SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 1) Function divide (children 1) ExpressionList (children 2) Function toDecimal128 (children 1) ExpressionList (children 2) Literal UInt64_1 Literal UInt64_37 Function toDecimal128 (children 1) ExpressionList (children 2) Literal UInt64_1 Literal UInt64_1 Set