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<?php |
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/** |
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* Cycle ORM Schema Builder. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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declare(strict_types=1); |
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namespace Cycle\Schema\Relation\Traits; |
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use Cycle\Schema\Definition\Entity; |
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use Cycle\Schema\Definition\Field; |
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use Cycle\Schema\Definition\Map\FieldMap; |
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use Cycle\Schema\Registry; |
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use Cycle\Schema\Relation\OptionSchema; |
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use Cycle\Schema\Relation\RelationSchema; |
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trait ForeignKeyTrait |
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{ |
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/** |
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* Create foreign key between two entities. Only when both entities are located in a same database. |
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*/ |
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protected function createForeignKey( |
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Registry $registry, |
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Entity $source, |
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Entity $target, |
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Field $innerField, |
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Field $outerField |
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): void { |
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if ($registry->getDatabase($source) !== $registry->getDatabase($target)) { |
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return; |
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} |
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$outerFields = (new FieldMap())->set($outerField->getColumn(), $outerField); |
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$innerFields = (new FieldMap())->set($innerField->getColumn(), $innerField); |
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$this->createForeignCompositeKey($registry, $source, $target, $outerFields, $innerFields); |
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} |
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/** |
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* Create foreign key between two entities with composite fields. Only when both entities are located |
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* in a same database. |
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*/ |
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protected function createForeignCompositeKey( |
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Registry $registry, |
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Entity $source, |
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Entity $target, |
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FieldMap $innerFields, |
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FieldMap $outerFields |
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): void { |
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if ($registry->getDatabase($source) !== $registry->getDatabase($target)) { |
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return; |
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} |
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$registry->getTableSchema($target) |
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->foreignKey($outerFields->getColumnNames()) |
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->references($registry->getTable($source), $innerFields->getColumnNames()) |
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->onUpdate($this->getOptions()->get(RelationSchema::FK_ACTION)) |
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->onDelete($this->getOptions()->get(RelationSchema::FK_ACTION)); |
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} |
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abstract protected function getOptions(): OptionSchema; |
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} |
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