SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 3) ExpressionList (children 1) Asterisk TablesInSelectQuery (children 2) TablesInSelectQueryElement (children 1) TableExpression (children 1) Function numbers (alias t) (children 1) ExpressionList (children 1) Literal UInt64_10 TablesInSelectQueryElement (children 2) TableExpression (children 1) TableIdentifier join TableJoin (children 1) Function equals (children 1) ExpressionList (children 2) Identifier t.number Identifier join.n ExpressionList (children 1) OrderByElement (children 1) Identifier n