lithium\data\source\database\adapter\MySql::$_constraints

protected property

Column contraints

Source

	protected $_constraints = [
		'primary' => ['template' => 'PRIMARY KEY ({:column})'],
		'foreign_key' => [
			'template' => 'FOREIGN KEY ({:column}) REFERENCES {:to} ({:toColumn}) {:on}'
		],
		'index' => ['template' => 'INDEX ({:column})'],
		'unique' => [
			'template' => 'UNIQUE {:index} ({:column})',
			'key' => 'KEY',
			'index' => 'INDEX'
		],
		'check' => ['template' => 'CHECK ({:expr})']
	];