SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 1) Function arrayEnumerateUniqRanked (children 1) ExpressionList (children 5) Literal UInt64_2 Literal Array_[UInt64_1, UInt64_2, UInt64_1] Literal UInt64_1 Literal Array_[Array_[UInt64_1, UInt64_2, UInt64_3], Array_[UInt64_2, UInt64_2, UInt64_1], Array_[UInt64_3]] Literal UInt64_2