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<?php |
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declare(strict_types=1); |
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namespace Doctrine\ORM\Persisters\Entity; |
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use Doctrine\Common\Collections\Criteria; |
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use Doctrine\ORM\Mapping\AssociationMetadata; |
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use Doctrine\ORM\Mapping\ClassMetadata; |
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use Doctrine\ORM\Mapping\FieldMetadata; |
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use Doctrine\ORM\Mapping\ToOneAssociationMetadata; |
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use function array_flip; |
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use function implode; |
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use function sprintf; |
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/** |
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* Persister for entities that participate in a hierarchy mapped with the |
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* SINGLE_TABLE strategy. |
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* |
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* @link https://martinfowler.com/eaaCatalog/singleTableInheritance.html |
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*/ |
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class SingleTablePersister extends AbstractEntityInheritancePersister |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getSelectColumnsSQL() |
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{ |
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if ($this->currentPersisterContext->selectColumnListSql !== null) { |
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return $this->currentPersisterContext->selectColumnListSql; |
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} |
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$columnList[] = parent::getSelectColumnsSQL(); |
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// Append discriminator column |
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$discrColumn = $this->class->discriminatorColumn; |
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$discrTableAlias = $this->getSQLTableAlias($discrColumn->getTableName()); |
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$discrColumnName = $discrColumn->getColumnName(); |
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$discrColumnType = $discrColumn->getType(); |
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$resultColumnName = $this->platform->getSQLResultCasing($discrColumnName); |
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$quotedColumnName = $this->platform->quoteIdentifier($discrColumn->getColumnName()); |
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$this->currentPersisterContext->rsm->setDiscriminatorColumn('r', $resultColumnName); |
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$this->currentPersisterContext->rsm->addMetaResult('r', $resultColumnName, $discrColumnName, false, $discrColumnType); |
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$columnList[] = $discrColumnType->convertToDatabaseValueSQL($discrTableAlias . '.' . $quotedColumnName, $this->platform); |
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// Append subclass columns |
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foreach ($this->class->getSubClasses() as $subClassName) { |
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$subClass = $this->em->getClassMetadata($subClassName); |
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// Subclass columns |
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foreach ($subClass->getPropertiesIterator() as $fieldName => $property) { |
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if ($subClass->isInheritedProperty($fieldName)) { |
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continue; |
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} |
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switch (true) { |
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case $property instanceof FieldMetadata: |
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$columnList[] = $this->getSelectColumnSQL($fieldName, $subClass); |
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break; |
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case $property instanceof ToOneAssociationMetadata && $property->isOwningSide(): |
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foreach ($property->getJoinColumns() as $joinColumn) { |
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$columnList[] = $this->getSelectJoinColumnSQL($joinColumn); |
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} |
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break; |
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} |
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} |
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} |
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$this->currentPersisterContext->selectColumnListSql = implode(', ', $columnList); |
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return $this->currentPersisterContext->selectColumnListSql; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getInsertColumnList() |
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{ |
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$columns = parent::getInsertColumnList(); |
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// Add discriminator column to the INSERT SQL |
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$discrColumn = $this->class->discriminatorColumn; |
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$discrColumnName = $discrColumn->getColumnName(); |
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$columns[] = $discrColumnName; |
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$this->columns[$discrColumnName] = $discrColumn; |
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return $columns; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getSQLTableAlias($tableName, $assocName = '') |
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{ |
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return parent::getSQLTableAlias($this->class->getTableName(), $assocName); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getSelectConditionSQL(array $criteria, ?AssociationMetadata $association = null) |
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{ |
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$conditionSql = parent::getSelectConditionSQL($criteria, $association); |
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if ($conditionSql) { |
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$conditionSql .= ' AND '; |
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} |
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return $conditionSql . $this->getSelectConditionDiscriminatorValueSQL(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getSelectConditionCriteriaSQL(Criteria $criteria) |
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{ |
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$conditionSql = parent::getSelectConditionCriteriaSQL($criteria); |
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if ($conditionSql) { |
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$conditionSql .= ' AND '; |
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} |
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return $conditionSql . $this->getSelectConditionDiscriminatorValueSQL(); |
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} |
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/** |
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* @return string |
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*/ |
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protected function getSelectConditionDiscriminatorValueSQL() |
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{ |
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$values = []; |
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if ($this->class->discriminatorValue !== null) { // discriminators can be 0 |
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$values[] = $this->conn->quote($this->class->discriminatorValue); |
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} |
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$discrValues = array_flip($this->class->discriminatorMap); |
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foreach ($this->class->getSubClasses() as $subclassName) { |
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$values[] = $this->conn->quote($discrValues[$subclassName]); |
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} |
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$discrColumn = $this->class->discriminatorColumn; |
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$discrColumnType = $discrColumn->getType(); |
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$tableAlias = $this->getSQLTableAlias($discrColumn->getTableName()); |
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$quotedColumnName = $this->platform->quoteIdentifier($discrColumn->getColumnName()); |
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return sprintf( |
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'%s IN (%s)', |
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$discrColumnType->convertToDatabaseValueSQL($tableAlias . '.' . $quotedColumnName, $this->platform), |
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implode(', ', $values) |
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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 generateFilterConditionSQL(ClassMetadata $targetEntity, $targetTableAlias) |
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{ |
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// Ensure that the filters are applied to the root entity of the inheritance tree |
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$targetEntity = $this->em->getClassMetadata($targetEntity->getRootClassName()); |
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// we don't care about the $targetTableAlias, in a STI there is only one table. |
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return parent::generateFilterConditionSQL($targetEntity, $targetTableAlias); |
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} |
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} |
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doctrine /
orm
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