SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 1) Function has (children 1) ExpressionList (children 2) Function array (children 1) ExpressionList (children 2) Literal Tuple_(UInt64_1, UInt64_2) Literal Tuple_(UInt64_3, UInt64_4) Function tuple (children 1) ExpressionList (children 2) Function toUInt16 (children 1) ExpressionList (children 1) Literal UInt64_3 Literal UInt64_4