rollBackSavepoint() public method Rolls back to a previously created savepoint. public void rollBackSavepoint ( $name )$name string The savepoint name

releaseSavepoint() public method Releases an existing savepoint. public void releaseSavepoint ( $name )$name string The savepoint name

refreshTableSchema() public method (available since version 2.0.6) Refreshes the particular table schema. This method cleans up cached table schema so that it can be re-created later to reflect the database schema change. public void refreshTableSchema ( $name )$name string Table name.

refresh() public method Refreshes the schema. This method cleans up all cached table schemas so that they can be re-created later to reflect the database schema change. public void refresh ( )

quoteValue() public method Quotes a string value for use in a query. Note that if the parameter is not a string, it will be returned without change. See also http://www.php.net/manual/en/function.PDO-quote.php. public string quoteValue ( $str )$str string String to be quoted return string The properly quoted string

quoteTableName() public method Quotes a table name for use in a query. If the table name contains schema prefix, the prefix will also be properly quoted. If the table name is already quoted or contains '(' or '{{', then this method will do nothing. See also quoteSimpleTableName(). public string quoteTableName ( $name )$name string Table name return string The properly quoted table name

quoteSimpleTableName() public method Quotes a simple table name for use in a query. A simple table name should contain the table name only without any schema prefix. If the table name is already quoted, this method will do nothing. public string quoteSimpleTableName ( $name )$name string Table name return string The properly quoted table name

quoteSimpleColumnName() public method Quotes a simple column name for use in a query. A simple column name should contain the column name only without any prefix. If the column name is already quoted or is the asterisk character '*', this method will do nothing. public string quoteSimpleColumnName ( $name )$name string Column name return string The properly quoted column name

quoteColumnName() public method Quotes a column name for use in a query. If the column name contains prefix, the prefix will also be properly quoted. If the column name is already quoted or contains '(', '[[' or '{{', then this method will do nothing. See also quoteSimpleColumnName(). public string quoteColumnName ( $name )$name string Column name return string The properly quoted column name

loadTableSchema() protected abstract method Loads the metadata for the specified table. protected abstract null|yii\db\TableSchema loadTableSchema ( $name )$name string Table name return null|yii\db\TableSchema DBMS-dependent table metadata, null if the table does not exist.