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17 * <http://www.doctrine-project.org>.
20 namespace Doctrine\ORM\Persisters;
22 use Doctrine\ORM\Mapping\ClassMetadata,
23 Doctrine\DBAL\Types\Type;
26 * Base class for entity persisters that implement a certain inheritance mapping strategy.
27 * All these persisters are assumed to use a discriminator column to discriminate entity
28 * types in the hierarchy.
30 * @author Roman Borschel <roman@code-factory.org>
31 * @author Benjamin Eberlei <kontakt@beberlei.de>
34 abstract class AbstractEntityInheritancePersister extends BasicEntityPersister
39 protected function _prepareInsertData($entity)
41 $data = parent::_prepareInsertData($entity);
43 // Populate the discriminator column
44 $discColumn = $this->_class->discriminatorColumn;
45 $this->_columnTypes[$discColumn['name']] = $discColumn['type'];
46 $data[$this->_getDiscriminatorColumnTableName()][$discColumn['name']] = $this->_class->discriminatorValue;
52 * Gets the name of the table that contains the discriminator column.
54 * @return string The table name.
56 abstract protected function _getDiscriminatorColumnTableName();
61 protected function _getSelectColumnSQL($field, ClassMetadata $class, $alias = 'r')
63 $columnName = $class->columnNames[$field];
64 $sql = $this->_getSQLTableAlias($class->name, $alias == 'r' ? '' : $alias) . '.' . $this->quoteStrategy->getColumnName($field, $class, $this->_platform);
65 $columnAlias = $this->getSQLColumnAlias($columnName);
66 $this->_rsm->addFieldResult($alias, $columnAlias, $field, $class->name);
68 if (isset($class->fieldMappings[$field]['requireSQLConversion'])) {
69 $type = Type::getType($class->getTypeOfField($field));
70 $sql = $type->convertToPHPValueSQL($sql, $this->_platform);
73 return $sql . ' AS ' . $columnAlias;
76 protected function getSelectJoinColumnSQL($tableAlias, $joinColumnName, $className)
78 $columnAlias = $this->getSQLColumnAlias($joinColumnName);
79 $this->_rsm->addMetaResult('r', $columnAlias, $joinColumnName);
81 return $tableAlias . '.' . $joinColumnName . ' AS ' . $columnAlias;