SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 3) ExpressionList (children 1) Function transform (children 1) ExpressionList (children 3) Identifier number Literal Array_[UInt64_3, UInt64_5, UInt64_7] Literal Array_[UInt64_111, UInt64_222, UInt64_333] TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier system.numbers Literal UInt64_10