Файл: library/Zend/Db/Table/Row/Abstract.php
Строк: 1474
<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Db
* @subpackage Table
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Abstract.php 22229 2010-05-21 20:55:01Z ralph $
*/
/**
* @see Zend_Db
*/
require_once 'Zend/Db.php';
/**
* @category Zend
* @package Zend_Db
* @subpackage Table
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
abstract class Zend_Db_Table_Row_Abstract implements ArrayAccess, IteratorAggregate
{
/**
* The data for each column in the row (column_name => value).
* The keys must match the physical names of columns in the
* table for which this row is defined.
*
* @var array
*/
protected $_data = array();
/**
* This is set to a copy of $_data when the data is fetched from
* a database, specified as a new tuple in the constructor, or
* when dirty data is posted to the database with save().
*
* @var array
*/
protected $_cleanData = array();
/**
* Tracks columns where data has been updated. Allows more specific insert and
* update operations.
*
* @var array
*/
protected $_modifiedFields = array();
/**
* Zend_Db_Table_Abstract parent class or instance.
*
* @var Zend_Db_Table_Abstract
*/
protected $_table = null;
/**
* Connected is true if we have a reference to a live
* Zend_Db_Table_Abstract object.
* This is false after the Rowset has been deserialized.
*
* @var boolean
*/
protected $_connected = true;
/**
* A row is marked read only if it contains columns that are not physically represented within
* the database schema (e.g. evaluated columns/Zend_Db_Expr columns). This can also be passed
* as a run-time config options as a means of protecting row data.
*
* @var boolean
*/
protected $_readOnly = false;
/**
* Name of the class of the Zend_Db_Table_Abstract object.
*
* @var string
*/
protected $_tableClass = null;
/**
* Primary row key(s).
*
* @var array
*/
protected $_primary;
/**
* Constructor.
*
* Supported params for $config are:-
* - table = class name or object of type Zend_Db_Table_Abstract
* - data = values of columns in this row.
*
* @param array $config OPTIONAL Array of user-specified config options.
* @return void
* @throws Zend_Db_Table_Row_Exception
*/
public function __construct(array $config = array())
{
if (isset($config['table']) && $config['table'] instanceof Zend_Db_Table_Abstract) {
$this->_table = $config['table'];
$this->_tableClass = get_class($this->_table);
} elseif ($this->_tableClass !== null) {
$this->_table = $this->_getTableFromString($this->_tableClass);
}
if (isset($config['data'])) {
if (!is_array($config['data'])) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception('Data must be an array');
}
$this->_data = $config['data'];
}
if (isset($config['stored']) && $config['stored'] === true) {
$this->_cleanData = $this->_data;
}
if (isset($config['readOnly']) && $config['readOnly'] === true) {
$this->setReadOnly(true);
}
// Retrieve primary keys from table schema
if (($table = $this->_getTable())) {
$info = $table->info();
$this->_primary = (array) $info['primary'];
}
$this->init();
}
/**
* Transform a column name from the user-specified form
* to the physical form used in the database.
* You can override this method in a custom Row class
* to implement column name mappings, for example inflection.
*
* @param string $columnName Column name given.
* @return string The column name after transformation applied (none by default).
* @throws Zend_Db_Table_Row_Exception if the $columnName is not a string.
*/
protected function _transformColumn($columnName)
{
if (!is_string($columnName)) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception('Specified column is not a string');
}
// Perform no transformation by default
return $columnName;
}
/**
* Retrieve row field value
*
* @param string $columnName The user-specified column name.
* @return string The corresponding column value.
* @throws Zend_Db_Table_Row_Exception if the $columnName is not a column in the row.
*/
public function __get($columnName)
{
$columnName = $this->_transformColumn($columnName);
if (!array_key_exists($columnName, $this->_data)) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception("Specified column "$columnName" is not in the row");
}
return $this->_data[$columnName];
}
/**
* Set row field value
*
* @param string $columnName The column key.
* @param mixed $value The value for the property.
* @return void
* @throws Zend_Db_Table_Row_Exception
*/
public function __set($columnName, $value)
{
$columnName = $this->_transformColumn($columnName);
if (!array_key_exists($columnName, $this->_data)) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception("Specified column "$columnName" is not in the row");
}
$this->_data[$columnName] = $value;
$this->_modifiedFields[$columnName] = true;
}
/**
* Unset row field value
*
* @param string $columnName The column key.
* @return Zend_Db_Table_Row_Abstract
* @throws Zend_Db_Table_Row_Exception
*/
public function __unset($columnName)
{
$columnName = $this->_transformColumn($columnName);
if (!array_key_exists($columnName, $this->_data)) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception("Specified column "$columnName" is not in the row");
}
if ($this->isConnected() && in_array($columnName, $this->_table->info('primary'))) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception("Specified column "$columnName" is a primary key and should not be unset");
}
unset($this->_data[$columnName]);
return $this;
}
/**
* Test existence of row field
*
* @param string $columnName The column key.
* @return boolean
*/
public function __isset($columnName)
{
$columnName = $this->_transformColumn($columnName);
return array_key_exists($columnName, $this->_data);
}
/**
* Store table, primary key and data in serialized object
*
* @return array
*/
public function __sleep()
{
return array('_tableClass', '_primary', '_data', '_cleanData', '_readOnly' ,'_modifiedFields');
}
/**
* Setup to do on wakeup.
* A de-serialized Row should not be assumed to have access to a live
* database connection, so set _connected = false.
*
* @return void
*/
public function __wakeup()
{
$this->_connected = false;
}
/**
* Proxy to __isset
* Required by the ArrayAccess implementation
*
* @param string $offset
* @return boolean
*/
public function offsetExists($offset)
{
return $this->__isset($offset);
}
/**
* Proxy to __get
* Required by the ArrayAccess implementation
*
* @param string $offset
* @return string
*/
public function offsetGet($offset)
{
return $this->__get($offset);
}
/**
* Proxy to __set
* Required by the ArrayAccess implementation
*
* @param string $offset
* @param mixed $value
*/
public function offsetSet($offset, $value)
{
$this->__set($offset, $value);
}
/**
* Proxy to __unset
* Required by the ArrayAccess implementation
*
* @param string $offset
*/
public function offsetUnset($offset)
{
return $this->__unset($offset);
}
/**
* Initialize object
*
* Called from {@link __construct()} as final step of object instantiation.
*
* @return void
*/
public function init()
{
}
/**
* Returns the table object, or null if this is disconnected row
*
* @return Zend_Db_Table_Abstract|null
*/
public function getTable()
{
return $this->_table;
}
/**
* Set the table object, to re-establish a live connection
* to the database for a Row that has been de-serialized.
*
* @param Zend_Db_Table_Abstract $table
* @return boolean
* @throws Zend_Db_Table_Row_Exception
*/
public function setTable(Zend_Db_Table_Abstract $table = null)
{
if ($table == null) {
$this->_table = null;
$this->_connected = false;
return false;
}
$tableClass = get_class($table);
if (! $table instanceof $this->_tableClass) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception("The specified Table is of class $tableClass, expecting class to be instance of $this->_tableClass");
}
$this->_table = $table;
$this->_tableClass = $tableClass;
$info = $this->_table->info();
if ($info['cols'] != array_keys($this->_data)) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception('The specified Table does not have the same columns as the Row');
}
if (! array_intersect((array) $this->_primary, $info['primary']) == (array) $this->_primary) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception("The specified Table '$tableClass' does not have the same primary key as the Row");
}
$this->_connected = true;
return true;
}
/**
* Query the class name of the Table object for which this
* Row was created.
*
* @return string
*/
public function getTableClass()
{
return $this->_tableClass;
}
/**
* Test the connected status of the row.
*
* @return boolean
*/
public function isConnected()
{
return $this->_connected;
}
/**
* Test the read-only status of the row.
*
* @return boolean
*/
public function isReadOnly()
{
return $this->_readOnly;
}
/**
* Set the read-only status of the row.
*
* @param boolean $flag
* @return boolean
*/
public function setReadOnly($flag)
{
$this->_readOnly = (bool) $flag;
}
/**
* Returns an instance of the parent table's Zend_Db_Table_Select object.
*
* @return Zend_Db_Table_Select
*/
public function select()
{
return $this->getTable()->select();
}
/**
* Saves the properties to the database.
*
* This performs an intelligent insert/update, and reloads the
* properties with fresh data from the table on success.
*
* @return mixed The primary key value(s), as an associative array if the
* key is compound, or a scalar if the key is single-column.
*/
public function save()
{
/**
* If the _cleanData array is empty,
* this is an INSERT of a new row.
* Otherwise it is an UPDATE.
*/
if (empty($this->_cleanData)) {
return $this->_doInsert();
} else {
return $this->_doUpdate();
}
}
/**
* @return mixed The primary key value(s), as an associative array if the
* key is compound, or a scalar if the key is single-column.
*/
protected function _doInsert()
{
/**
* A read-only row cannot be saved.
*/
if ($this->_readOnly === true) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception('This row has been marked read-only');
}
/**
* Run pre-INSERT logic
*/
$this->_insert();
/**
* Execute the INSERT (this may throw an exception)
*/
$data = array_intersect_key($this->_data, $this->_modifiedFields);
$primaryKey = $this->_getTable()->insert($data);
/**
* Normalize the result to an array indexed by primary key column(s).
* The table insert() method may return a scalar.
*/
if (is_array($primaryKey)) {
$newPrimaryKey = $primaryKey;
} else {
//ZF-6167 Use tempPrimaryKey temporary to avoid that zend encoding fails.
$tempPrimaryKey = (array) $this->_primary;
$newPrimaryKey = array(current($tempPrimaryKey) => $primaryKey);
}
/**
* Save the new primary key value in _data. The primary key may have
* been generated by a sequence or auto-increment mechanism, and this
* merge should be done before the _postInsert() method is run, so the
* new values are available for logging, etc.
*/
$this->_data = array_merge($this->_data, $newPrimaryKey);
/**
* Run post-INSERT logic
*/
$this->_postInsert();
/**
* Update the _cleanData to reflect that the data has been inserted.
*/
$this->_refresh();
return $primaryKey;
}
/**
* @return mixed The primary key value(s), as an associative array if the
* key is compound, or a scalar if the key is single-column.
*/
protected function _doUpdate()
{
/**
* A read-only row cannot be saved.
*/
if ($this->_readOnly === true) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception('This row has been marked read-only');
}
/**
* Get expressions for a WHERE clause
* based on the primary key value(s).
*/
$where = $this->_getWhereQuery(false);
/**
* Run pre-UPDATE logic
*/
$this->_update();
/**
* Compare the data to the modified fields array to discover
* which columns have been changed.
*/
$diffData = array_intersect_key($this->_data, $this->_modifiedFields);
/**
* Were any of the changed columns part of the primary key?
*/
$pkDiffData = array_intersect_key($diffData, array_flip((array)$this->_primary));
/**
* Execute cascading updates against dependent tables.
* Do this only if primary key value(s) were changed.
*/
if (count($pkDiffData) > 0) {
$depTables = $this->_getTable()->getDependentTables();
if (!empty($depTables)) {
$pkNew = $this->_getPrimaryKey(true);
$pkOld = $this->_getPrimaryKey(false);
foreach ($depTables as $tableClass) {
$t = $this->_getTableFromString($tableClass);
$t->_cascadeUpdate($this->getTableClass(), $pkOld, $pkNew);
}
}
}
/**
* Execute the UPDATE (this may throw an exception)
* Do this only if data values were changed.
* Use the $diffData variable, so the UPDATE statement
* includes SET terms only for data values that changed.
*/
if (count($diffData) > 0) {
$this->_getTable()->update($diffData, $where);
}
/**
* Run post-UPDATE logic. Do this before the _refresh()
* so the _postUpdate() function can tell the difference
* between changed data and clean (pre-changed) data.
*/
$this->_postUpdate();
/**
* Refresh the data just in case triggers in the RDBMS changed
* any columns. Also this resets the _cleanData.
*/
$this->_refresh();
/**
* Return the primary key value(s) as an array
* if the key is compound or a scalar if the key
* is a scalar.
*/
$primaryKey = $this->_getPrimaryKey(true);
if (count($primaryKey) == 1) {
return current($primaryKey);
}
return $primaryKey;
}
/**
* Deletes existing rows.
*
* @return int The number of rows deleted.
*/
public function delete()
{
/**
* A read-only row cannot be deleted.
*/
if ($this->_readOnly === true) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception('This row has been marked read-only');
}
$where = $this->_getWhereQuery();
/**
* Execute pre-DELETE logic
*/
$this->_delete();
/**
* Execute cascading deletes against dependent tables
*/
$depTables = $this->_getTable()->getDependentTables();
if (!empty($depTables)) {
$pk = $this->_getPrimaryKey();
foreach ($depTables as $tableClass) {
$t = $this->_getTableFromString($tableClass);
$t->_cascadeDelete($this->getTableClass(), $pk);
}
}
/**
* Execute the DELETE (this may throw an exception)
*/
$result = $this->_getTable()->delete($where);
/**
* Execute post-DELETE logic
*/
$this->_postDelete();
/**
* Reset all fields to null to indicate that the row is not there
*/
$this->_data = array_combine(
array_keys($this->_data),
array_fill(0, count($this->_data), null)
);
return $result;
}
public function getIterator()
{
return new ArrayIterator((array) $this->_data);
}
/**
* Returns the column/value data as an array.
*
* @return array
*/
public function toArray()
{
return (array)$this->_data;
}
/**
* Sets all data in the row from an array.
*
* @param array $data
* @return Zend_Db_Table_Row_Abstract Provides a fluent interface
*/
public function setFromArray(array $data)
{
$data = array_intersect_key($data, $this->_data);
foreach ($data as $columnName => $value) {
$this->__set($columnName, $value);
}
return $this;
}
/**
* Refreshes properties from the database.
*
* @return void
*/
public function refresh()
{
return $this->_refresh();
}
/**
* Retrieves an instance of the parent table.
*
* @return Zend_Db_Table_Abstract
*/
protected function _getTable()
{
if (!$this->_connected) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception('Cannot save a Row unless it is connected');
}
return $this->_table;
}
/**
* Retrieves an associative array of primary keys.
*
* @param bool $useDirty
* @return array
*/
protected function _getPrimaryKey($useDirty = true)
{
if (!is_array($this->_primary)) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception("The primary key must be set as an array");
}
$primary = array_flip($this->_primary);
if ($useDirty) {
$array = array_intersect_key($this->_data, $primary);
} else {
$array = array_intersect_key($this->_cleanData, $primary);
}
if (count($primary) != count($array)) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception("The specified Table '$this->_tableClass' does not have the same primary key as the Row");
}
return $array;
}
/**
* Constructs where statement for retrieving row(s).
*
* @param bool $useDirty
* @return array
*/
protected function _getWhereQuery($useDirty = true)
{
$where = array();
$db = $this->_getTable()->getAdapter();
$primaryKey = $this->_getPrimaryKey($useDirty);
$info = $this->_getTable()->info();
$metadata = $info[Zend_Db_Table_Abstract::METADATA];
// retrieve recently updated row using primary keys
$where = array();
foreach ($primaryKey as $column => $value) {
$tableName = $db->quoteIdentifier($info[Zend_Db_Table_Abstract::NAME], true);
$type = $metadata[$column]['DATA_TYPE'];
$columnName = $db->quoteIdentifier($column, true);
$where[] = $db->quoteInto("{$tableName}.{$columnName} = ?", $value, $type);
}
return $where;
}
/**
* Refreshes properties from the database.
*
* @return void
*/
protected function _refresh()
{
$where = $this->_getWhereQuery();
$row = $this->_getTable()->fetchRow($where);
if (null === $row) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception('Cannot refresh row as parent is missing');
}
$this->_data = $row->toArray();
$this->_cleanData = $this->_data;
$this->_modifiedFields = array();
}
/**
* Allows pre-insert logic to be applied to row.
* Subclasses may override this method.
*
* @return void
*/
protected function _insert()
{
}
/**
* Allows post-insert logic to be applied to row.
* Subclasses may override this method.
*
* @return void
*/
protected function _postInsert()
{
}
/**
* Allows pre-update logic to be applied to row.
* Subclasses may override this method.
*
* @return void
*/
protected function _update()
{
}
/**
* Allows post-update logic to be applied to row.
* Subclasses may override this method.
*
* @return void
*/
protected function _postUpdate()
{
}
/**
* Allows pre-delete logic to be applied to row.
* Subclasses may override this method.
*
* @return void
*/
protected function _delete()
{
}
/**
* Allows post-delete logic to be applied to row.
* Subclasses may override this method.
*
* @return void
*/
protected function _postDelete()
{
}
/**
* Prepares a table reference for lookup.
*
* Ensures all reference keys are set and properly formatted.
*
* @param Zend_Db_Table_Abstract $dependentTable
* @param Zend_Db_Table_Abstract $parentTable
* @param string $ruleKey
* @return array
*/
protected function _prepareReference(Zend_Db_Table_Abstract $dependentTable, Zend_Db_Table_Abstract $parentTable, $ruleKey)
{
$parentTableName = (get_class($parentTable) === 'Zend_Db_Table') ? $parentTable->getDefinitionConfigName() : get_class($parentTable);
$map = $dependentTable->getReference($parentTableName, $ruleKey);
if (!isset($map[Zend_Db_Table_Abstract::REF_COLUMNS])) {
$parentInfo = $parentTable->info();
$map[Zend_Db_Table_Abstract::REF_COLUMNS] = array_values((array) $parentInfo['primary']);
}
$map[Zend_Db_Table_Abstract::COLUMNS] = (array) $map[Zend_Db_Table_Abstract::COLUMNS];
$map[Zend_Db_Table_Abstract::REF_COLUMNS] = (array) $map[Zend_Db_Table_Abstract::REF_COLUMNS];
return $map;
}
/**
* Query a dependent table to retrieve rows matching the current row.
*
* @param string|Zend_Db_Table_Abstract $dependentTable
* @param string OPTIONAL $ruleKey
* @param Zend_Db_Table_Select OPTIONAL $select
* @return Zend_Db_Table_Rowset_Abstract Query result from $dependentTable
* @throws Zend_Db_Table_Row_Exception If $dependentTable is not a table or is not loadable.
*/
public function findDependentRowset($dependentTable, $ruleKey = null, Zend_Db_Table_Select $select = null)
{
$db = $this->_getTable()->getAdapter();
if (is_string($dependentTable)) {
$dependentTable = $this->_getTableFromString($dependentTable);
}
if (!$dependentTable instanceof Zend_Db_Table_Abstract) {
$type = gettype($dependentTable);
if ($type == 'object') {
$type = get_class($dependentTable);
}
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception("Dependent table must be a Zend_Db_Table_Abstract, but it is $type");
}
// even if we are interacting between a table defined in a class and a
// table via extension, ensure to persist the definition
if (($tableDefinition = $this->_table->getDefinition()) !== null
&& ($dependentTable->getDefinition() == null)) {
$dependentTable->setOptions(array(Zend_Db_Table_Abstract::DEFINITION => $tableDefinition));
}
if ($select === null) {
$select = $dependentTable->select();
} else {
$select->setTable($dependentTable);
}
$map = $this->_prepareReference($dependentTable, $this->_getTable(), $ruleKey);
for ($i = 0; $i < count($map[Zend_Db_Table_Abstract::COLUMNS]); ++$i) {
$parentColumnName = $db->foldCase($map[Zend_Db_Table_Abstract::REF_COLUMNS][$i]);
$value = $this->_data[$parentColumnName];
// Use adapter from dependent table to ensure correct query construction
$dependentDb = $dependentTable->getAdapter();
$dependentColumnName = $dependentDb->foldCase($map[Zend_Db_Table_Abstract::COLUMNS][$i]);
$dependentColumn = $dependentDb->quoteIdentifier($dependentColumnName, true);
$dependentInfo = $dependentTable->info();
$type = $dependentInfo[Zend_Db_Table_Abstract::METADATA][$dependentColumnName]['DATA_TYPE'];
$select->where("$dependentColumn = ?", $value, $type);
}
return $dependentTable->fetchAll($select);
}
/**
* Query a parent table to retrieve the single row matching the current row.
*
* @param string|Zend_Db_Table_Abstract $parentTable
* @param string OPTIONAL $ruleKey
* @param Zend_Db_Table_Select OPTIONAL $select
* @return Zend_Db_Table_Row_Abstract Query result from $parentTable
* @throws Zend_Db_Table_Row_Exception If $parentTable is not a table or is not loadable.
*/
public function findParentRow($parentTable, $ruleKey = null, Zend_Db_Table_Select $select = null)
{
$db = $this->_getTable()->getAdapter();
if (is_string($parentTable)) {
$parentTable = $this->_getTableFromString($parentTable);
}
if (!$parentTable instanceof Zend_Db_Table_Abstract) {
$type = gettype($parentTable);
if ($type == 'object') {
$type = get_class($parentTable);
}
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception("Parent table must be a Zend_Db_Table_Abstract, but it is $type");
}
// even if we are interacting between a table defined in a class and a
// table via extension, ensure to persist the definition
if (($tableDefinition = $this->_table->getDefinition()) !== null
&& ($parentTable->getDefinition() == null)) {
$parentTable->setOptions(array(Zend_Db_Table_Abstract::DEFINITION => $tableDefinition));
}
if ($select === null) {
$select = $parentTable->select();
} else {
$select->setTable($parentTable);
}
$map = $this->_prepareReference($this->_getTable(), $parentTable, $ruleKey);
// iterate the map, creating the proper wheres
for ($i = 0; $i < count($map[Zend_Db_Table_Abstract::COLUMNS]); ++$i) {
$dependentColumnName = $db->foldCase($map[Zend_Db_Table_Abstract::COLUMNS][$i]);
$value = $this->_data[$dependentColumnName];
// Use adapter from parent table to ensure correct query construction
$parentDb = $parentTable->getAdapter();
$parentColumnName = $parentDb->foldCase($map[Zend_Db_Table_Abstract::REF_COLUMNS][$i]);
$parentColumn = $parentDb->quoteIdentifier($parentColumnName, true);
$parentInfo = $parentTable->info();
// determine where part
$type = $parentInfo[Zend_Db_Table_Abstract::METADATA][$parentColumnName]['DATA_TYPE'];
$nullable = $parentInfo[Zend_Db_Table_Abstract::METADATA][$parentColumnName]['NULLABLE'];
if ($value === null && $nullable == true) {
$select->where("$parentColumn IS NULL");
} elseif ($value === null && $nullable == false) {
return null;
} else {
$select->where("$parentColumn = ?", $value, $type);
}
}
return $parentTable->fetchRow($select);
}
/**
* @param string|Zend_Db_Table_Abstract $matchTable
* @param string|Zend_Db_Table_Abstract $intersectionTable
* @param string OPTIONAL $callerRefRule
* @param string OPTIONAL $matchRefRule
* @param Zend_Db_Table_Select OPTIONAL $select
* @return Zend_Db_Table_Rowset_Abstract Query result from $matchTable
* @throws Zend_Db_Table_Row_Exception If $matchTable or $intersectionTable is not a table class or is not loadable.
*/
public function findManyToManyRowset($matchTable, $intersectionTable, $callerRefRule = null,
$matchRefRule = null, Zend_Db_Table_Select $select = null)
{
$db = $this->_getTable()->getAdapter();
if (is_string($intersectionTable)) {
$intersectionTable = $this->_getTableFromString($intersectionTable);
}
if (!$intersectionTable instanceof Zend_Db_Table_Abstract) {
$type = gettype($intersectionTable);
if ($type == 'object') {
$type = get_class($intersectionTable);
}
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception("Intersection table must be a Zend_Db_Table_Abstract, but it is $type");
}
// even if we are interacting between a table defined in a class and a
// table via extension, ensure to persist the definition
if (($tableDefinition = $this->_table->getDefinition()) !== null
&& ($intersectionTable->getDefinition() == null)) {
$intersectionTable->setOptions(array(Zend_Db_Table_Abstract::DEFINITION => $tableDefinition));
}
if (is_string($matchTable)) {
$matchTable = $this->_getTableFromString($matchTable);
}
if (! $matchTable instanceof Zend_Db_Table_Abstract) {
$type = gettype($matchTable);
if ($type == 'object') {
$type = get_class($matchTable);
}
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception("Match table must be a Zend_Db_Table_Abstract, but it is $type");
}
// even if we are interacting between a table defined in a class and a
// table via extension, ensure to persist the definition
if (($tableDefinition = $this->_table->getDefinition()) !== null
&& ($matchTable->getDefinition() == null)) {
$matchTable->setOptions(array(Zend_Db_Table_Abstract::DEFINITION => $tableDefinition));
}
if ($select === null) {
$select = $matchTable->select();
} else {
$select->setTable($matchTable);
}
// Use adapter from intersection table to ensure correct query construction
$interInfo = $intersectionTable->info();
$interDb = $intersectionTable->getAdapter();
$interName = $interInfo['name'];
$interSchema = isset($interInfo['schema']) ? $interInfo['schema'] : null;
$matchInfo = $matchTable->info();
$matchName = $matchInfo['name'];
$matchSchema = isset($matchInfo['schema']) ? $matchInfo['schema'] : null;
$matchMap = $this->_prepareReference($intersectionTable, $matchTable, $matchRefRule);
for ($i = 0; $i < count($matchMap[Zend_Db_Table_Abstract::COLUMNS]); ++$i) {
$interCol = $interDb->quoteIdentifier('i' . '.' . $matchMap[Zend_Db_Table_Abstract::COLUMNS][$i], true);
$matchCol = $interDb->quoteIdentifier('m' . '.' . $matchMap[Zend_Db_Table_Abstract::REF_COLUMNS][$i], true);
$joinCond[] = "$interCol = $matchCol";
}
$joinCond = implode(' AND ', $joinCond);
$select->from(array('i' => $interName), array(), $interSchema)
->joinInner(array('m' => $matchName), $joinCond, Zend_Db_Select::SQL_WILDCARD, $matchSchema)
->setIntegrityCheck(false);
$callerMap = $this->_prepareReference($intersectionTable, $this->_getTable(), $callerRefRule);
for ($i = 0; $i < count($callerMap[Zend_Db_Table_Abstract::COLUMNS]); ++$i) {
$callerColumnName = $db->foldCase($callerMap[Zend_Db_Table_Abstract::REF_COLUMNS][$i]);
$value = $this->_data[$callerColumnName];
$interColumnName = $interDb->foldCase($callerMap[Zend_Db_Table_Abstract::COLUMNS][$i]);
$interCol = $interDb->quoteIdentifier("i.$interColumnName", true);
$interInfo = $intersectionTable->info();
$type = $interInfo[Zend_Db_Table_Abstract::METADATA][$interColumnName]['DATA_TYPE'];
$select->where($interDb->quoteInto("$interCol = ?", $value, $type));
}
$stmt = $select->query();
$config = array(
'table' => $matchTable,
'data' => $stmt->fetchAll(Zend_Db::FETCH_ASSOC),
'rowClass' => $matchTable->getRowClass(),
'readOnly' => false,
'stored' => true
);
$rowsetClass = $matchTable->getRowsetClass();
if (!class_exists($rowsetClass)) {
try {
require_once 'Zend/Loader.php';
Zend_Loader::loadClass($rowsetClass);
} catch (Zend_Exception $e) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception($e->getMessage(), $e->getCode(), $e);
}
}
$rowset = new $rowsetClass($config);
return $rowset;
}
/**
* Turn magic function calls into non-magic function calls
* to the above methods.
*
* @param string $method
* @param array $args OPTIONAL Zend_Db_Table_Select query modifier
* @return Zend_Db_Table_Row_Abstract|Zend_Db_Table_Rowset_Abstract
* @throws Zend_Db_Table_Row_Exception If an invalid method is called.
*/
public function __call($method, array $args)
{
$matches = array();
if (count($args) && $args[0] instanceof Zend_Db_Table_Select) {
$select = $args[0];
} else {
$select = null;
}
/**
* Recognize methods for Has-Many cases:
* findParent<Class>()
* findParent<Class>By<Rule>()
* Use the non-greedy pattern repeat modifier e.g. w+?
*/
if (preg_match('/^findParent(w+?)(?:By(w+))?$/', $method, $matches)) {
$class = $matches[1];
$ruleKey1 = isset($matches[2]) ? $matches[2] : null;
return $this->findParentRow($class, $ruleKey1, $select);
}
/**
* Recognize methods for Many-to-Many cases:
* find<Class1>Via<Class2>()
* find<Class1>Via<Class2>By<Rule>()
* find<Class1>Via<Class2>By<Rule1>And<Rule2>()
* Use the non-greedy pattern repeat modifier e.g. w+?
*/
if (preg_match('/^find(w+?)Via(w+?)(?:By(w+?)(?:And(w+))?)?$/', $method, $matches)) {
$class = $matches[1];
$viaClass = $matches[2];
$ruleKey1 = isset($matches[3]) ? $matches[3] : null;
$ruleKey2 = isset($matches[4]) ? $matches[4] : null;
return $this->findManyToManyRowset($class, $viaClass, $ruleKey1, $ruleKey2, $select);
}
/**
* Recognize methods for Belongs-To cases:
* find<Class>()
* find<Class>By<Rule>()
* Use the non-greedy pattern repeat modifier e.g. w+?
*/
if (preg_match('/^find(w+?)(?:By(w+))?$/', $method, $matches)) {
$class = $matches[1];
$ruleKey1 = isset($matches[2]) ? $matches[2] : null;
return $this->findDependentRowset($class, $ruleKey1, $select);
}
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception("Unrecognized method '$method()'");
}
/**
* _getTableFromString
*
* @param string $tableName
* @return Zend_Db_Table_Abstract
*/
protected function _getTableFromString($tableName)
{
if ($this->_table instanceof Zend_Db_Table_Abstract) {
$tableDefinition = $this->_table->getDefinition();
if ($tableDefinition !== null && $tableDefinition->hasTableConfig($tableName)) {
return new Zend_Db_Table($tableName, $tableDefinition);
}
}
// assume the tableName is the class name
if (!class_exists($tableName)) {
try {
require_once 'Zend/Loader.php';
Zend_Loader::loadClass($tableName);
} catch (Zend_Exception $e) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception($e->getMessage(), $e->getCode(), $e);
}
}
$options = array();
if (($table = $this->_getTable())) {
$options['db'] = $table->getAdapter();
}
if (isset($tableDefinition) && $tableDefinition !== null) {
$options[Zend_Db_Table_Abstract::DEFINITION] = $tableDefinition;
}
return new $tableName($options);
}
}