UNKNOWN
SELECT
DELETE
INSERT
UPDATE
ALTER
DROP
CREATE
DELETEMULTI
UNION
INSERTSELECT
TABLEREF
COMMENTS_C
COMMENTS_HASH
COMMENTS_SQL
$sql :
$type :
__construct( $sql = null)
setQuery( $sql = null)
getType()
toSelect()
asExplain()
asExtendedExplain()
figureOutType()