SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 1) Function mapUpdate (children 1) ExpressionList (children 2) Function map (children 1) ExpressionList (children 4) Literal UInt64_1 Literal UInt64_3 Literal UInt64_3 Literal UInt64_2 Function map (children 1) ExpressionList (children 4) Literal UInt64_1 Literal UInt64_0 Literal UInt64_2 Literal UInt64_0