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1515 lines
48 KiB
PHP
1515 lines
48 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Db
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* @subpackage Table
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Abstract.php 17822 2009-08-26 00:03:56Z ralph $
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*/
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/**
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* @see Zend_Db_Adapter_Abstract
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*/
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require_once 'Zend/Db/Adapter/Abstract.php';
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/**
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* @see Zend_Db_Adapter_Abstract
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*/
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require_once 'Zend/Db/Select.php';
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/**
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* @see Zend_Db
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*/
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require_once 'Zend/Db.php';
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/**
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* Class for SQL table interface.
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*
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* @category Zend
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* @package Zend_Db
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* @subpackage Table
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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abstract class Zend_Db_Table_Abstract
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{
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const ADAPTER = 'db';
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const DEFINITION = 'definition';
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const DEFINITION_CONFIG_NAME = 'definitionConfigName';
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const SCHEMA = 'schema';
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const NAME = 'name';
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const PRIMARY = 'primary';
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const COLS = 'cols';
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const METADATA = 'metadata';
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const METADATA_CACHE = 'metadataCache';
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const METADATA_CACHE_IN_CLASS = 'metadataCacheInClass';
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const ROW_CLASS = 'rowClass';
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const ROWSET_CLASS = 'rowsetClass';
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const REFERENCE_MAP = 'referenceMap';
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const DEPENDENT_TABLES = 'dependentTables';
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const SEQUENCE = 'sequence';
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const COLUMNS = 'columns';
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const REF_TABLE_CLASS = 'refTableClass';
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const REF_COLUMNS = 'refColumns';
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const ON_DELETE = 'onDelete';
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const ON_UPDATE = 'onUpdate';
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const CASCADE = 'cascade';
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const RESTRICT = 'restrict';
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const SET_NULL = 'setNull';
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const DEFAULT_NONE = 'defaultNone';
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const DEFAULT_CLASS = 'defaultClass';
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const DEFAULT_DB = 'defaultDb';
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const SELECT_WITH_FROM_PART = true;
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const SELECT_WITHOUT_FROM_PART = false;
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/**
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* Default Zend_Db_Adapter_Abstract object.
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*
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* @var Zend_Db_Adapter_Abstract
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*/
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protected static $_defaultDb;
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/**
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* Optional Zend_Db_Table_Definition object
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*
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* @var unknown_type
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*/
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protected $_definition = null;
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/**
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* Optional definition config name used in concrete implementation
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*
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* @var string
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*/
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protected $_definitionConfigName = null;
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/**
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* Default cache for information provided by the adapter's describeTable() method.
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*
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* @var Zend_Cache_Core
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*/
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protected static $_defaultMetadataCache = null;
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/**
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* Zend_Db_Adapter_Abstract object.
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*
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* @var Zend_Db_Adapter_Abstract
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*/
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protected $_db;
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/**
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* The schema name (default null means current schema)
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*
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* @var array
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*/
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protected $_schema = null;
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/**
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* The table name.
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*
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* @var string
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*/
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protected $_name = null;
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/**
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* The table column names derived from Zend_Db_Adapter_Abstract::describeTable().
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*
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* @var array
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*/
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protected $_cols;
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/**
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* The primary key column or columns.
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* A compound key should be declared as an array.
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* You may declare a single-column primary key
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* as a string.
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*
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* @var mixed
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*/
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protected $_primary = null;
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/**
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* If your primary key is a compound key, and one of the columns uses
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* an auto-increment or sequence-generated value, set _identity
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* to the ordinal index in the $_primary array for that column.
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* Note this index is the position of the column in the primary key,
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* not the position of the column in the table. The primary key
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* array is 1-based.
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*
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* @var integer
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*/
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protected $_identity = 1;
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/**
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* Define the logic for new values in the primary key.
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* May be a string, boolean true, or boolean false.
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*
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* @var mixed
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*/
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protected $_sequence = true;
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/**
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* Information provided by the adapter's describeTable() method.
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*
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* @var array
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*/
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protected $_metadata = array();
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/**
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* Cache for information provided by the adapter's describeTable() method.
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*
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* @var Zend_Cache_Core
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*/
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protected $_metadataCache = null;
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/**
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* Flag: whether or not to cache metadata in the class
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* @var bool
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*/
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protected $_metadataCacheInClass = true;
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/**
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* Classname for row
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*
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* @var string
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*/
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protected $_rowClass = 'Zend_Db_Table_Row';
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/**
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* Classname for rowset
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*
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* @var string
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*/
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protected $_rowsetClass = 'Zend_Db_Table_Rowset';
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/**
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* Associative array map of declarative referential integrity rules.
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* This array has one entry per foreign key in the current table.
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* Each key is a mnemonic name for one reference rule.
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*
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* Each value is also an associative array, with the following keys:
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* - columns = array of names of column(s) in the child table.
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* - refTableClass = class name of the parent table.
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* - refColumns = array of names of column(s) in the parent table,
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* in the same order as those in the 'columns' entry.
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* - onDelete = "cascade" means that a delete in the parent table also
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* causes a delete of referencing rows in the child table.
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* - onUpdate = "cascade" means that an update of primary key values in
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* the parent table also causes an update of referencing
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* rows in the child table.
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*
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* @var array
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*/
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protected $_referenceMap = array();
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/**
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* Simple array of class names of tables that are "children" of the current
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* table, in other words tables that contain a foreign key to this one.
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* Array elements are not table names; they are class names of classes that
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* extend Zend_Db_Table_Abstract.
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*
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* @var array
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*/
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protected $_dependentTables = array();
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protected $_defaultSource = self::DEFAULT_NONE;
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protected $_defaultValues = array();
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/**
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* Constructor.
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*
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* Supported params for $config are:
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* - db = user-supplied instance of database connector,
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* or key name of registry instance.
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* - name = table name.
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* - primary = string or array of primary key(s).
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* - rowClass = row class name.
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* - rowsetClass = rowset class name.
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* - referenceMap = array structure to declare relationship
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* to parent tables.
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* - dependentTables = array of child tables.
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* - metadataCache = cache for information from adapter describeTable().
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*
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* @param mixed $config Array of user-specified config options, or just the Db Adapter.
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* @return void
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*/
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public function __construct($config = array())
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{
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/**
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* Allow a scalar argument to be the Adapter object or Registry key.
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*/
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if (!is_array($config)) {
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$config = array(self::ADAPTER => $config);
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}
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if ($config) {
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$this->setOptions($config);
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}
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$this->_setup();
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$this->init();
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}
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/**
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* setOptions()
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*
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* @param array $options
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* @return Zend_Db_Table_Abstract
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*/
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public function setOptions(Array $options)
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{
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foreach ($options as $key => $value) {
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switch ($key) {
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case self::ADAPTER:
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$this->_setAdapter($value);
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break;
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case self::DEFINITION:
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$this->setDefinition($value);
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break;
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case self::DEFINITION_CONFIG_NAME:
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$this->setDefinitionConfigName($value);
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break;
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case self::SCHEMA:
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$this->_schema = (string) $value;
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break;
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case self::NAME:
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$this->_name = (string) $value;
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break;
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case self::PRIMARY:
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$this->_primary = (array) $value;
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break;
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case self::ROW_CLASS:
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$this->setRowClass($value);
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break;
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case self::ROWSET_CLASS:
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$this->setRowsetClass($value);
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break;
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case self::REFERENCE_MAP:
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$this->setReferences($value);
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break;
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case self::DEPENDENT_TABLES:
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$this->setDependentTables($value);
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break;
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case self::METADATA_CACHE:
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$this->_setMetadataCache($value);
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break;
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case self::METADATA_CACHE_IN_CLASS:
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$this->setMetadataCacheInClass($value);
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break;
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case self::SEQUENCE:
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$this->_setSequence($value);
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break;
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default:
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// ignore unrecognized configuration directive
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break;
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}
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}
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return $this;
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}
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/**
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* setDefinition()
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*
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* @param Zend_Db_Table_Definition $definition
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* @return Zend_Db_Table_Abstract
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*/
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public function setDefinition(Zend_Db_Table_Definition $definition)
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{
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$this->_definition = $definition;
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return $this;
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}
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/**
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* getDefinition()
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*
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* @return Zend_Db_Table_Definition|null
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*/
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public function getDefinition()
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{
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return $this->_definition;
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}
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/**
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* setDefinitionConfigName()
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*
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* @param string $definition
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* @return Zend_Db_Table_Abstract
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*/
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public function setDefinitionConfigName($definitionConfigName)
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{
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$this->_definitionConfigName = $definitionConfigName;
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return $this;
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}
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/**
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* getDefinitionConfigName()
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*
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* @return string
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*/
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public function getDefinitionConfigName()
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{
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return $this->_definitionConfigName;
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}
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/**
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* @param string $classname
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* @return Zend_Db_Table_Abstract Provides a fluent interface
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*/
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public function setRowClass($classname)
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{
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$this->_rowClass = (string) $classname;
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return $this;
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}
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/**
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* @return string
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*/
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public function getRowClass()
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{
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return $this->_rowClass;
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}
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/**
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* @param string $classname
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* @return Zend_Db_Table_Abstract Provides a fluent interface
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*/
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public function setRowsetClass($classname)
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{
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$this->_rowsetClass = (string) $classname;
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return $this;
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}
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/**
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* @return string
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*/
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public function getRowsetClass()
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{
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return $this->_rowsetClass;
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}
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/**
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* Add a reference to the reference map
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*
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* @param string $ruleKey
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* @param string|array $columns
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* @param string $refTableClass
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* @param string|array $refColumns
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* @param string $onDelete
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* @param string $onUpdate
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* @return Zend_Db_Table_Abstract
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*/
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public function addReference($ruleKey, $columns, $refTableClass, $refColumns,
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$onDelete = null, $onUpdate = null)
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{
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$reference = array(self::COLUMNS => (array) $columns,
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self::REF_TABLE_CLASS => $refTableClass,
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self::REF_COLUMNS => (array) $refColumns);
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if (!empty($onDelete)) {
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$reference[self::ON_DELETE] = $onDelete;
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}
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if (!empty($onUpdate)) {
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$reference[self::ON_UPDATE] = $onUpdate;
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}
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$this->_referenceMap[$ruleKey] = $reference;
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return $this;
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}
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/**
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* @param array $referenceMap
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* @return Zend_Db_Table_Abstract Provides a fluent interface
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*/
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public function setReferences(array $referenceMap)
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{
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$this->_referenceMap = $referenceMap;
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return $this;
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}
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/**
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* @param string $tableClassname
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* @param string $ruleKey OPTIONAL
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* @return array
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* @throws Zend_Db_Table_Exception
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*/
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public function getReference($tableClassname, $ruleKey = null)
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{
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$thisClass = get_class($this);
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if ($thisClass === 'Zend_Db_Table') {
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$thisClass = $this->_definitionConfigName;
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}
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$refMap = $this->_getReferenceMapNormalized();
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if ($ruleKey !== null) {
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if (!isset($refMap[$ruleKey])) {
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require_once "Zend/Db/Table/Exception.php";
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throw new Zend_Db_Table_Exception("No reference rule \"$ruleKey\" from table $thisClass to table $tableClassname");
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}
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if ($refMap[$ruleKey][self::REF_TABLE_CLASS] != $tableClassname) {
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require_once "Zend/Db/Table/Exception.php";
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throw new Zend_Db_Table_Exception("Reference rule \"$ruleKey\" does not reference table $tableClassname");
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}
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return $refMap[$ruleKey];
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}
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foreach ($refMap as $reference) {
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if ($reference[self::REF_TABLE_CLASS] == $tableClassname) {
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return $reference;
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}
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}
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require_once "Zend/Db/Table/Exception.php";
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throw new Zend_Db_Table_Exception("No reference from table $thisClass to table $tableClassname");
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}
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/**
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* @param array $dependentTables
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* @return Zend_Db_Table_Abstract Provides a fluent interface
|
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*/
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public function setDependentTables(array $dependentTables)
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{
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$this->_dependentTables = $dependentTables;
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return $this;
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}
|
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|
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/**
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* @return array
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*/
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public function getDependentTables()
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{
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return $this->_dependentTables;
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}
|
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|
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/**
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* set the defaultSource property - this tells the table class where to find default values
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*
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* @param string $defaultSource
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* @return Zend_Db_Table_Abstract
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*/
|
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public function setDefaultSource($defaultSource = self::DEFAULT_NONE)
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{
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if (!in_array($defaultSource, array(self::DEFAULT_CLASS, self::DEFAULT_DB, self::DEFAULT_NONE))) {
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$defaultSource = self::DEFAULT_NONE;
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}
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$this->_defaultSource = $defaultSource;
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return $this;
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}
|
|
|
|
/**
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* returns the default source flag that determines where defaultSources come from
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*
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* @return unknown
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*/
|
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public function getDefaultSource()
|
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{
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return $this->_defaultSource;
|
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}
|
|
|
|
/**
|
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* set the default values for the table class
|
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*
|
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* @param array $defaultValues
|
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* @return Zend_Db_Table_Abstract
|
|
*/
|
|
public function setDefaultValues(Array $defaultValues)
|
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{
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foreach ($defaultValues as $defaultName => $defaultValue) {
|
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if (array_key_exists($defaultName, $this->_metadata)) {
|
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$this->_defaultValues[$defaultName] = $defaultValue;
|
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}
|
|
}
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return $this;
|
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}
|
|
|
|
public function getDefaultValues()
|
|
{
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return $this->_defaultValues;
|
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}
|
|
|
|
|
|
/**
|
|
* Sets the default Zend_Db_Adapter_Abstract for all Zend_Db_Table objects.
|
|
*
|
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* @param mixed $db Either an Adapter object, or a string naming a Registry key
|
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* @return void
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*/
|
|
public static function setDefaultAdapter($db = null)
|
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{
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self::$_defaultDb = self::_setupAdapter($db);
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}
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|
|
/**
|
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* Gets the default Zend_Db_Adapter_Abstract for all Zend_Db_Table objects.
|
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*
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* @return Zend_Db_Adapter_Abstract or null
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*/
|
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public static function getDefaultAdapter()
|
|
{
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return self::$_defaultDb;
|
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}
|
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|
|
/**
|
|
* @param mixed $db Either an Adapter object, or a string naming a Registry key
|
|
* @return Zend_Db_Table_Abstract Provides a fluent interface
|
|
*/
|
|
protected function _setAdapter($db)
|
|
{
|
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$this->_db = self::_setupAdapter($db);
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return $this;
|
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}
|
|
|
|
/**
|
|
* Gets the Zend_Db_Adapter_Abstract for this particular Zend_Db_Table object.
|
|
*
|
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* @return Zend_Db_Adapter_Abstract
|
|
*/
|
|
public function getAdapter()
|
|
{
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return $this->_db;
|
|
}
|
|
|
|
/**
|
|
* @param mixed $db Either an Adapter object, or a string naming a Registry key
|
|
* @return Zend_Db_Adapter_Abstract
|
|
* @throws Zend_Db_Table_Exception
|
|
*/
|
|
protected static function _setupAdapter($db)
|
|
{
|
|
if ($db === null) {
|
|
return null;
|
|
}
|
|
if (is_string($db)) {
|
|
require_once 'Zend/Registry.php';
|
|
$db = Zend_Registry::get($db);
|
|
}
|
|
if (!$db instanceof Zend_Db_Adapter_Abstract) {
|
|
require_once 'Zend/Db/Table/Exception.php';
|
|
throw new Zend_Db_Table_Exception('Argument must be of type Zend_Db_Adapter_Abstract, or a Registry key where a Zend_Db_Adapter_Abstract object is stored');
|
|
}
|
|
return $db;
|
|
}
|
|
|
|
/**
|
|
* Sets the default metadata cache for information returned by Zend_Db_Adapter_Abstract::describeTable().
|
|
*
|
|
* If $defaultMetadataCache is null, then no metadata cache is used by default.
|
|
*
|
|
* @param mixed $metadataCache Either a Cache object, or a string naming a Registry key
|
|
* @return void
|
|
*/
|
|
public static function setDefaultMetadataCache($metadataCache = null)
|
|
{
|
|
self::$_defaultMetadataCache = self::_setupMetadataCache($metadataCache);
|
|
}
|
|
|
|
/**
|
|
* Gets the default metadata cache for information returned by Zend_Db_Adapter_Abstract::describeTable().
|
|
*
|
|
* @return Zend_Cache_Core or null
|
|
*/
|
|
public static function getDefaultMetadataCache()
|
|
{
|
|
return self::$_defaultMetadataCache;
|
|
}
|
|
|
|
/**
|
|
* Sets the metadata cache for information returned by Zend_Db_Adapter_Abstract::describeTable().
|
|
*
|
|
* If $metadataCache is null, then no metadata cache is used. Since there is no opportunity to reload metadata
|
|
* after instantiation, this method need not be public, particularly because that it would have no effect
|
|
* results in unnecessary API complexity. To configure the metadata cache, use the metadataCache configuration
|
|
* option for the class constructor upon instantiation.
|
|
*
|
|
* @param mixed $metadataCache Either a Cache object, or a string naming a Registry key
|
|
* @return Zend_Db_Table_Abstract Provides a fluent interface
|
|
*/
|
|
protected function _setMetadataCache($metadataCache)
|
|
{
|
|
$this->_metadataCache = self::_setupMetadataCache($metadataCache);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Gets the metadata cache for information returned by Zend_Db_Adapter_Abstract::describeTable().
|
|
*
|
|
* @return Zend_Cache_Core or null
|
|
*/
|
|
public function getMetadataCache()
|
|
{
|
|
return $this->_metadataCache;
|
|
}
|
|
|
|
/**
|
|
* Indicate whether metadata should be cached in the class for the duration
|
|
* of the instance
|
|
*
|
|
* @param bool $flag
|
|
* @return Zend_Db_Table_Abstract
|
|
*/
|
|
public function setMetadataCacheInClass($flag)
|
|
{
|
|
$this->_metadataCacheInClass = (bool) $flag;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Retrieve flag indicating if metadata should be cached for duration of
|
|
* instance
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function metadataCacheInClass()
|
|
{
|
|
return $this->_metadataCacheInClass;
|
|
}
|
|
|
|
/**
|
|
* @param mixed $metadataCache Either a Cache object, or a string naming a Registry key
|
|
* @return Zend_Cache_Core
|
|
* @throws Zend_Db_Table_Exception
|
|
*/
|
|
protected static function _setupMetadataCache($metadataCache)
|
|
{
|
|
if ($metadataCache === null) {
|
|
return null;
|
|
}
|
|
if (is_string($metadataCache)) {
|
|
require_once 'Zend/Registry.php';
|
|
$metadataCache = Zend_Registry::get($metadataCache);
|
|
}
|
|
if (!$metadataCache instanceof Zend_Cache_Core) {
|
|
require_once 'Zend/Db/Table/Exception.php';
|
|
throw new Zend_Db_Table_Exception('Argument must be of type Zend_Cache_Core, or a Registry key where a Zend_Cache_Core object is stored');
|
|
}
|
|
return $metadataCache;
|
|
}
|
|
|
|
/**
|
|
* Sets the sequence member, which defines the behavior for generating
|
|
* primary key values in new rows.
|
|
* - If this is a string, then the string names the sequence object.
|
|
* - If this is boolean true, then the key uses an auto-incrementing
|
|
* or identity mechanism.
|
|
* - If this is boolean false, then the key is user-defined.
|
|
* Use this for natural keys, for example.
|
|
*
|
|
* @param mixed $sequence
|
|
* @return Zend_Db_Table_Adapter_Abstract Provides a fluent interface
|
|
*/
|
|
protected function _setSequence($sequence)
|
|
{
|
|
$this->_sequence = $sequence;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Turnkey for initialization of a table object.
|
|
* Calls other protected methods for individual tasks, to make it easier
|
|
* for a subclass to override part of the setup logic.
|
|
*
|
|
* @return void
|
|
*/
|
|
protected function _setup()
|
|
{
|
|
$this->_setupDatabaseAdapter();
|
|
$this->_setupTableName();
|
|
}
|
|
|
|
/**
|
|
* Initialize database adapter.
|
|
*
|
|
* @return void
|
|
*/
|
|
protected function _setupDatabaseAdapter()
|
|
{
|
|
if (! $this->_db) {
|
|
$this->_db = self::getDefaultAdapter();
|
|
if (!$this->_db instanceof Zend_Db_Adapter_Abstract) {
|
|
require_once 'Zend/Db/Table/Exception.php';
|
|
throw new Zend_Db_Table_Exception('No adapter found for ' . get_class($this));
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Initialize table and schema names.
|
|
*
|
|
* If the table name is not set in the class definition,
|
|
* use the class name itself as the table name.
|
|
*
|
|
* A schema name provided with the table name (e.g., "schema.table") overrides
|
|
* any existing value for $this->_schema.
|
|
*
|
|
* @return void
|
|
*/
|
|
protected function _setupTableName()
|
|
{
|
|
if (! $this->_name) {
|
|
$this->_name = get_class($this);
|
|
} else if (strpos($this->_name, '.')) {
|
|
list($this->_schema, $this->_name) = explode('.', $this->_name);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Initializes metadata.
|
|
*
|
|
* If metadata cannot be loaded from cache, adapter's describeTable() method is called to discover metadata
|
|
* information. Returns true if and only if the metadata are loaded from cache.
|
|
*
|
|
* @return boolean
|
|
* @throws Zend_Db_Table_Exception
|
|
*/
|
|
protected function _setupMetadata()
|
|
{
|
|
if ($this->metadataCacheInClass() && (count($this->_metadata) > 0)) {
|
|
return true;
|
|
}
|
|
|
|
// Assume that metadata will be loaded from cache
|
|
$isMetadataFromCache = true;
|
|
|
|
// If $this has no metadata cache but the class has a default metadata cache
|
|
if (null === $this->_metadataCache && null !== self::$_defaultMetadataCache) {
|
|
// Make $this use the default metadata cache of the class
|
|
$this->_setMetadataCache(self::$_defaultMetadataCache);
|
|
}
|
|
|
|
// If $this has a metadata cache
|
|
if (null !== $this->_metadataCache) {
|
|
// Define the cache identifier where the metadata are saved
|
|
|
|
//get db configuration
|
|
$dbConfig = $this->_db->getConfig();
|
|
|
|
// Define the cache identifier where the metadata are saved
|
|
$cacheId = md5( // port:host/dbname:schema.table (based on availabilty)
|
|
(isset($dbConfig['options']['port']) ? ':'.$dbConfig['options']['port'] : null)
|
|
. (isset($dbConfig['options']['host']) ? ':'.$dbConfig['options']['host'] : null)
|
|
. '/'.$dbConfig['dbname'].':'.$this->_schema.'.'.$this->_name
|
|
);
|
|
}
|
|
|
|
// If $this has no metadata cache or metadata cache misses
|
|
if (null === $this->_metadataCache || !($metadata = $this->_metadataCache->load($cacheId))) {
|
|
// Metadata are not loaded from cache
|
|
$isMetadataFromCache = false;
|
|
// Fetch metadata from the adapter's describeTable() method
|
|
$metadata = $this->_db->describeTable($this->_name, $this->_schema);
|
|
// If $this has a metadata cache, then cache the metadata
|
|
if (null !== $this->_metadataCache && !$this->_metadataCache->save($metadata, $cacheId)) {
|
|
/**
|
|
* @see Zend_Db_Table_Exception
|
|
*/
|
|
require_once 'Zend/Db/Table/Exception.php';
|
|
throw new Zend_Db_Table_Exception('Failed saving metadata to metadataCache');
|
|
}
|
|
}
|
|
|
|
// Assign the metadata to $this
|
|
$this->_metadata = $metadata;
|
|
|
|
// Return whether the metadata were loaded from cache
|
|
return $isMetadataFromCache;
|
|
}
|
|
|
|
/**
|
|
* Retrieve table columns
|
|
*
|
|
* @return array
|
|
*/
|
|
protected function _getCols()
|
|
{
|
|
if (null === $this->_cols) {
|
|
$this->_setupMetadata();
|
|
$this->_cols = array_keys($this->_metadata);
|
|
}
|
|
return $this->_cols;
|
|
}
|
|
|
|
/**
|
|
* Initialize primary key from metadata.
|
|
* If $_primary is not defined, discover primary keys
|
|
* from the information returned by describeTable().
|
|
*
|
|
* @return void
|
|
* @throws Zend_Db_Table_Exception
|
|
*/
|
|
protected function _setupPrimaryKey()
|
|
{
|
|
if (!$this->_primary) {
|
|
$this->_setupMetadata();
|
|
$this->_primary = array();
|
|
foreach ($this->_metadata as $col) {
|
|
if ($col['PRIMARY']) {
|
|
$this->_primary[ $col['PRIMARY_POSITION'] ] = $col['COLUMN_NAME'];
|
|
if ($col['IDENTITY']) {
|
|
$this->_identity = $col['PRIMARY_POSITION'];
|
|
}
|
|
}
|
|
}
|
|
// if no primary key was specified and none was found in the metadata
|
|
// then throw an exception.
|
|
if (empty($this->_primary)) {
|
|
require_once 'Zend/Db/Table/Exception.php';
|
|
throw new Zend_Db_Table_Exception('A table must have a primary key, but none was found');
|
|
}
|
|
} else if (!is_array($this->_primary)) {
|
|
$this->_primary = array(1 => $this->_primary);
|
|
} else if (isset($this->_primary[0])) {
|
|
array_unshift($this->_primary, null);
|
|
unset($this->_primary[0]);
|
|
}
|
|
|
|
$cols = $this->_getCols();
|
|
if (! array_intersect((array) $this->_primary, $cols) == (array) $this->_primary) {
|
|
require_once 'Zend/Db/Table/Exception.php';
|
|
throw new Zend_Db_Table_Exception("Primary key column(s) ("
|
|
. implode(',', (array) $this->_primary)
|
|
. ") are not columns in this table ("
|
|
. implode(',', $cols)
|
|
. ")");
|
|
}
|
|
|
|
$primary = (array) $this->_primary;
|
|
$pkIdentity = $primary[(int) $this->_identity];
|
|
|
|
/**
|
|
* Special case for PostgreSQL: a SERIAL key implicitly uses a sequence
|
|
* object whose name is "<table>_<column>_seq".
|
|
*/
|
|
if ($this->_sequence === true && $this->_db instanceof Zend_Db_Adapter_Pdo_Pgsql) {
|
|
$this->_sequence = $this->_db->quoteIdentifier("{$this->_name}_{$pkIdentity}_seq");
|
|
if ($this->_schema) {
|
|
$this->_sequence = $this->_db->quoteIdentifier($this->_schema) . '.' . $this->_sequence;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns a normalized version of the reference map
|
|
*
|
|
* @return array
|
|
*/
|
|
protected function _getReferenceMapNormalized()
|
|
{
|
|
$referenceMapNormalized = array();
|
|
|
|
foreach ($this->_referenceMap as $rule => $map) {
|
|
|
|
$referenceMapNormalized[$rule] = array();
|
|
|
|
foreach ($map as $key => $value) {
|
|
switch ($key) {
|
|
|
|
// normalize COLUMNS and REF_COLUMNS to arrays
|
|
case self::COLUMNS:
|
|
case self::REF_COLUMNS:
|
|
if (!is_array($value)) {
|
|
$referenceMapNormalized[$rule][$key] = array($value);
|
|
} else {
|
|
$referenceMapNormalized[$rule][$key] = $value;
|
|
}
|
|
break;
|
|
|
|
// other values are copied as-is
|
|
default:
|
|
$referenceMapNormalized[$rule][$key] = $value;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $referenceMapNormalized;
|
|
}
|
|
|
|
/**
|
|
* Initialize object
|
|
*
|
|
* Called from {@link __construct()} as final step of object instantiation.
|
|
*
|
|
* @return void
|
|
*/
|
|
public function init()
|
|
{
|
|
}
|
|
|
|
/**
|
|
* Returns table information.
|
|
*
|
|
* You can elect to return only a part of this information by supplying its key name,
|
|
* otherwise all information is returned as an array.
|
|
*
|
|
* @param $key The specific info part to return OPTIONAL
|
|
* @return mixed
|
|
*/
|
|
public function info($key = null)
|
|
{
|
|
$this->_setupPrimaryKey();
|
|
|
|
$info = array(
|
|
self::SCHEMA => $this->_schema,
|
|
self::NAME => $this->_name,
|
|
self::COLS => $this->_getCols(),
|
|
self::PRIMARY => (array) $this->_primary,
|
|
self::METADATA => $this->_metadata,
|
|
self::ROW_CLASS => $this->getRowClass(),
|
|
self::ROWSET_CLASS => $this->getRowsetClass(),
|
|
self::REFERENCE_MAP => $this->_referenceMap,
|
|
self::DEPENDENT_TABLES => $this->_dependentTables,
|
|
self::SEQUENCE => $this->_sequence
|
|
);
|
|
|
|
if ($key === null) {
|
|
return $info;
|
|
}
|
|
|
|
if (!array_key_exists($key, $info)) {
|
|
require_once 'Zend/Db/Table/Exception.php';
|
|
throw new Zend_Db_Table_Exception('There is no table information for the key "' . $key . '"');
|
|
}
|
|
|
|
return $info[$key];
|
|
}
|
|
|
|
/**
|
|
* Returns an instance of a Zend_Db_Table_Select object.
|
|
*
|
|
* @param bool $withFromPart Whether or not to include the from part of the select based on the table
|
|
* @return Zend_Db_Table_Select
|
|
*/
|
|
public function select($withFromPart = self::SELECT_WITHOUT_FROM_PART)
|
|
{
|
|
require_once 'Zend/Db/Table/Select.php';
|
|
$select = new Zend_Db_Table_Select($this);
|
|
if ($withFromPart == self::SELECT_WITH_FROM_PART) {
|
|
$select->from($this->info(self::NAME), Zend_Db_Table_Select::SQL_WILDCARD, $this->info(self::SCHEMA));
|
|
}
|
|
return $select;
|
|
}
|
|
|
|
/**
|
|
* Inserts a new row.
|
|
*
|
|
* @param array $data Column-value pairs.
|
|
* @return mixed The primary key of the row inserted.
|
|
*/
|
|
public function insert(array $data)
|
|
{
|
|
$this->_setupPrimaryKey();
|
|
|
|
/**
|
|
* Zend_Db_Table assumes that if you have a compound primary key
|
|
* and one of the columns in the key uses a sequence,
|
|
* it's the _first_ column in the compound key.
|
|
*/
|
|
$primary = (array) $this->_primary;
|
|
$pkIdentity = $primary[(int)$this->_identity];
|
|
|
|
/**
|
|
* If this table uses a database sequence object and the data does not
|
|
* specify a value, then get the next ID from the sequence and add it
|
|
* to the row. We assume that only the first column in a compound
|
|
* primary key takes a value from a sequence.
|
|
*/
|
|
if (is_string($this->_sequence) && !isset($data[$pkIdentity])) {
|
|
$data[$pkIdentity] = $this->_db->nextSequenceId($this->_sequence);
|
|
}
|
|
|
|
/**
|
|
* If the primary key can be generated automatically, and no value was
|
|
* specified in the user-supplied data, then omit it from the tuple.
|
|
*/
|
|
if (array_key_exists($pkIdentity, $data) && $data[$pkIdentity] === null) {
|
|
unset($data[$pkIdentity]);
|
|
}
|
|
|
|
/**
|
|
* INSERT the new row.
|
|
*/
|
|
$tableSpec = ($this->_schema ? $this->_schema . '.' : '') . $this->_name;
|
|
$this->_db->insert($tableSpec, $data);
|
|
|
|
/**
|
|
* Fetch the most recent ID generated by an auto-increment
|
|
* or IDENTITY column, unless the user has specified a value,
|
|
* overriding the auto-increment mechanism.
|
|
*/
|
|
if ($this->_sequence === true && !isset($data[$pkIdentity])) {
|
|
$data[$pkIdentity] = $this->_db->lastInsertId();
|
|
}
|
|
|
|
/**
|
|
* Return the primary key value if the PK is a single column,
|
|
* else return an associative array of the PK column/value pairs.
|
|
*/
|
|
$pkData = array_intersect_key($data, array_flip($primary));
|
|
if (count($primary) == 1) {
|
|
reset($pkData);
|
|
return current($pkData);
|
|
}
|
|
|
|
return $pkData;
|
|
}
|
|
|
|
/**
|
|
* Check if the provided column is an identity of the table
|
|
*
|
|
* @param string $column
|
|
* @throws Zend_Db_Table_Exception
|
|
* @return boolean
|
|
*/
|
|
public function isIdentity($column)
|
|
{
|
|
$this->_setupPrimaryKey();
|
|
|
|
if (!isset($this->_metadata[$column])) {
|
|
/**
|
|
* @see Zend_Db_Table_Exception
|
|
*/
|
|
require_once 'Zend/Db/Table/Exception.php';
|
|
|
|
throw new Zend_Db_Table_Exception('Column "' . $column . '" not found in table.');
|
|
}
|
|
|
|
return (bool) $this->_metadata[$column]['IDENTITY'];
|
|
}
|
|
|
|
/**
|
|
* Updates existing rows.
|
|
*
|
|
* @param array $data Column-value pairs.
|
|
* @param array|string $where An SQL WHERE clause, or an array of SQL WHERE clauses.
|
|
* @return int The number of rows updated.
|
|
*/
|
|
public function update(array $data, $where)
|
|
{
|
|
$tableSpec = ($this->_schema ? $this->_schema . '.' : '') . $this->_name;
|
|
return $this->_db->update($tableSpec, $data, $where);
|
|
}
|
|
|
|
/**
|
|
* Called by a row object for the parent table's class during save() method.
|
|
*
|
|
* @param string $parentTableClassname
|
|
* @param array $oldPrimaryKey
|
|
* @param array $newPrimaryKey
|
|
* @return int
|
|
*/
|
|
public function _cascadeUpdate($parentTableClassname, array $oldPrimaryKey, array $newPrimaryKey)
|
|
{
|
|
$this->_setupMetadata();
|
|
$rowsAffected = 0;
|
|
foreach ($this->_getReferenceMapNormalized() as $map) {
|
|
if ($map[self::REF_TABLE_CLASS] == $parentTableClassname && isset($map[self::ON_UPDATE])) {
|
|
switch ($map[self::ON_UPDATE]) {
|
|
case self::CASCADE:
|
|
$newRefs = array();
|
|
$where = array();
|
|
for ($i = 0; $i < count($map[self::COLUMNS]); ++$i) {
|
|
$col = $this->_db->foldCase($map[self::COLUMNS][$i]);
|
|
$refCol = $this->_db->foldCase($map[self::REF_COLUMNS][$i]);
|
|
if (array_key_exists($refCol, $newPrimaryKey)) {
|
|
$newRefs[$col] = $newPrimaryKey[$refCol];
|
|
}
|
|
$type = $this->_metadata[$col]['DATA_TYPE'];
|
|
$where[] = $this->_db->quoteInto(
|
|
$this->_db->quoteIdentifier($col, true) . ' = ?',
|
|
$oldPrimaryKey[$refCol], $type);
|
|
}
|
|
$rowsAffected += $this->update($newRefs, $where);
|
|
break;
|
|
default:
|
|
// no action
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return $rowsAffected;
|
|
}
|
|
|
|
/**
|
|
* Deletes existing rows.
|
|
*
|
|
* @param array|string $where SQL WHERE clause(s).
|
|
* @return int The number of rows deleted.
|
|
*/
|
|
public function delete($where)
|
|
{
|
|
$tableSpec = ($this->_schema ? $this->_schema . '.' : '') . $this->_name;
|
|
return $this->_db->delete($tableSpec, $where);
|
|
}
|
|
|
|
/**
|
|
* Called by parent table's class during delete() method.
|
|
*
|
|
* @param string $parentTableClassname
|
|
* @param array $primaryKey
|
|
* @return int Number of affected rows
|
|
*/
|
|
public function _cascadeDelete($parentTableClassname, array $primaryKey)
|
|
{
|
|
$this->_setupMetadata();
|
|
$rowsAffected = 0;
|
|
foreach ($this->_getReferenceMapNormalized() as $map) {
|
|
if ($map[self::REF_TABLE_CLASS] == $parentTableClassname && isset($map[self::ON_DELETE])) {
|
|
switch ($map[self::ON_DELETE]) {
|
|
case self::CASCADE:
|
|
$where = array();
|
|
for ($i = 0; $i < count($map[self::COLUMNS]); ++$i) {
|
|
$col = $this->_db->foldCase($map[self::COLUMNS][$i]);
|
|
$refCol = $this->_db->foldCase($map[self::REF_COLUMNS][$i]);
|
|
$type = $this->_metadata[$col]['DATA_TYPE'];
|
|
$where[] = $this->_db->quoteInto(
|
|
$this->_db->quoteIdentifier($col, true) . ' = ?',
|
|
$primaryKey[$refCol], $type);
|
|
}
|
|
$rowsAffected += $this->delete($where);
|
|
break;
|
|
default:
|
|
// no action
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return $rowsAffected;
|
|
}
|
|
|
|
/**
|
|
* Fetches rows by primary key. The argument specifies one or more primary
|
|
* key value(s). To find multiple rows by primary key, the argument must
|
|
* be an array.
|
|
*
|
|
* This method accepts a variable number of arguments. If the table has a
|
|
* multi-column primary key, the number of arguments must be the same as
|
|
* the number of columns in the primary key. To find multiple rows in a
|
|
* table with a multi-column primary key, each argument must be an array
|
|
* with the same number of elements.
|
|
*
|
|
* The find() method always returns a Rowset object, even if only one row
|
|
* was found.
|
|
*
|
|
* @param mixed $key The value(s) of the primary keys.
|
|
* @return Zend_Db_Table_Rowset_Abstract Row(s) matching the criteria.
|
|
* @throws Zend_Db_Table_Exception
|
|
*/
|
|
public function find()
|
|
{
|
|
$this->_setupPrimaryKey();
|
|
$args = func_get_args();
|
|
$keyNames = array_values((array) $this->_primary);
|
|
|
|
if (count($args) < count($keyNames)) {
|
|
require_once 'Zend/Db/Table/Exception.php';
|
|
throw new Zend_Db_Table_Exception("Too few columns for the primary key");
|
|
}
|
|
|
|
if (count($args) > count($keyNames)) {
|
|
require_once 'Zend/Db/Table/Exception.php';
|
|
throw new Zend_Db_Table_Exception("Too many columns for the primary key");
|
|
}
|
|
|
|
$whereList = array();
|
|
$numberTerms = 0;
|
|
foreach ($args as $keyPosition => $keyValues) {
|
|
$keyValuesCount = count($keyValues);
|
|
// Coerce the values to an array.
|
|
// Don't simply typecast to array, because the values
|
|
// might be Zend_Db_Expr objects.
|
|
if (!is_array($keyValues)) {
|
|
$keyValues = array($keyValues);
|
|
}
|
|
if ($numberTerms == 0) {
|
|
$numberTerms = $keyValuesCount;
|
|
} else if ($keyValuesCount != $numberTerms) {
|
|
require_once 'Zend/Db/Table/Exception.php';
|
|
throw new Zend_Db_Table_Exception("Missing value(s) for the primary key");
|
|
}
|
|
$keyValues = array_values($keyValues);
|
|
for ($i = 0; $i < $keyValuesCount; ++$i) {
|
|
if (!isset($whereList[$i])) {
|
|
$whereList[$i] = array();
|
|
}
|
|
$whereList[$i][$keyPosition] = $keyValues[$i];
|
|
}
|
|
}
|
|
|
|
$whereClause = null;
|
|
if (count($whereList)) {
|
|
$whereOrTerms = array();
|
|
$tableName = $this->_db->quoteTableAs($this->_name, null, true);
|
|
foreach ($whereList as $keyValueSets) {
|
|
$whereAndTerms = array();
|
|
foreach ($keyValueSets as $keyPosition => $keyValue) {
|
|
$type = $this->_metadata[$keyNames[$keyPosition]]['DATA_TYPE'];
|
|
$columnName = $this->_db->quoteIdentifier($keyNames[$keyPosition], true);
|
|
$whereAndTerms[] = $this->_db->quoteInto(
|
|
$tableName . '.' . $columnName . ' = ?',
|
|
$keyValue, $type);
|
|
}
|
|
$whereOrTerms[] = '(' . implode(' AND ', $whereAndTerms) . ')';
|
|
}
|
|
$whereClause = '(' . implode(' OR ', $whereOrTerms) . ')';
|
|
}
|
|
|
|
// issue ZF-5775 (empty where clause should return empty rowset)
|
|
if ($whereClause == null) {
|
|
$rowsetClass = $this->getRowsetClass();
|
|
if (!class_exists($rowsetClass)) {
|
|
require_once 'Zend/Loader.php';
|
|
Zend_Loader::loadClass($rowsetClass);
|
|
}
|
|
return new $rowsetClass(array('table' => $this, 'rowClass' => $this->getRowClass(), 'stored' => true));
|
|
}
|
|
|
|
return $this->fetchAll($whereClause);
|
|
}
|
|
|
|
/**
|
|
* Fetches all rows.
|
|
*
|
|
* Honors the Zend_Db_Adapter fetch mode.
|
|
*
|
|
* @param string|array|Zend_Db_Table_Select $where OPTIONAL An SQL WHERE clause or Zend_Db_Table_Select object.
|
|
* @param string|array $order OPTIONAL An SQL ORDER clause.
|
|
* @param int $count OPTIONAL An SQL LIMIT count.
|
|
* @param int $offset OPTIONAL An SQL LIMIT offset.
|
|
* @return Zend_Db_Table_Rowset_Abstract The row results per the Zend_Db_Adapter fetch mode.
|
|
*/
|
|
public function fetchAll($where = null, $order = null, $count = null, $offset = null)
|
|
{
|
|
if (!($where instanceof Zend_Db_Table_Select)) {
|
|
$select = $this->select();
|
|
|
|
if ($where !== null) {
|
|
$this->_where($select, $where);
|
|
}
|
|
|
|
if ($order !== null) {
|
|
$this->_order($select, $order);
|
|
}
|
|
|
|
if ($count !== null || $offset !== null) {
|
|
$select->limit($count, $offset);
|
|
}
|
|
|
|
} else {
|
|
$select = $where;
|
|
}
|
|
|
|
$rows = $this->_fetch($select);
|
|
|
|
$data = array(
|
|
'table' => $this,
|
|
'data' => $rows,
|
|
'readOnly' => $select->isReadOnly(),
|
|
'rowClass' => $this->getRowClass(),
|
|
'stored' => true
|
|
);
|
|
|
|
$rowsetClass = $this->getRowsetClass();
|
|
if (!class_exists($rowsetClass)) {
|
|
require_once 'Zend/Loader.php';
|
|
Zend_Loader::loadClass($rowsetClass);
|
|
}
|
|
return new $rowsetClass($data);
|
|
}
|
|
|
|
/**
|
|
* Fetches one row in an object of type Zend_Db_Table_Row_Abstract,
|
|
* or returns null if no row matches the specified criteria.
|
|
*
|
|
* @param string|array|Zend_Db_Table_Select $where OPTIONAL An SQL WHERE clause or Zend_Db_Table_Select object.
|
|
* @param string|array $order OPTIONAL An SQL ORDER clause.
|
|
* @return Zend_Db_Table_Row_Abstract|null The row results per the
|
|
* Zend_Db_Adapter fetch mode, or null if no row found.
|
|
*/
|
|
public function fetchRow($where = null, $order = null)
|
|
{
|
|
if (!($where instanceof Zend_Db_Table_Select)) {
|
|
$select = $this->select();
|
|
|
|
if ($where !== null) {
|
|
$this->_where($select, $where);
|
|
}
|
|
|
|
if ($order !== null) {
|
|
$this->_order($select, $order);
|
|
}
|
|
|
|
$select->limit(1);
|
|
|
|
} else {
|
|
$select = $where->limit(1);
|
|
}
|
|
|
|
$rows = $this->_fetch($select);
|
|
|
|
if (count($rows) == 0) {
|
|
return null;
|
|
}
|
|
|
|
$data = array(
|
|
'table' => $this,
|
|
'data' => $rows[0],
|
|
'readOnly' => $select->isReadOnly(),
|
|
'stored' => true
|
|
);
|
|
|
|
$rowClass = $this->getRowClass();
|
|
if (!class_exists($rowClass)) {
|
|
require_once 'Zend/Loader.php';
|
|
Zend_Loader::loadClass($rowClass);
|
|
}
|
|
return new $rowClass($data);
|
|
}
|
|
|
|
/**
|
|
* Fetches a new blank row (not from the database).
|
|
*
|
|
* @return Zend_Db_Table_Row_Abstract
|
|
* @deprecated since 0.9.3 - use createRow() instead.
|
|
*/
|
|
public function fetchNew()
|
|
{
|
|
return $this->createRow();
|
|
}
|
|
|
|
/**
|
|
* Fetches a new blank row (not from the database).
|
|
*
|
|
* @param array $data OPTIONAL data to populate in the new row.
|
|
* @param string $defaultSource OPTIONAL flag to force default values into new row
|
|
* @return Zend_Db_Table_Row_Abstract
|
|
*/
|
|
public function createRow(array $data = array(), $defaultSource = null)
|
|
{
|
|
$cols = $this->_getCols();
|
|
$defaults = array_combine($cols, array_fill(0, count($cols), null));
|
|
|
|
// nothing provided at call-time, take the class value
|
|
if ($defaultSource == null) {
|
|
$defaultSource = $this->_defaultSource;
|
|
}
|
|
|
|
if (!in_array($defaultSource, array(self::DEFAULT_CLASS, self::DEFAULT_DB, self::DEFAULT_NONE))) {
|
|
$defaultSource = self::DEFAULT_NONE;
|
|
}
|
|
|
|
if ($defaultSource == self::DEFAULT_DB) {
|
|
foreach ($this->_metadata as $metadataName => $metadata) {
|
|
if (($metadata['DEFAULT'] != null) &&
|
|
($metadata['NULLABLE'] !== true || ($metadata['NULLABLE'] === true && isset($this->_defaultValues[$metadataName]) && $this->_defaultValues[$metadataName] === true)) &&
|
|
(!(isset($this->_defaultValues[$metadataName]) && $this->_defaultValues[$metadataName] === false))) {
|
|
$defaults[$metadataName] = $metadata['DEFAULT'];
|
|
}
|
|
}
|
|
} elseif ($defaultSource == self::DEFAULT_CLASS && $this->_defaultValues) {
|
|
foreach ($this->_defaultValues as $defaultName => $defaultValue) {
|
|
if (array_key_exists($defaultName, $defaults)) {
|
|
$defaults[$defaultName] = $defaultValue;
|
|
}
|
|
}
|
|
}
|
|
|
|
$config = array(
|
|
'table' => $this,
|
|
'data' => $defaults,
|
|
'readOnly' => false,
|
|
'stored' => false
|
|
);
|
|
|
|
$rowClass = $this->getRowClass();
|
|
if (!class_exists($rowClass)) {
|
|
require_once 'Zend/Loader.php';
|
|
Zend_Loader::loadClass($rowClass);
|
|
}
|
|
$row = new $rowClass($config);
|
|
$row->setFromArray($data);
|
|
return $row;
|
|
}
|
|
|
|
/**
|
|
* Generate WHERE clause from user-supplied string or array
|
|
*
|
|
* @param string|array $where OPTIONAL An SQL WHERE clause.
|
|
* @return Zend_Db_Table_Select
|
|
*/
|
|
protected function _where(Zend_Db_Table_Select $select, $where)
|
|
{
|
|
$where = (array) $where;
|
|
|
|
foreach ($where as $key => $val) {
|
|
// is $key an int?
|
|
if (is_int($key)) {
|
|
// $val is the full condition
|
|
$select->where($val);
|
|
} else {
|
|
// $key is the condition with placeholder,
|
|
// and $val is quoted into the condition
|
|
$select->where($key, $val);
|
|
}
|
|
}
|
|
|
|
return $select;
|
|
}
|
|
|
|
/**
|
|
* Generate ORDER clause from user-supplied string or array
|
|
*
|
|
* @param string|array $order OPTIONAL An SQL ORDER clause.
|
|
* @return Zend_Db_Table_Select
|
|
*/
|
|
protected function _order(Zend_Db_Table_Select $select, $order)
|
|
{
|
|
if (!is_array($order)) {
|
|
$order = array($order);
|
|
}
|
|
|
|
foreach ($order as $val) {
|
|
$select->order($val);
|
|
}
|
|
|
|
return $select;
|
|
}
|
|
|
|
/**
|
|
* Support method for fetching rows.
|
|
*
|
|
* @param Zend_Db_Table_Select $select query options.
|
|
* @return array An array containing the row results in FETCH_ASSOC mode.
|
|
*/
|
|
protected function _fetch(Zend_Db_Table_Select $select)
|
|
{
|
|
$stmt = $this->_db->query($select);
|
|
$data = $stmt->fetchAll(Zend_Db::FETCH_ASSOC);
|
|
return $data;
|
|
}
|
|
|
|
}
|