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<?php |
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/** |
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* components |
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* |
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* @author Wolfy-J |
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*/ |
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namespace Spiral\Database\Drivers\MySQL; |
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use Spiral\Database\Drivers\MySQL\Schemas\MySQLTable; |
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use Spiral\Database\Entities\AbstractHandler; |
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use Spiral\Database\Exceptions\SchemaException; |
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use Spiral\Database\Schemas\Prototypes\AbstractColumn; |
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use Spiral\Database\Schemas\Prototypes\AbstractIndex; |
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use Spiral\Database\Schemas\Prototypes\AbstractReference; |
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use Spiral\Database\Schemas\Prototypes\AbstractTable; |
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class MySQLHandler extends AbstractHandler |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function alterColumn( |
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AbstractTable $table, |
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AbstractColumn $initial, |
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AbstractColumn $column |
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) { |
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$this->run("ALTER TABLE {$this->identify($table)} CHANGE {$this->identify($column)} {$column->sqlStatement($this->driver)}"); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function dropIndex(AbstractTable $table, AbstractIndex $index) |
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{ |
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$this->run("DROP INDEX {$this->identify($index)} ON {$this->identify($table)}"); |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function alterIndex(AbstractTable $table, AbstractIndex $initial, AbstractIndex $index) |
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{ |
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$this->run("ALTER TABLE {$this->identify($table)} DROP INDEX {$this->identify($index)}, ADD {$index->sqlStatement($this->driver, false)}"); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function dropForeign(AbstractTable $table, AbstractReference $foreign) |
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{ |
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$this->run("ALTER TABLE {$this->identify($table)} DROP FOREIGN KEY {$this->identify($foreign)}"); |
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} |
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/** |
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* Get statement needed to create table. |
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* |
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* @param AbstractTable $table |
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* |
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* @return string |
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* |
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* @throws SchemaException |
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*/ |
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protected function createStatement(AbstractTable $table) |
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{ |
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if (!$table instanceof MySQLTable) { |
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throw new SchemaException('MySQLHandler can process only MySQL tables'); |
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} |
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return parent::createStatement($table) . " ENGINE {$table->getEngine()}"; |
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} |
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} |
spiral /
components
