Re: Stored Procedure Question
От | Rajesh Kumar Mallah |
---|---|
Тема | Re: Stored Procedure Question |
Дата | |
Msg-id | Pine.LNX.4.33.0304302331270.1176-100000@localhost.localdomain обсуждение исходный текст |
Ответ на | Stored Procedure Question (Martin Chantler <MC44@acw.co.uk>) |
Список | pgsql-sql |
All that is possible. search google for Set returning functions + postgresql regds Mallah. On Wed, 30 Apr 2003, Martin Chantler wrote: > Hi all, > > I am confused about Postgres stored procedures (aka functions), can they > only return one value??? > All examples I have seen don't return a recordset > > In MS SQL I have many simple procedures that execute SQL given parameters > and return > a recordset, possibly many rows long > > Example: > CREATE PROCEDURE SECGetMenuItems (@userID as varchar(50)) AS > Select distinct SECTask.TaskName, MenuDisplay, NodeName, ParentNode, Type, > ProcedureName, TaskType, Icon > From (SECTaskContext inner join SECTask on SECTaskContext.TaskName = > SECTask.TaskName) > left join > ((select Type, TaskName from SECPermission inner join SystemUserDetails AS > SUD on SECPermission.UserName = SUD.UserID where SUD.UserID = @userID) > union > (select Type, TaskName from SECPermission inner join SECUserGroup on > SECPermission.UserName = SECUserGroup.GroupName where > SECUserGroup.MemberName = @userID)) > as Answer on Answer.TaskName = SECTask.TaskName > Where (Hide = 0 > or Type is not null) > and Nodename is not null > order by ParentNode > > My question is, can I get PostGres procedures to do the same thing? > I am also hoping that they return data to the client in a similar way (I am > using ODBC) > > e.g.: > rs.open "SECGetMenuItems 'MC44'" > then you can treat rs as a normal recordset > > Thanks for any help, > > Martin Chantler > > > ----------------------------------------------------------------------- > Martin Chantler > Application Developer > ACW Technology Ltd > Comines Way > Hedge End > Southampton > Hants SO30 4XX U.K. > > Tel: 023 8048 6000 Fax: 023 8048 6001 > > International Tel : +44 23 8048 6000 Fax : +44 23 8048 6001 > > E-mail: mc44@acw.co.uk Website/URL: www.acw.co.uk > > > ---------------------------(end of broadcast)--------------------------- > TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org >
В списке pgsql-sql по дате отправления: