SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 1) Asterisk TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) Function format (children 1) ExpressionList (children 2) Identifier CSVWithNamesAndTypes Literal \'ip,port\\nIPv6,UInt16\\n::1,42\\n\'