populate() public method Converts the raw query results

EVENT_INIT event of type yii\base\Event

queryScalar() public method Executes the SQL statement

__toString() public method Builds the full string for

buildAfterString() protected method Builds the after constraint

$db public property The database connection.

beginTransaction() public method Starts a transaction

insert() public method (available since version 2.0.4) Executes

bindParam() public method Binds a parameter to the SQL

$typeMap public property Mapping from abstract column types (keys)