| 2711 | |||
| 2712 | if (empty($value[1])) { |
||
| 2713 | if ($not) { |
||
| 2714 | $out[] = $not . '(' . $value[0] . ')'; |
||
| 2715 | } else {
|
||
| 2716 | $out[] = $value[0]; |
||
| 2717 | } |
||
| 2718 | } else {
|
||
| 2719 | $out[] = '(' . $not . '(' . implode(') ' . strtoupper($key) . ' (', $value) . '))'; |
||
| 2720 | } |
||
| 2721 | } else {
|
||
| 2722 | if (is_object($value) && isset($value->type)) { |
||
| 2723 | if ($value->type === 'identifier') { |
||
| 2724 | $data .= $this->name($key) . ' = ' . $this->name($value->value); |
||
| 2725 | } elseif ($value->type === 'expression') { |
||
| 2726 | if (is_numeric($key)) { |
||
| 2727 | $data .= $value->value; |
||
| 2728 | } else {
|
||
| 2729 | $data .= $this->name($key) . ' = ' . $value->value; |
||
| 2730 | } |
||
| 2731 | } |
||
| 2732 | } elseif (is_array($value) && !empty($value) && !$valueInsert) { |
||
| 2733 | $keys = array_keys($value); |
||
| 2734 | if ($keys === array_values($keys)) { |
||
| 2735 | $count = count($value); |
||
| 2736 | if ($count === 1 && !preg_match('/\s+(?:NOT|\!=)$/', $key)) { |
||
| 2737 | $data = $this->_quoteFields($key) . ' = ('; |
||
| 2738 | if ($quoteValues) { |
||
| 2739 | if ($Model !== null) { |
||
| 2740 | $columnType = $Model->getColumnType($key); |
||
| 2741 | } |
||
| 2742 | $data .= implode(', ', $this->value($value, $columnType)); |
||
| 2743 | } |
||
| 2744 | $data .= ')'; |
||
| 2745 | } else {
|
||
| 2746 | $data = $this->_parseKey($key, $value, $Model); |
||
| 2747 | } |
||
| 2748 | } else {
|
||
| 2749 | $ret = $this->conditionKeysToString($value, $quoteValues, $Model); |
||
| 2750 | if (count($ret) > 1) { |
||
| 2751 | $data = '(' . implode(') AND (', $ret) . ')'; |
||
| 2752 | } elseif (isset($ret[0])) { |
||
| 2753 | $data = $ret[0]; |
||
| 2754 | } |
||
| 2755 | } |
||
| 2756 | } elseif (is_numeric($key) && !empty($value)) { |
||
| 2757 | $data = $this->_quoteFields($value); |
||
| 2758 | } else {
|
||
| 2759 | $data = $this->_parseKey(trim($key), $value, $Model); |
||
| 2760 | } |
||
| 2761 | |||
| 2762 | if ($data) { |
||
| 2763 | $out[] = $data; |
||
| 2764 | $data = null; |
||
| 2765 | } |
||
| 2766 | } |
||
| 2767 | } |
||
| 2768 | return $out; |
||
| 2769 | } |
||
| 2770 | |||
| 2771 | /**
|
||
| 2772 | * Extracts a Model.field identifier and an SQL condition operator from a string, formats
|
||
| 2773 | * and inserts values, and composes them into an SQL snippet.
|
||
| 2774 | *
|
||
| 2775 | * @param string $key An SQL key snippet containing a field and optional SQL operator
|
||
| 2776 | * @param mixed $value The value(s) to be inserted in the string
|
||
| 2777 | * @param Model $Model Model object initiating the query
|
||
| 2778 | * @return string
|
||
| 2779 | */
|
||
| 2780 | protected function _parseKey($key, $value, Model $Model = null) { |
||
| 2781 | $operatorMatch = '/^(((' . implode(')|(', $this->_sqlOps); |
||
| 2782 | $operatorMatch .= ')\\x20?)|<[>=]?(?![^>]+>)\\x20?|[>=!]{1,3}(?!<)\\x20?)/is'; |
||
| 2783 | $bound = (strpos($key, '?') !== false || (is_array($value) && strpos($key, ':') !== false)); |
||
| 2784 | |||
| 2785 | $key = trim($key); |
||
| 2786 | if (strpos($key, ' ') === false) { |
||
| 2787 | $operator = '='; |
||
| 2788 | } else {
|
||
| 2789 | list($key, $operator) = explode(' ', $key, 2); |
||
| 2790 | |||
| 2791 | if (!preg_match($operatorMatch, trim($operator)) && strpos($operator, ' ') !== false) { |
||
| 2792 | $key = $key . ' ' . $operator; |
||
| 2793 | $split = strrpos($key, ' '); |
||
| 2794 | $operator = substr($key, $split); |
||
| 2795 | $key = substr($key, 0, $split); |
||
| 2796 | } |
||
| 2797 | } |
||
| 2798 | |||
| 2799 | $virtual = false; |
||
| 2800 | $type = null; |
||
| 2801 | |||
| 2802 | if ($Model !== null) { |
||
| 2803 | if ($Model->isVirtualField($key)) { |
||
| 2804 | $key = $this->_quoteFields($Model->getVirtualField($key)); |
||
| 2805 | $virtual = true; |
||
| 2806 | } |
||
| 2807 | |||
| 2808 | $type = $Model->getColumnType($key); |
||
| 2809 | } |
||
| 2810 | |||
| 2811 | $null = $value === null || (is_array($value) && empty($value)); |
||
| 2812 | |||
| 2813 | if (strtolower($operator) === 'not') { |
||
| 2814 | $data = $this->conditionKeysToString( |
||
| 2815 | array($operator => array($key => $value)), true, $Model |
||
| 2816 | ); |
||
| 2817 | return $data[0]; |
||
| 2818 | } |
||
| 2819 | |||
| 2820 | $value = $this->value($value, $type); |
||
| 2821 | |||
| 2822 | if (!$virtual && $key !== '?') { |
||
| 2823 | $isKey = (
|
||
| 2824 | strpos($key, '(') !== false || |
||
| 2825 | strpos($key, ')') !== false || |
||
| 2826 | strpos($key, '|') !== false |
||
| 2827 | ); |
||
| 2828 | $key = $isKey ? $this->_quoteFields($key) : $this->name($key); |
||
| 2829 | } |
||
| 2830 | |||
| 2831 | if ($bound) { |
||
| 2832 | return CakeText::insert($key . ' ' . trim($operator), $value); |
||
| 2833 | } |
||
| 2834 | |||
| 2835 | if (!preg_match($operatorMatch, trim($operator))) { |
||
| 2836 | $operator .= is_array($value) ? ' IN' : ' ='; |
||
| 2837 | } |
||
| 2838 | $operator = trim($operator); |
||
| 2839 | |||
| 2840 | if (is_array($value)) { |
||
| 2841 | $value = implode(', ', $value); |
||
| 2842 | |||
| 2843 | switch ($operator) { |
||
| 2844 | case '=': |
||
| 2845 | $operator = 'IN'; |
||
| 2846 | break;
|
||
| 2847 | case '!=': |
||
| 2848 | case '<>': |
||
| 2849 | $operator = 'NOT IN'; |
||
| 2850 | break;
|
||
| 2851 | } |
||
| 2852 | $value = "({$value})"; |
||
| 2853 | } elseif ($null || $value === 'NULL') { |
||
| 2854 | switch ($operator) { |
||
| 2855 | case '=': |
||
| 2856 | $operator = 'IS'; |
||
| 2857 | break;
|
||
| 2858 | case '!=': |
||
| 2859 | case '<>': |
||
| 2860 | $operator = 'IS NOT'; |
||
| 2861 | break;
|
||
| 2862 | } |
||
| 2863 | } |
||
| 2864 | if ($virtual) { |
||
| 2865 | return "({$key}) {$operator} {$value}"; |
||
| 2866 | } |
||
| 2867 | return "{$key} {$operator} {$value}"; |
||
| 2868 | } |
||
| 2869 | |||
| 2870 | /**
|
||
| 2871 | * Quotes Model.fields
|
||
| 2872 | *
|
||
| 2873 | * @param string $conditions The conditions to quote.
|
||
| 2874 | * @return string or false if no match
|
||
| 2875 | */
|
||
| 2876 | protected function _quoteFields($conditions) { |
||
| 2877 | $start = $end = null; |
||
| 2878 | $original = $conditions; |
||
| 2879 | |||
| 2880 | if (!empty($this->startQuote)) { |
||
| 2881 | $start = preg_quote($this->startQuote); |
||
| 2882 | } |
||
| 2883 | if (!empty($this->endQuote)) { |
||
| 2884 | $end = preg_quote($this->endQuote); |
||
| 2885 | } |
||
| 2886 | // Remove quotes and requote all the Model.field names.
|
||
| 2887 | $conditions = str_replace(array($start, $end), '', $conditions); |
||
| 2888 | $conditions = preg_replace_callback( |
||
| 2889 | '/(?:[\'\"][^\'\"\\\]*(?:\\\.[^\'\"\\\]*)*[\'\"])|([a-z0-9_][a-z0-9\\-_]*\\.[a-z0-9_][a-z0-9_\\-]*)/i',
|
||
| 2890 | array(&$this, '_quoteMatchedField'), |
||
| 2891 | $conditions
|
||
| 2892 | ); |
||
| 2893 | // Quote `table_name AS Alias`
|
||
| 2894 | $conditions = preg_replace( |
||
| 2895 | '/(\s[a-z0-9\\-_.' . $start . $end . ']*' . $end . ')\s+AS\s+([a-z0-9\\-_]+)/i', |
||
| 2896 | '\1 AS ' . $this->startQuote . '\2' . $this->endQuote, |
||
| 2897 | $conditions
|
||
| 2898 | ); |
||
| 2899 | if ($conditions !== null) { |
||
| 2900 | return $conditions; |
||
| 2901 | } |
||
| 2902 | return $original; |
||
| 2903 | } |
||
| 2904 | |||
| 2905 | /**
|
||
| 2906 | * Auxiliary function to quote matches `Model.fields` from a preg_replace_callback call
|
||
| 2907 | *
|
||
| 2908 | * @param string $match matched string
|
||
| 2909 | * @return string quoted string
|
||
| 2910 | */
|
||
| 2911 | protected function _quoteMatchedField($match) { |
||
| 2912 | if (is_numeric($match[0])) { |
||
| 2913 | return $match[0]; |
||
| 2914 | } |
||
| 2915 | return $this->name($match[0]); |
||
| 2916 | } |
||
| 2917 | |||
| 2918 | /**
|
||
| 2919 | * Returns a limit statement in the correct format for the particular database.
|
||
| 2920 | *
|
||
| 2921 | * @param int $limit Limit of results returned
|
||
| 2922 | * @param int $offset Offset from which to start results
|
||
| 2923 | * @return string SQL limit/offset statement
|
||
| 2924 | */
|
||
| 2925 | public function limit($limit, $offset = null) { |
||
| 2926 | if ($limit) { |
||
| 2927 | $rt = ' LIMIT'; |
||
| 2928 | |||
| 2929 | if ($offset) { |
||
| 2930 | $rt .= sprintf(' %u,', $offset); |
||
| 2931 | } |
||
| 2932 | |||
| 2933 | $rt .= sprintf(' %u', $limit); |
||
| 2934 | return $rt; |
||
| 2935 | } |
||
| 2936 | return null; |
||
| 2937 | } |
||
| 2938 | |||
| 2939 | /**
|
||
| 2940 | * Returns an ORDER BY clause as a string.
|
||
| 2941 | *
|
||
| 2942 | * @param array|string $keys Field reference, as a key (i.e. Post.title)
|
||
| 2943 | * @param string $direction Direction (ASC or DESC)
|
||
| 2944 | * @param Model $Model Model reference (used to look for virtual field)
|
||
| 2945 | * @return string ORDER BY clause
|
||
| 2946 | */
|
||
| 2947 | public function order($keys, $direction = 'ASC', Model $Model = null) { |
||
| 2948 | if (!is_array($keys)) { |
||
| 2949 | $keys = array($keys); |
||
| 2950 | } |
||
| 2951 | |||
| 2952 | $keys = array_filter($keys); |
||
| 2953 | |||
| 2954 | $result = array(); |
||
| 2955 | while (!empty($keys)) { |
||
| 2956 | list($key, $dir) = each($keys); |
||
| 2957 | array_shift($keys); |
||
| 2958 | |||
| 2959 | if (is_numeric($key)) { |
||
| 2960 | $key = $dir; |
||
| 2961 | $dir = $direction; |
||
| 2962 | } |
||
| 2963 | |||
| 2964 | if (is_string($key) && strpos($key, ',') !== false && !preg_match('/\(.+\,.+\)/', $key)) { |
||
| 2965 | $key = array_map('trim', explode(',', $key)); |
||
| 2966 | } |
||
| 2967 | |||
| 2968 | if (is_array($key)) { |
||
| 2969 | //Flatten the array
|
||
| 2970 | $key = array_reverse($key, true); |
||
| 2971 | foreach ($key as $k => $v) { |
||
| 2972 | if (is_numeric($k)) { |
||
| 2973 | array_unshift($keys, $v); |
||
| 2974 | } else {
|
||
| 2975 | $keys = array($k => $v) + $keys; |
||
| 2976 | } |
||
| 2977 | } |
||
| 2978 | continue;
|
||
| 2979 | } elseif (is_object($key) && isset($key->type) && $key->type === 'expression') { |
||
| 2980 | $result[] = $key->value; |
||
| 2981 | continue;
|
||
| 2982 | } |
||
| 2983 | |||
| 2984 | if (preg_match('/\\x20(ASC|DESC).*/i', $key, $_dir)) { |
||
| 2985 | $dir = $_dir[0]; |
||
| 2986 | $key = preg_replace('/\\x20(ASC|DESC).*/i', '', $key); |
||
| 2987 | } |
||
| 2988 | |||
| 2989 | $key = trim($key); |
||
| 2990 | |||
| 2991 | if ($Model !== null) { |
||
| 2992 | if ($Model->isVirtualField($key)) { |
||
| 2993 | $key = '(' . $this->_quoteFields($Model->getVirtualField($key)) . ')'; |
||
| 2994 | } |
||
| 2995 | |||
| 2996 | list($alias) = pluginSplit($key); |
||
| 2997 | |||
| 2998 | if ($alias !== $Model->alias && is_object($Model->{$alias}) && $Model->{$alias}->isVirtualField($key)) { |
||
| 2999 | $key = '(' . $this->_quoteFields($Model->{$alias}->getVirtualField($key)) . ')'; |
||
| 3000 | } |
||
| 3001 | } |
||
| 3002 | |||
| 3003 | if (strpos($key, '.')) { |
||
| 3004 | $key = preg_replace_callback('/([a-zA-Z0-9_-]{1,})\\.([a-zA-Z0-9_-]{1,})/', array(&$this, '_quoteMatchedField'), $key); |
||
| 3005 | } |
||
| 3006 | |||
| 3007 | if (!preg_match('/\s/', $key) && strpos($key, '.') === false) { |
||
| 3008 | $key = $this->name($key); |
||
| 3009 | } |
||
| 3010 | |||
| 3011 | $key .= ' ' . trim($dir); |
||
| 3012 | |||
| 3013 | $result[] = $key; |
||
| 3014 | } |
||
| 3015 | |||
| 3016 | if (!empty($result)) { |
||
| 3017 | return ' ORDER BY ' . implode(', ', $result); |
||
| 3018 | } |
||
| 3019 | |||
| 3020 | return ''; |
||
| 3021 | } |
||
| 3022 | |||
| 3023 | /**
|
||
| 3024 | * Create a GROUP BY SQL clause.
|
||
| 3025 | *
|
||
| 3026 | * @param string|array $fields Group By fields
|
||
| 3027 | * @param Model $Model The model to get group by fields for.
|
||
| 3028 | * @return string Group By clause or null.
|
||
| 3029 | */
|
||
| 3030 | public function group($fields, Model $Model = null) { |
||
| 3031 | if (empty($fields)) { |
||
| 3032 | return null; |
||
| 3033 | } |
||
| 3034 | |||
| 3035 | if (!is_array($fields)) { |
||
| 3036 | $fields = array($fields); |
||
| 3037 | } |
||
| 3038 | |||
| 3039 | if ($Model !== null) { |
||
| 3040 | foreach ($fields as $index => $key) { |
||
| 3041 | if ($Model->isVirtualField($key)) { |
||
| 3042 | $fields[$index] = '(' . $Model->getVirtualField($key) . ')'; |
||
| 3043 | } |
||
| 3044 | } |
||
| 3045 | } |
||
| 3046 | |||
| 3047 | $fields = implode(', ', $fields); |
||
| 3048 | |||
| 3049 | return ' GROUP BY ' . $this->_quoteFields($fields); |
||
| 3050 | } |
||
| 3051 | |||
| 3052 | /**
|
||
| 3053 | * Disconnects database, kills the connection and says the connection is closed.
|
||
| 3054 | *
|
||
| 3055 | * @return void
|
||
| 3056 | */
|
||
| 3057 | public function close() { |
||
| 3058 | $this->disconnect();
|
||
| 3059 | } |
||
| 3060 | |||
| 3061 | /**
|
||
| 3062 | * Checks if the specified table contains any record matching specified SQL
|
||
| 3063 | *
|
||
| 3064 | * @param Model $Model Model to search
|
||
| 3065 | * @param string $sql SQL WHERE clause (condition only, not the "WHERE" part)
|
||
| 3066 | * @return bool True if the table has a matching record, else false
|
||
| 3067 | */
|
||
| 3068 | public function hasAny(Model $Model, $sql) { |
||
| 3069 | $sql = $this->conditions($sql); |
||
| 3070 | $table = $this->fullTableName($Model); |
||
| 3071 | $alias = $this->alias . $this->name($Model->alias); |
||
| 3072 | $where = $sql ? "{$sql}" : ' WHERE 1 = 1'; |
||
| 3073 | $id = $Model->escapeField(); |
||
| 3074 | |||
| 3075 | $out = $this->fetchRow("SELECT COUNT({$id}) {$this->alias}count FROM {$table} {$alias}{$where}"); |
||
| 3076 | |||
| 3077 | if (is_array($out)) { |
||
| 3078 | return $out[0]['count']; |
||
| 3079 | } |
||
| 3080 | return false; |
||
| 3081 | } |
||
| 3082 | |||
| 3083 | /**
|
||
| 3084 | * Gets the length of a database-native column description, or null if no length
|
||
| 3085 | *
|
||
| 3086 | * @param string $real Real database-layer column type (i.e. "varchar(255)")
|
||
| 3087 | * @return mixed An integer or string representing the length of the column, or null for unknown length.
|
||
| 3088 | */
|
||
| 3089 | public function length($real) { |
||
| 3090 | if (!preg_match_all('/([\w\s]+)(?:\((\d+)(?:,(\d+))?\))?(\sunsigned)?(\szerofill)?/', $real, $result)) { |
||
| 3091 | $col = str_replace(array(')', 'unsigned'), '', $real); |
||
| 3092 | $limit = null; |
||
| 3093 | |||
| 3094 | if (strpos($col, '(') !== false) { |
||
| 3095 | list($col, $limit) = explode('(', $col); |
||
| 3096 | } |
||
| 3097 | if ($limit !== null) { |
||
| 3098 | return (int)$limit; |
||
| 3099 | } |
||
| 3100 | return null; |
||
| 3101 | } |
||
| 3102 | |||
| 3103 | $types = array( |
||
| 3104 | 'int' => 1, 'tinyint' => 1, 'smallint' => 1, 'mediumint' => 1, 'integer' => 1, 'bigint' => 1 |
||
| 3105 | ); |
||
| 3106 | |||
| 3107 | list($real, $type, $length, $offset, $sign) = $result; |
||
| 3108 | $typeArr = $type; |
||
| 3109 | $type = $type[0]; |
||
| 3110 | $length = $length[0]; |
||
| 3111 | $offset = $offset[0]; |
||
| 3112 | |||
| 3113 | $isFloat = in_array($type, array('dec', 'decimal', 'float', 'numeric', 'double')); |
||
| 3114 | if ($isFloat && $offset) { |
||
| 3115 | return $length . ',' . $offset; |
||
| 3116 | } |
||
| 3117 | |||
| 3118 | if (($real[0] == $type) && (count($real) === 1)) { |
||
| 3119 | return null; |
||
| 3120 | } |
||
| 3121 | |||
| 3122 | if (isset($types[$type])) { |
||
| 3123 | $length += $types[$type]; |
||
| 3124 | if (!empty($sign)) { |
||
| 3125 | $length--;
|
||
| 3126 | } |
||
| 3127 | } elseif (in_array($type, array('enum', 'set'))) { |
||
| 3128 | $length = 0; |
||
| 3129 | foreach ($typeArr as $key => $enumValue) { |
||
| 3130 | if ($key === 0) { |
||
| 3131 | continue;
|
||
| 3132 | } |
||
| 3133 | $tmpLength = strlen($enumValue); |
||
| 3134 | if ($tmpLength > $length) { |
||
| 3135 | $length = $tmpLength; |
||
| 3136 | } |
||
| 3137 | } |
||
| 3138 | } |
||
| 3139 | return (int)$length; |
||
| 3140 | } |
||
| 3141 | |||
| 3142 | /**
|
||
| 3143 | * Translates between PHP boolean values and Database (faked) boolean values
|
||
| 3144 | *
|
||
| 3145 | * @param mixed $data Value to be translated
|
||
| 3146 | * @param bool $quote Whether or not the field should be cast to a string.
|
||
| 3147 | * @return string|bool Converted boolean value
|
||
| 3148 | */
|
||
| 3149 | public function boolean($data, $quote = false) { |
||
| 3150 | if ($quote) { |
||
| 3151 | return !empty($data) ? '1' : '0'; |
||
| 3152 | } |
||
| 3153 | return !empty($data); |
||
| 3154 | } |
||
| 3155 | |||
| 3156 | /**
|
||
| 3157 | * Inserts multiple values into a table
|
||
| 3158 | *
|
||
| 3159 | * @param string $table The table being inserted into.
|
||
| 3160 | * @param array $fields The array of field/column names being inserted.
|
||
| 3161 | * @param array $values The array of values to insert. The values should
|
||
| 3162 | * be an array of rows. Each row should have values keyed by the column name.
|
||
| 3163 | * Each row must have the values in the same order as $fields.
|
||
| 3164 | * @return bool
|
||
| 3165 | */
|
||
| 3166 | public function insertMulti($table, $fields, $values) { |
||
| 3167 | $table = $this->fullTableName($table); |
||
| 3168 | $holder = implode(',', array_fill(0, count($fields), '?')); |
||
| 3169 | $fields = implode(', ', array_map(array(&$this, 'name'), $fields)); |
||
| 3170 | |||
| 3171 | $pdoMap = array( |
||
| 3172 | 'integer' => PDO::PARAM_INT, |
||
| 3173 | 'float' => PDO::PARAM_STR, |
||
| 3174 | 'boolean' => PDO::PARAM_BOOL, |
||
| 3175 | 'string' => PDO::PARAM_STR, |
||
| 3176 | 'text' => PDO::PARAM_STR |
||
| 3177 | ); |
||
| 3178 | $columnMap = array(); |
||
| 3179 | |||
| 3180 | $sql = "INSERT INTO {$table} ({$fields}) VALUES ({$holder})"; |
||
| 3181 | $statement = $this->_connection->prepare($sql); |
||
| 3182 | $this->begin();
|
||
| 3183 | |||
| 3184 | foreach ($values[key($values)] as $key => $val) { |
||
| 3185 | $type = $this->introspectType($val); |
||
| 3186 | $columnMap[$key] = $pdoMap[$type]; |
||
| 3187 | } |
||
| 3188 | |||
| 3189 | foreach ($values as $value) { |
||
| 3190 | $i = 1; |
||
| 3191 | foreach ($value as $col => $val) { |
||
| 3192 | $statement->bindValue($i, $val, $columnMap[$col]); |
||
| 3193 | $i += 1; |
||
| 3194 | } |
||
| 3195 | $statement->execute();
|
||
| 3196 | $statement->closeCursor();
|
||
| 3197 | |||
| 3198 | if ($this->fullDebug) { |
||
| 3199 | $this->logQuery($sql, $value); |
||
| 3200 | } |
||
| 3201 | } |
||
| 3202 | return $this->commit(); |
||
| 3203 | } |
||
| 3204 | |||
| 3205 | /**
|
||
| 3206 | * Reset a sequence based on the MAX() value of $column. Useful
|
||
| 3207 | * for resetting sequences after using insertMulti().
|
||
| 3208 | *
|
||
| 3209 | * This method should be implemented by datasources that require sequences to be used.
|
||
| 3210 | *
|
||
| 3211 | * @param string $table The name of the table to update.
|
||
| 3212 | * @param string $column The column to use when resetting the sequence value.
|
||
| 3213 | * @return bool Success.
|
||
| 3214 | */
|
||
| 3215 | public function resetSequence($table, $column) { |
||
| 3216 | } |
||
| 3217 | |||
| 3218 | /**
|
||
| 3219 | * Returns an array of the indexes in given datasource name.
|
||
| 3220 | *
|
||
| 3221 | * @param string $model Name of model to inspect
|
||
| 3222 | * @return array Fields in table. Keys are column and unique
|
||
| 3223 | */
|
||
| 3224 | public function index($model) { |
||
| 3225 | return array(); |
||
| 3226 | } |
||
| 3227 | |||
| 3228 | /**
|
||
| 3229 | * Generate a database-native schema for the given Schema object
|
||
| 3230 | *
|
||
| 3231 | * @param CakeSchema $schema An instance of a subclass of CakeSchema
|
||
| 3232 | * @param string $tableName Optional. If specified only the table name given will be generated.
|
||
| 3233 | * Otherwise, all tables defined in the schema are generated.
|
||
| 3234 | * @return string
|
||
| 3235 | */
|
||
| 3236 | public function createSchema($schema, $tableName = null) { |
||
| 3237 | if (!$schema instanceof CakeSchema) { |
||
| 3238 | trigger_error(__d('cake_dev', 'Invalid schema object'), E_USER_WARNING); |
||
| 3239 | return null; |
||
| 3240 | } |
||
| 3241 | $out = ''; |
||
| 3242 | |||
| 3243 | foreach ($schema->tables as $curTable => $columns) { |
||
| 3244 | if (!$tableName || $tableName === $curTable) { |
||
| 3245 | $cols = $indexes = $tableParameters = array(); |
||
| 3246 | $primary = null; |
||
| 3247 | $table = $this->fullTableName($curTable); |
||
| 3248 | |||
| 3249 | $primaryCount = 0; |
||
| 3250 | foreach ($columns as $col) { |
||
| 3251 | if (isset($col['key']) && $col['key'] === 'primary') { |
||
| 3252 | $primaryCount++;
|
||
| 3253 | } |
||
| 3254 | } |
||
| 3255 | |||
| 3256 | foreach ($columns as $name => $col) { |
||
| 3257 | if (is_string($col)) { |
||
| 3258 | $col = array('type' => $col); |
||
| 3259 | } |
||
| 3260 | $isPrimary = isset($col['key']) && $col['key'] === 'primary'; |
||
| 3261 | // Multi-column primary keys are not supported.
|
||
| 3262 | if ($isPrimary && $primaryCount > 1) { |
||
| 3263 | unset($col['key']); |
||
| 3264 | $isPrimary = false; |
||
| 3265 | } |
||
| 3266 | if ($isPrimary) { |
||
| 3267 | $primary = $name; |
||
| 3268 | } |
||
| 3269 | if ($name !== 'indexes' && $name !== 'tableParameters') { |
||
| 3270 | $col['name'] = $name; |
||
| 3271 | if (!isset($col['type'])) { |
||
| 3272 | $col['type'] = 'string'; |
||
| 3273 | } |
||
| 3274 | $cols[] = $this->buildColumn($col); |
||
| 3275 | } elseif ($name === 'indexes') { |
||
| 3276 | $indexes = array_merge($indexes, $this->buildIndex($col, $table)); |
||
| 3277 | } elseif ($name === 'tableParameters') { |
||
| 3278 | $tableParameters = array_merge($tableParameters, $this->buildTableParameters($col, $table)); |
||
| 3279 | } |
||
| 3280 | } |
||
| 3281 | if (!isset($columns['indexes']['PRIMARY']) && !empty($primary)) { |
||
| 3282 | $col = array('PRIMARY' => array('column' => $primary, 'unique' => 1)); |
||
| 3283 | $indexes = array_merge($indexes, $this->buildIndex($col, $table)); |
||
| 3284 | } |
||
| 3285 | $columns = $cols; |
||
| 3286 | $out .= $this->renderStatement('schema', compact('table', 'columns', 'indexes', 'tableParameters')) . "\n\n"; |
||
| 3287 | } |
||
| 3288 | } |
||
| 3289 | return $out; |
||
| 3290 | } |
||
| 3291 | |||
| 3292 | /**
|
||
| 3293 | * Generate an alter syntax from CakeSchema::compare()
|
||
| 3294 | *
|
||
| 3295 | * @param mixed $compare The comparison data.
|
||
| 3296 | * @param string $table The table name.
|
||
| 3297 | * @return bool
|
||
| 3298 | */
|
||
| 3299 | public function alterSchema($compare, $table = null) { |
||
| 3300 | return false; |
||
| 3301 | } |
||
| 3302 | |||
| 3303 | /**
|
||
| 3304 | * Generate a "drop table" statement for the given Schema object
|
||
| 3305 | *
|
||
| 3306 | * @param CakeSchema $schema An instance of a subclass of CakeSchema
|
||
| 3307 | * @param string $table Optional. If specified only the table name given will be generated.
|
||
| 3308 | * Otherwise, all tables defined in the schema are generated.
|
||
| 3309 | * @return string
|
||
| 3310 | */
|
||
| 3311 | public function dropSchema(CakeSchema $schema, $table = null) { |
||
| 3312 | $out = ''; |
||
| 3313 | |||
| 3314 | if ($table && array_key_exists($table, $schema->tables)) { |
||
| 3315 | return $this->_dropTable($table) . "\n"; |
||
| 3316 | } elseif ($table) { |
||
| 3317 | return $out; |
||
| 3318 | } |
||
| 3319 | |||
| 3320 | foreach (array_keys($schema->tables) as $curTable) { |
||
| 3321 | $out .= $this->_dropTable($curTable) . "\n"; |
||
| 3322 | } |
||
| 3323 | return $out; |
||
| 3324 | } |
||
| 3325 | |||
| 3326 | /**
|
||
| 3327 | * Generate a "drop table" statement for a single table
|
||
| 3328 | *
|
||
| 3329 | * @param type $table Name of the table to drop
|
||
| 3330 | * @return string Drop table SQL statement
|
||
| 3331 | */
|
||
| 3332 | protected function _dropTable($table) { |
||
| 3333 | return 'DROP TABLE ' . $this->fullTableName($table) . ";"; |
||
| 3334 | } |
||
| 3335 | |||
| 3336 | /**
|
||
| 3337 | * Generate a database-native column schema string
|
||
| 3338 | *
|
||
| 3339 | * @param array $column An array structured like the following: array('name' => 'value', 'type' => 'value'[, options]),
|
||
| 3340 | * where options can be 'default', 'length', or 'key'.
|
||
| 3341 | * @return string
|
||
| 3342 | */
|
||
| 3343 | public function buildColumn($column) { |
||
| 3344 | $name = $type = null; |
||
| 3345 | extract(array_merge(array('null' => true), $column)); |
||
| 3346 | |||
| 3347 | if (empty($name) || empty($type)) { |
||
| 3348 | trigger_error(__d('cake_dev', 'Column name or type not defined in schema'), E_USER_WARNING); |
||
| 3349 | return null; |
||
| 3350 | } |
||
| 3351 | |||
| 3352 | if (!isset($this->columns[$type])) { |
||
| 3353 | trigger_error(__d('cake_dev', 'Column type %s does not exist', $type), E_USER_WARNING); |
||
| 3354 | return null; |
||
| 3355 | } |
||
| 3356 | |||
| 3357 | $real = $this->columns[$type]; |
||
| 3358 | $out = $this->name($name) . ' ' . $real['name']; |
||
| 3359 | |||
| 3360 | if (isset($column['length'])) { |
||
| 3361 | $length = $column['length']; |
||
| 3362 | } elseif (isset($column['limit'])) { |
||
| 3363 | $length = $column['limit']; |
||
| 3364 | } elseif (isset($real['length'])) { |
||
| 3365 | $length = $real['length']; |
||
| 3366 | } elseif (isset($real['limit'])) { |
||
| 3367 | $length = $real['limit']; |
||
| 3368 | } |
||
| 3369 | if (isset($length)) { |
||
| 3370 | $out .= '(' . $length . ')'; |
||
| 3371 | } |
||
| 3372 | |||
| 3373 | if (($column['type'] === 'integer' || $column['type'] === 'float') && isset($column['default']) && $column['default'] === '') { |
||
| 3374 | $column['default'] = null; |
||
| 3375 | } |
||
| 3376 | $out = $this->_buildFieldParameters($out, $column, 'beforeDefault'); |
||
| 3377 | |||
| 3378 | if (isset($column['key']) && $column['key'] === 'primary' && ($type === 'integer' || $type === 'biginteger')) { |
||
| 3379 | $out .= ' ' . $this->columns['primary_key']['name']; |
||
| 3380 | } elseif (isset($column['key']) && $column['key'] === 'primary') { |
||
| 3381 | $out .= ' NOT NULL'; |
||
| 3382 | } elseif (isset($column['default']) && isset($column['null']) && $column['null'] === false) { |
||
| 3383 | $out .= ' DEFAULT ' . $this->value($column['default'], $type) . ' NOT NULL'; |
||
| 3384 | } elseif (isset($column['default'])) { |
||
| 3385 | $out .= ' DEFAULT ' . $this->value($column['default'], $type); |
||
| 3386 | } elseif ($type !== 'timestamp' && !empty($column['null'])) { |
||
| 3387 | $out .= ' DEFAULT NULL'; |
||
| 3388 | } elseif ($type === 'timestamp' && !empty($column['null'])) { |
||
| 3389 | $out .= ' NULL'; |
||
| 3390 | } elseif (isset($column['null']) && $column['null'] === false) { |
||
| 3391 | $out .= ' NOT NULL'; |
||
| 3392 | } |
||
| 3393 | if ($type === 'timestamp' && isset($column['default']) && strtolower($column['default']) === 'current_timestamp') { |
||
| 3394 | $out = str_replace(array("'CURRENT_TIMESTAMP'", "'current_timestamp'"), 'CURRENT_TIMESTAMP', $out); |
||
| 3395 | } |
||
| 3396 | return $this->_buildFieldParameters($out, $column, 'afterDefault'); |
||
| 3397 | } |
||
| 3398 | |||
| 3399 | /**
|
||
| 3400 | * Build the field parameters, in a position
|
||
| 3401 | *
|
||
| 3402 | * @param string $columnString The partially built column string
|
||
| 3403 | * @param array $columnData The array of column data.
|
||
| 3404 | * @param string $position The position type to use. 'beforeDefault' or 'afterDefault' are common
|
||
| 3405 | * @return string a built column with the field parameters added.
|
||
| 3406 | */
|
||
| 3407 | protected function _buildFieldParameters($columnString, $columnData, $position) { |
||
| 3408 | foreach ($this->fieldParameters as $paramName => $value) { |
||
| 3409 | if (isset($columnData[$paramName]) && $value['position'] == $position) { |
||
| 3410 | if (isset($value['options']) && !in_array($columnData[$paramName], $value['options'], true)) { |
||
| 3411 | continue;
|
||
| 3412 | } |
||
| 3413 | if (isset($value['types']) && !in_array($columnData['type'], $value['types'], true)) { |
||
| 3414 | continue;
|
||
| 3415 | } |
||
| 3416 | $val = $columnData[$paramName]; |
||
| 3417 | if ($value['quote']) { |
||
| 3418 | $val = $this->value($val); |
||
| 3419 | } |
||
| 3420 | $columnString .= ' ' . $value['value'] . (empty($value['noVal']) ? $value['join'] . $val : ''); |
||
| 3421 | } |
||
| 3422 | } |
||
| 3423 | return $columnString; |
||
| 3424 | } |
||
| 3425 | |||
| 3426 | /**
|
||
| 3427 | * Format indexes for create table.
|
||
| 3428 | *
|
||
| 3429 | * @param array $indexes The indexes to build
|
||
| 3430 | * @param string $table The table name.
|
||
| 3431 | * @return array
|
||
| 3432 | */
|
||
| 3433 | public function buildIndex($indexes, $table = null) { |
||
| 3434 | $join = array(); |
||
| 3435 | foreach ($indexes as $name => $value) { |
||
| 3436 | $out = ''; |
||
| 3437 | if ($name === 'PRIMARY') { |
||
| 3438 | $out .= 'PRIMARY '; |
||
| 3439 | $name = null; |
||
| 3440 | } else {
|
||
| 3441 | if (!empty($value['unique'])) { |
||
| 3442 | $out .= 'UNIQUE '; |
||
| 3443 | } |
||
| 3444 | $name = $this->startQuote . $name . $this->endQuote; |
||
| 3445 | } |
||
| 3446 | if (is_array($value['column'])) { |
||
| 3447 | $out .= 'KEY ' . $name . ' (' . implode(', ', array_map(array(&$this, 'name'), $value['column'])) . ')'; |
||
| 3448 | } else {
|
||
| 3449 | $out .= 'KEY ' . $name . ' (' . $this->name($value['column']) . ')'; |
||
| 3450 | } |
||
| 3451 | $join[] = $out; |
||
| 3452 | } |
||
| 3453 | return $join; |
||
| 3454 | } |
||
| 3455 | |||
| 3456 | /**
|
||
| 3457 | * Read additional table parameters
|
||
| 3458 | *
|
||
| 3459 | * @param string $name The table name to read.
|
||
| 3460 | * @return array
|
||
| 3461 | */
|
||
| 3462 | public function readTableParameters($name) { |
||
| 3463 | $parameters = array(); |
||
| 3464 | if (method_exists($this, 'listDetailedSources')) { |
||
| 3465 | $currentTableDetails = $this->listDetailedSources($name); |
||
| 3466 | foreach ($this->tableParameters as $paramName => $parameter) { |
||
| 3467 | if (!empty($parameter['column']) && !empty($currentTableDetails[$parameter['column']])) { |
||
| 3468 | $parameters[$paramName] = $currentTableDetails[$parameter['column']]; |
||
| 3469 | } |
||
| 3470 | } |
||
| 3471 | } |
||
| 3472 | return $parameters; |
||
| 3473 | } |
||
| 3474 | |||
| 3475 | /**
|
||
| 3476 | * Format parameters for create table
|
||
| 3477 | *
|
||
| 3478 | * @param array $parameters The parameters to create SQL for.
|
||
| 3479 | * @param string $table The table name.
|
||
| 3480 | * @return array
|
||
| 3481 | */
|
||
| 3482 | public function buildTableParameters($parameters, $table = null) { |
||
| 3483 | $result = array(); |
||
| 3484 | foreach ($parameters as $name => $value) { |
||
| 3485 | if (isset($this->tableParameters[$name])) { |
||
| 3486 | if ($this->tableParameters[$name]['quote']) { |
||
| 3487 | $value = $this->value($value); |
||
| 3488 | } |
||
| 3489 | $result[] = $this->tableParameters[$name]['value'] . $this->tableParameters[$name]['join'] . $value; |
||
| 3490 | } |
||
| 3491 | } |
||
| 3492 | return $result; |
||
| 3493 | } |
||
| 3494 | |||
| 3495 | /**
|
||
| 3496 | * Guesses the data type of an array
|
||
| 3497 | *
|
||
| 3498 | * @param string $value The value to introspect for type data.
|
||
| 3499 | * @return string
|
||
| 3500 | */
|
||
| 3501 | public function introspectType($value) { |
||
| 3502 | if (!is_array($value)) { |
||
| 3503 | if (is_bool($value)) { |
||
| 3504 | return 'boolean'; |
||
| 3505 | } |
||
| 3506 | if (is_float($value) && (float)$value === $value) { |
||
| 3507 | return 'float'; |
||
| 3508 | } |
||
| 3509 | if (is_int($value) && (int)$value === $value) { |
||
| 3510 | return 'integer'; |
||
| 3511 | } |
||
| 3512 | if (is_string($value) && strlen($value) > 255) { |
||
| 3513 | return 'text'; |
||
| 3514 | } |
||
| 3515 | return 'string'; |
||
| 3516 | } |
||
| 3517 | |||
| 3518 | $isAllFloat = $isAllInt = true; |
||
| 3519 | $containsInt = $containsString = false; |
||
| 3520 | foreach ($value as $valElement) { |
||
| 3521 | $valElement = trim($valElement); |
||
| 3522 | if (!is_float($valElement) && !preg_match('/^[\d]+\.[\d]+$/', $valElement)) { |
||
| 3523 | $isAllFloat = false; |
||
| 3524 | } else {
|
||
| 3525 | continue;
|
||
| 3526 | } |
||
| 3527 | if (!is_int($valElement) && !preg_match('/^[\d]+$/', $valElement)) { |
||
| 3528 | $isAllInt = false; |
||
| 3529 | } else {
|
||
| 3530 | $containsInt = true; |
||
| 3531 | continue;
|
||
| 3532 | } |
||
| 3533 | $containsString = true; |
||
| 3534 | } |
||
| 3535 | |||
| 3536 | if ($isAllFloat) { |
||
| 3537 | return 'float'; |
||
| 3538 | } |
||
| 3539 | if ($isAllInt) { |
||
| 3540 | return 'integer'; |
||
| 3541 | } |
||
| 3542 | |||
| 3543 | if ($containsInt && !$containsString) { |
||
| 3544 | return 'integer'; |
||
| 3545 | } |
||
| 3546 | return 'string'; |
||
| 3547 | } |
||
| 3548 | |||
| 3549 | /**
|
||
| 3550 | * Writes a new key for the in memory sql query cache
|
||
| 3551 | *
|
||
| 3552 | * @param string $sql SQL query
|
||
| 3553 | * @param mixed $data result of $sql query
|
||
| 3554 | * @param array $params query params bound as values
|
||
| 3555 | * @return void
|
||
| 3556 | */
|
||
| 3557 | protected function _writeQueryCache($sql, $data, $params = array()) { |
||
| 3558 | if (preg_match('/^\s*select/i', $sql)) { |
||
| 3559 | $this->_queryCache[$sql][serialize($params)] = $data; |
||
| 3560 | } |
||
| 3561 | } |
||
| 3562 | |||
| 3563 | /**
|
||
| 3564 | * Returns the result for a sql query if it is already cached
|
||
| 3565 | *
|
||
| 3566 | * @param string $sql SQL query
|
||
| 3567 | * @param array $params query params bound as values
|
||
| 3568 | * @return mixed results for query if it is cached, false otherwise
|
||
| 3569 | */
|
||
| 3570 | public function getQueryCache($sql, $params = array()) { |
||
| 3571 | if (isset($this->_queryCache[$sql]) && preg_match('/^\s*select/i', $sql)) { |
||
| 3572 | $serialized = serialize($params); |
||
| 3573 | if (isset($this->_queryCache[$sql][$serialized])) { |
||
| 3574 | return $this->_queryCache[$sql][$serialized]; |
||
| 3575 | } |
||
| 3576 | } |
||
| 3577 | return false; |
||
| 3578 | } |
||
| 3579 | |||
| 3580 | /**
|
||
| 3581 | * Used for storing in cache the results of the in-memory methodCache
|
||
| 3582 | */
|
||
| 3583 | public function __destruct() { |
||
| 3584 | if ($this->_methodCacheChange) { |
||
| 3585 | Cache::write('method_cache', static::$methodCache, '_cake_core_'); |
||
| 3586 | } |
||
| 3587 | parent::__destruct();
|
||
| 3588 | } |
||
| 3589 | |||
| 3590 | } |