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