SelectWithUnionQuery (children 2) ExpressionList (children 1) SelectQuery (children 4) ExpressionList (children 1) Literal \'1111\' (alias name) TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier system.numbers_mt ExpressionList (children 1) OrderByElement (children 1) Identifier name Literal UInt64_10000 Identifier Null