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<?php |
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namespace carono\yii2migrate; |
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use carono\yii2migrate\exceptions\ForeignKeyException; |
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use carono\yii2migrate\helpers\SchemaHelper; |
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use yii\db\ColumnSchemaBuilder; |
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/** |
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* Class ForeignKeyColumn |
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* |
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* @package carono\yii2installer |
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*/ |
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class ForeignKeyColumn extends ColumnSchemaBuilder |
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{ |
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const FK_CASCADE = 'CASCADE'; |
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const FK_DEFAULT = 'SET DEFAULT'; |
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const FK_NULL = 'SET NULL'; |
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const FK_RESTRICT = 'RESTRICT'; |
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const FK_NO_ACTION = 'NO ACTION'; |
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protected $_onDelete = self::FK_CASCADE; |
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protected $_onUpdate; |
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protected $_refTable; |
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protected $_refColumn; |
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protected $_sourceTable; |
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protected $_sourceColumn; |
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protected $_name; |
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/** |
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* @var Migration |
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*/ |
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public $migrate; |
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/** |
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* @param $migrate |
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* @return $this |
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*/ |
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public function setMigrate($migrate) |
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{ |
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$this->migrate = $migrate; |
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$this->db = $migrate->db; |
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return $this; |
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} |
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/** |
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* @param $value |
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* @return $this |
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*/ |
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public function setName($value) |
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{ |
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$this->_name = $value; |
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return $this; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getName() |
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{ |
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return $this->_name; |
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} |
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public function formIndexName() |
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{ |
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if ($this->_name) { |
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$name = $this->_name; |
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} else { |
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$name = $this->formName($this->getSourceTable(), $this->getSourceColumn(), $this->getRefTable(), $this->getRefColumn()); |
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} |
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$name = $this->migrate->expandTablePrefix($name); |
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return $name; |
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} |
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/** |
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* @throws ForeignKeyException |
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*/ |
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public function apply() |
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{ |
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$this->migrate->addForeignKey( |
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$this->getName(), $this->getSourceTable(), $this->getSourceColumn(), $this->getRefTable(), |
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$this->getRefColumn(), $this->getOnDelete(), $this->getOnUpdate() |
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); |
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} |
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public function remove() |
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{ |
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$this->migrate->dropForeignKeyByColumn($this->getSourceTable(), $this->getSourceColumn()); |
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} |
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/** |
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* @return null|string |
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*/ |
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public function getRefTable() |
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{ |
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return $this->_refTable; |
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} |
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/** |
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* @param $table |
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* @return mixed |
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* @throws ForeignKeyException |
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*/ |
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protected function getRefColumnByTable($table) |
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{ |
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if (!$this->db->getTableSchema($table, true)) { |
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throw new ForeignKeyException("Ref table '$table' not found"); |
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} |
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$pk = current($this->migrate->db->getTableSchema($table)->primaryKey); |
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if (!$pk){ |
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throw new ForeignKeyException("Primary key not found in ref table '$table'"); |
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} |
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return $pk; |
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} |
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/** |
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* @return null|string |
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*/ |
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public function getRefColumn() |
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{ |
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if (!$this->_refColumn && $this->migrate) { |
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$this->_refColumn = $this->getRefColumnByTable($this->getRefTable()); |
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} |
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return $this->_refColumn; |
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} |
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/** |
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* @return null|string |
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*/ |
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public function getSourceTable() |
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{ |
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return $this->_sourceTable; |
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} |
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/** |
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* @return null|string |
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*/ |
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public function getSourceColumn() |
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{ |
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return $this->_sourceColumn; |
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} |
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/** |
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* @return string |
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*/ |
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public function getOnDelete() |
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{ |
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return $this->_onDelete; |
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} |
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/** |
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* @return null|string |
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*/ |
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public function getOnUpdate() |
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{ |
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return $this->_onUpdate; |
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} |
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/** |
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* @param $string |
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* @return $this |
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*/ |
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public function onDelete($string) |
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{ |
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$this->_onDelete = $string; |
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return $this; |
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} |
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/** |
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* @param $string |
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* @return $this |
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*/ |
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public function onUpdate($string) |
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{ |
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$this->_onUpdate = $string; |
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return $this; |
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} |
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/** |
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* @return ForeignKeyColumn |
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*/ |
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public function onDeleteCascade() |
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{ |
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return $this->onDelete(self::FK_CASCADE); |
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} |
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/** |
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* @return ForeignKeyColumn |
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*/ |
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public function onDeleteNull() |
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{ |
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return $this->onDelete(self::FK_NULL); |
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} |
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/** |
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* @return ForeignKeyColumn |
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*/ |
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public function onDeleteDefault() |
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{ |
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return $this->onDelete(self::FK_DEFAULT); |
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} |
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/** |
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* @return ForeignKeyColumn |
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*/ |
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public function onDeleteRestrict() |
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{ |
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return $this->onDelete(self::FK_RESTRICT); |
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} |
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/** |
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* @return ForeignKeyColumn |
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*/ |
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public function onDeleteNoAction() |
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{ |
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return $this->onDelete(self::FK_NO_ACTION); |
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} |
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/** |
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* @return ForeignKeyColumn |
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*/ |
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public function onUpdateCascade() |
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{ |
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return $this->onUpdate(self::FK_CASCADE); |
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} |
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/** |
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* @return ForeignKeyColumn |
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*/ |
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public function onUpdateNull() |
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{ |
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return $this->onUpdate(self::FK_NULL); |
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} |
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/** |
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* @return ForeignKeyColumn |
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*/ |
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public function onUpdateDefault() |
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{ |
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return $this->onUpdate(self::FK_DEFAULT); |
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} |
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/** |
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* @return ForeignKeyColumn |
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*/ |
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public function onUpdateRestrict() |
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{ |
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return $this->onUpdate(self::FK_RESTRICT); |
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} |
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/** |
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* @return ForeignKeyColumn |
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*/ |
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public function onUpdateNoAction() |
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{ |
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return $this->onUpdate(self::FK_NO_ACTION); |
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} |
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/** |
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* @param $name |
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* @return $this |
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*/ |
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public function refTable($name) |
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{ |
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$this->_refTable = $name; |
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return $this; |
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} |
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/** |
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* @param $name |
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* @return $this |
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*/ |
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public function sourceColumn($name) |
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{ |
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$this->_sourceColumn = $name; |
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return $this; |
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} |
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/** |
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* @param $table |
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* @param $column |
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* @param $refTable |
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* @param $refColumn |
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* @return string |
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*/ |
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public function formName($table, $column, $refTable, $refColumn) |
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{ |
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$table = SchemaHelper::removeSchema($this->migrate->expandTablePrefix($table)); |
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$refTable = SchemaHelper::removeSchema($this->migrate->expandTablePrefix($refTable)); |
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return "{$table}[{$column}]_{$refTable}[{$refColumn}]_fk"; |
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} |
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/** |
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* @param $name |
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* |
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* @return $this |
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*/ |
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public function sourceTable($name) |
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{ |
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$this->_sourceTable = $name; |
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return $this; |
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} |
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/** |
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* @param $name |
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* @return $this |
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*/ |
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public function refColumn($name) |
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{ |
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$this->_refColumn = $name; |
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return $this; |
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} |
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} |