SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 1) Function transform (children 1) ExpressionList (children 3) Literal UInt64_1 Literal Array_[UInt64_1] Function array (children 1) ExpressionList (children 1) Function toDecimal32 (children 1) ExpressionList (children 2) Literal UInt64_1 Literal UInt64_2