SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 1) Function arrayMap (children 1) ExpressionList (children 2) Function lambda (children 1) ExpressionList (children 2) Function tuple (children 1) ExpressionList (children 1) Identifier x Function plus (children 1) ExpressionList (children 2) Identifier x Literal UInt64_1 Literal Array_[UInt64_1, UInt64_2, UInt64_3]