beforeSave() public method This method is called at the

EVENT_AFTER_UPDATE event of type yii\db\AfterSaveEvent

afterSave() public method This method is called at the

loadColumnSchema() protected method Loads the column information

check() public method Sets a CHECK constraint

queryScalar() protected method Queries a scalar value

optimisticLock() public method Returns the name of the

dropCommentFromColumn() public method (available since version 2.0.8)

batchInsert() public method Creates and executes an batch

$schema public read-only property The schema information