SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 2) Function sqidEncode (alias sqid) (children 1) ExpressionList (children 3) Literal UInt64_1 Literal UInt64_2 Literal UInt64_3 Function sqidDecode (children 1) ExpressionList (children 1) Identifier sqid