SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 4) ExpressionList (children 1) Function tuple (alias t) (children 1) ExpressionList (children 3) Literal UInt64_1 Literal UInt64_1 Identifier number TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) Function numbers_mt (children 1) ExpressionList (children 1) Literal UInt64_1000001 ExpressionList (children 2) OrderByElement (children 1) Identifier t OrderByElement (children 1) Identifier number Literal UInt64_1