497 lines
19 KiB
PHP
497 lines
19 KiB
PHP
<?php
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/*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the MIT license. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\ORM\Persisters;
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use Doctrine\ORM\Mapping\ClassMetadata;
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use Doctrine\ORM\Query\ResultSetMapping;
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use Doctrine\DBAL\LockMode;
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use Doctrine\DBAL\Types\Type;
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use Doctrine\Common\Collections\Criteria;
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/**
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* The joined subclass persister maps a single entity instance to several tables in the
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* database as it is defined by the <tt>Class Table Inheritance</tt> strategy.
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*
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* @author Roman Borschel <roman@code-factory.org>
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* @author Benjamin Eberlei <kontakt@beberlei.de>
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* @author Alexander <iam.asm89@gmail.com>
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* @since 2.0
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* @see http://martinfowler.com/eaaCatalog/classTableInheritance.html
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*/
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class JoinedSubclassPersister extends AbstractEntityInheritancePersister
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{
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/**
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* Map that maps column names to the table names that own them.
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* This is mainly a temporary cache, used during a single request.
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*
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* @var array
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*/
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private $owningTableMap = array();
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/**
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* Map of table to quoted table names.
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*
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* @var array
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*/
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private $quotedTableMap = array();
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/**
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* {@inheritdoc}
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*/
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protected function getDiscriminatorColumnTableName()
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{
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$class = ($this->class->name !== $this->class->rootEntityName)
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? $this->em->getClassMetadata($this->class->rootEntityName)
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: $this->class;
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return $class->getTableName();
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}
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/**
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* This function finds the ClassMetadata instance in an inheritance hierarchy
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* that is responsible for enabling versioning.
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*
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* @return \Doctrine\ORM\Mapping\ClassMetadata
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*/
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private function getVersionedClassMetadata()
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{
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if (isset($this->class->fieldMappings[$this->class->versionField]['inherited'])) {
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$definingClassName = $this->class->fieldMappings[$this->class->versionField]['inherited'];
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return $this->em->getClassMetadata($definingClassName);
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}
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return $this->class;
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}
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/**
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* Gets the name of the table that owns the column the given field is mapped to.
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*
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* @param string $fieldName
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* @return string
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* @override
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*/
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public function getOwningTable($fieldName)
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{
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if (isset($this->owningTableMap[$fieldName])) {
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return $this->owningTableMap[$fieldName];
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}
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if (isset($this->class->associationMappings[$fieldName]['inherited'])) {
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$cm = $this->em->getClassMetadata($this->class->associationMappings[$fieldName]['inherited']);
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} else if (isset($this->class->fieldMappings[$fieldName]['inherited'])) {
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$cm = $this->em->getClassMetadata($this->class->fieldMappings[$fieldName]['inherited']);
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} else {
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$cm = $this->class;
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}
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$tableName = $cm->getTableName();
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$this->owningTableMap[$fieldName] = $tableName;
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$this->quotedTableMap[$tableName] = $this->quoteStrategy->getTableName($cm, $this->platform);
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return $tableName;
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}
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/**
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* {@inheritdoc}
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*/
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public function executeInserts()
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{
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if ( ! $this->queuedInserts) {
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return;
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}
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$postInsertIds = array();
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$idGen = $this->class->idGenerator;
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$isPostInsertId = $idGen->isPostInsertGenerator();
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// Prepare statement for the root table
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$rootClass = ($this->class->name !== $this->class->rootEntityName) ? $this->em->getClassMetadata($this->class->rootEntityName) : $this->class;
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$rootPersister = $this->em->getUnitOfWork()->getEntityPersister($rootClass->name);
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$rootTableName = $rootClass->getTableName();
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$rootTableStmt = $this->conn->prepare($rootPersister->getInsertSQL());
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// Prepare statements for sub tables.
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$subTableStmts = array();
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if ($rootClass !== $this->class) {
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$subTableStmts[$this->class->getTableName()] = $this->conn->prepare($this->getInsertSQL());
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}
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foreach ($this->class->parentClasses as $parentClassName) {
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$parentClass = $this->em->getClassMetadata($parentClassName);
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$parentTableName = $parentClass->getTableName();
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if ($parentClass !== $rootClass) {
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$parentPersister = $this->em->getUnitOfWork()->getEntityPersister($parentClassName);
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$subTableStmts[$parentTableName] = $this->conn->prepare($parentPersister->getInsertSQL());
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}
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}
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// Execute all inserts. For each entity:
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// 1) Insert on root table
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// 2) Insert on sub tables
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foreach ($this->queuedInserts as $entity) {
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$insertData = $this->prepareInsertData($entity);
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// Execute insert on root table
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$paramIndex = 1;
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foreach ($insertData[$rootTableName] as $columnName => $value) {
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$rootTableStmt->bindValue($paramIndex++, $value, $this->columnTypes[$columnName]);
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}
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$rootTableStmt->execute();
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if ($isPostInsertId) {
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$id = $idGen->generate($this->em, $entity);
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$postInsertIds[$id] = $entity;
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} else {
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$id = $this->em->getUnitOfWork()->getEntityIdentifier($entity);
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}
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// Execute inserts on subtables.
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// The order doesn't matter because all child tables link to the root table via FK.
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foreach ($subTableStmts as $tableName => $stmt) {
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$data = isset($insertData[$tableName]) ? $insertData[$tableName] : array();
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$paramIndex = 1;
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foreach ((array) $id as $idName => $idVal) {
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$type = isset($this->columnTypes[$idName]) ? $this->columnTypes[$idName] : Type::STRING;
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$stmt->bindValue($paramIndex++, $idVal, $type);
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}
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foreach ($data as $columnName => $value) {
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$stmt->bindValue($paramIndex++, $value, $this->columnTypes[$columnName]);
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}
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$stmt->execute();
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}
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}
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$rootTableStmt->closeCursor();
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foreach ($subTableStmts as $stmt) {
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$stmt->closeCursor();
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}
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if ($this->class->isVersioned) {
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$this->assignDefaultVersionValue($entity, $id);
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}
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$this->queuedInserts = array();
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return $postInsertIds;
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}
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/**
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* {@inheritdoc}
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*/
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public function update($entity)
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{
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$updateData = $this->prepareUpdateData($entity);
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if (($isVersioned = $this->class->isVersioned) != false) {
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$versionedClass = $this->getVersionedClassMetadata();
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$versionedTable = $versionedClass->getTableName();
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}
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if ($updateData) {
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foreach ($updateData as $tableName => $data) {
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$this->updateTable(
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$entity, $this->quotedTableMap[$tableName], $data, $isVersioned && $versionedTable == $tableName
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);
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}
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// Make sure the table with the version column is updated even if no columns on that
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// table were affected.
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if ($isVersioned && ! isset($updateData[$versionedTable])) {
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$this->updateTable($entity, $this->quoteStrategy->getTableName($versionedClass, $this->platform), array(), true);
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$id = $this->em->getUnitOfWork()->getEntityIdentifier($entity);
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$this->assignDefaultVersionValue($entity, $id);
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}
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function delete($entity)
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{
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$identifier = $this->em->getUnitOfWork()->getEntityIdentifier($entity);
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$this->deleteJoinTableRecords($identifier);
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$id = array_combine($this->class->getIdentifierColumnNames(), $identifier);
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// If the database platform supports FKs, just
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// delete the row from the root table. Cascades do the rest.
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if ($this->platform->supportsForeignKeyConstraints()) {
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$this->conn->delete(
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$this->quoteStrategy->getTableName($this->em->getClassMetadata($this->class->rootEntityName), $this->platform), $id
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);
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} else {
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// Delete from all tables individually, starting from this class' table up to the root table.
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$this->conn->delete($this->quoteStrategy->getTableName($this->class, $this->platform), $id);
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foreach ($this->class->parentClasses as $parentClass) {
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$this->conn->delete(
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$this->quoteStrategy->getTableName($this->em->getClassMetadata($parentClass), $this->platform), $id
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);
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}
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}
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}
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/**
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* {@inheritdoc}
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*/
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protected function getSelectSQL($criteria, $assoc = null, $lockMode = 0, $limit = null, $offset = null, array $orderBy = null)
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{
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$idColumns = $this->class->getIdentifierColumnNames();
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$baseTableAlias = $this->getSQLTableAlias($this->class->name);
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// Create the column list fragment only once
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if ($this->selectColumnListSql === null) {
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$this->rsm = new ResultSetMapping();
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$this->rsm->addEntityResult($this->class->name, 'r');
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// Add regular columns
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$columnList = '';
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foreach ($this->class->fieldMappings as $fieldName => $mapping) {
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if ($columnList != '') $columnList .= ', ';
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$columnList .= $this->getSelectColumnSQL(
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$fieldName,
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isset($mapping['inherited']) ? $this->em->getClassMetadata($mapping['inherited']) : $this->class
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);
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}
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// Add foreign key columns
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foreach ($this->class->associationMappings as $assoc2) {
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if ($assoc2['isOwningSide'] && $assoc2['type'] & ClassMetadata::TO_ONE) {
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$tableAlias = isset($assoc2['inherited']) ? $this->getSQLTableAlias($assoc2['inherited']) : $baseTableAlias;
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foreach ($assoc2['targetToSourceKeyColumns'] as $srcColumn) {
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if ($columnList != '') $columnList .= ', ';
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$columnList .= $this->getSelectJoinColumnSQL(
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$tableAlias,
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$srcColumn,
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isset($assoc2['inherited']) ? $assoc2['inherited'] : $this->class->name
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);
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}
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}
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}
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// Add discriminator column (DO NOT ALIAS, see AbstractEntityInheritancePersister#_processSQLResult).
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$discrColumn = $this->class->discriminatorColumn['name'];
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$tableAlias = ($this->class->rootEntityName == $this->class->name) ? $baseTableAlias : $this->getSQLTableAlias($this->class->rootEntityName);
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$columnList .= ', ' . $tableAlias . '.' . $discrColumn;
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$resultColumnName = $this->platform->getSQLResultCasing($discrColumn);
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$this->rsm->setDiscriminatorColumn('r', $resultColumnName);
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$this->rsm->addMetaResult('r', $resultColumnName, $discrColumn);
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}
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// INNER JOIN parent tables
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$joinSql = '';
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foreach ($this->class->parentClasses as $parentClassName) {
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$parentClass = $this->em->getClassMetadata($parentClassName);
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$tableAlias = $this->getSQLTableAlias($parentClassName);
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$joinSql .= ' INNER JOIN ' . $this->quoteStrategy->getTableName($parentClass, $this->platform) . ' ' . $tableAlias . ' ON ';
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$first = true;
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foreach ($idColumns as $idColumn) {
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if ($first) $first = false; else $joinSql .= ' AND ';
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$joinSql .= $baseTableAlias . '.' . $idColumn . ' = ' . $tableAlias . '.' . $idColumn;
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}
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}
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// OUTER JOIN sub tables
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foreach ($this->class->subClasses as $subClassName) {
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$subClass = $this->em->getClassMetadata($subClassName);
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$tableAlias = $this->getSQLTableAlias($subClassName);
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if ($this->selectColumnListSql === null) {
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// Add subclass columns
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foreach ($subClass->fieldMappings as $fieldName => $mapping) {
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if (isset($mapping['inherited'])) continue;
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$columnList .= ', ' . $this->getSelectColumnSQL($fieldName, $subClass);
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}
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// Add join columns (foreign keys)
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foreach ($subClass->associationMappings as $assoc2) {
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if ($assoc2['isOwningSide'] && $assoc2['type'] & ClassMetadata::TO_ONE && ! isset($assoc2['inherited'])) {
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foreach ($assoc2['targetToSourceKeyColumns'] as $srcColumn) {
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if ($columnList != '') $columnList .= ', ';
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$columnList .= $this->getSelectJoinColumnSQL(
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$tableAlias,
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$srcColumn,
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isset($assoc2['inherited']) ? $assoc2['inherited'] : $subClass->name
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);
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}
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}
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}
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}
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// Add LEFT JOIN
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$joinSql .= ' LEFT JOIN ' . $this->quoteStrategy->getTableName($subClass, $this->platform) . ' ' . $tableAlias . ' ON ';
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$first = true;
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foreach ($idColumns as $idColumn) {
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if ($first) $first = false; else $joinSql .= ' AND ';
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$joinSql .= $baseTableAlias . '.' . $idColumn . ' = ' . $tableAlias . '.' . $idColumn;
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}
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}
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$joinSql .= ($assoc != null && $assoc['type'] == ClassMetadata::MANY_TO_MANY) ? $this->getSelectManyToManyJoinSQL($assoc) : '';
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$conditionSql = ($criteria instanceof Criteria)
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? $this->getSelectConditionCriteriaSQL($criteria)
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: $this->getSelectConditionSQL($criteria, $assoc);
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// If the current class in the root entity, add the filters
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if ($filterSql = $this->generateFilterConditionSQL($this->em->getClassMetadata($this->class->rootEntityName), $this->getSQLTableAlias($this->class->rootEntityName))) {
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if ($conditionSql) {
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$conditionSql .= ' AND ';
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}
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$conditionSql .= $filterSql;
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}
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$orderBy = ($assoc !== null && isset($assoc['orderBy'])) ? $assoc['orderBy'] : $orderBy;
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$orderBySql = $orderBy ? $this->getOrderBySQL($orderBy, $baseTableAlias) : '';
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if ($this->selectColumnListSql === null) {
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$this->selectColumnListSql = $columnList;
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}
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$lockSql = '';
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if ($lockMode == LockMode::PESSIMISTIC_READ) {
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$lockSql = ' ' . $this->platform->getReadLockSql();
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} else if ($lockMode == LockMode::PESSIMISTIC_WRITE) {
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$lockSql = ' ' . $this->platform->getWriteLockSql();
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}
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return $this->platform->modifyLimitQuery('SELECT ' . $this->selectColumnListSql
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. ' FROM ' . $this->quoteStrategy->getTableName($this->class, $this->platform) . ' ' . $baseTableAlias
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. $joinSql
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. ($conditionSql != '' ? ' WHERE ' . $conditionSql : '') . $orderBySql, $limit, $offset)
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. $lockSql;
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}
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/**
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* Get the FROM and optionally JOIN conditions to lock the entity managed by this persister.
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*
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* @return string
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*/
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public function getLockTablesSql()
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{
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$idColumns = $this->class->getIdentifierColumnNames();
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$baseTableAlias = $this->getSQLTableAlias($this->class->name);
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// INNER JOIN parent tables
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$joinSql = '';
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foreach ($this->class->parentClasses as $parentClassName) {
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$parentClass = $this->em->getClassMetadata($parentClassName);
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$tableAlias = $this->getSQLTableAlias($parentClassName);
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$joinSql .= ' INNER JOIN ' . $this->quoteStrategy->getTableName($parentClass, $this->platform) . ' ' . $tableAlias . ' ON ';
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$first = true;
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foreach ($idColumns as $idColumn) {
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if ($first) $first = false; else $joinSql .= ' AND ';
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$joinSql .= $baseTableAlias . '.' . $idColumn . ' = ' . $tableAlias . '.' . $idColumn;
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}
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}
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return 'FROM ' .$this->quoteStrategy->getTableName($this->class, $this->platform) . ' ' . $baseTableAlias . $joinSql;
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}
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/*
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* Ensure this method is never called. This persister overrides getSelectEntitiesSQL directly.
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*/
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protected function getSelectColumnsSQL()
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{
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throw new \BadMethodCallException("Illegal invocation of ".__METHOD__.".");
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}
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/**
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* {@inheritdoc}
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*/
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protected function getInsertColumnList()
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{
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// Identifier columns must always come first in the column list of subclasses.
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$columns = $this->class->parentClasses ? $this->class->getIdentifierColumnNames() : array();
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foreach ($this->class->reflFields as $name => $field) {
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if (isset($this->class->fieldMappings[$name]['inherited']) && ! isset($this->class->fieldMappings[$name]['id'])
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|| isset($this->class->associationMappings[$name]['inherited'])
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|| ($this->class->isVersioned && $this->class->versionField == $name)) {
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continue;
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}
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if (isset($this->class->associationMappings[$name])) {
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$assoc = $this->class->associationMappings[$name];
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if ($assoc['type'] & ClassMetadata::TO_ONE && $assoc['isOwningSide']) {
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foreach ($assoc['targetToSourceKeyColumns'] as $sourceCol) {
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$columns[] = $sourceCol;
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}
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}
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} else if ($this->class->name != $this->class->rootEntityName ||
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! $this->class->isIdGeneratorIdentity() || $this->class->identifier[0] != $name) {
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$columns[] = $this->quoteStrategy->getColumnName($name, $this->class, $this->platform);
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$this->columnTypes[$name] = $this->class->fieldMappings[$name]['type'];
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}
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}
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// Add discriminator column if it is the topmost class.
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if ($this->class->name == $this->class->rootEntityName) {
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$columns[] = $this->class->discriminatorColumn['name'];
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}
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return $columns;
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}
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/**
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* {@inheritdoc}
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*/
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protected function assignDefaultVersionValue($entity, $id)
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{
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$value = $this->fetchVersionValue($this->getVersionedClassMetadata(), $id);
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$this->class->setFieldValue($entity, $this->class->versionField, $value);
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}
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|
|
}
|