Re: SQL-Invoked Procedures for 8.1 - Mailing list pgsql-hackers

From Grant Finnemore
Subject Re: SQL-Invoked Procedures for 8.1
Date
Msg-id 41528A84.4080102@guruhut.co.za
Whole thread Raw
In response to Re: SQL-Invoked Procedures for 8.1  ("Magnus Hagander" <mha@sollentuna.net>)
Responses Re: SQL-Invoked Procedures for 8.1
List pgsql-hackers
Hi Magnus,

Yes, this is the situation that I have been thinking about. Specifically
when a single stored procedure returns many recordsets.

Perhaps I should also clarify that the "spec" I have been using is
the JDK javadoc documentation.

Using java with Magnus' procedure:  CallableStatement cs = connection.prepareCall("call get_info_for_user ?");
cs.setString(1,"test");  if(cs.execute()) {     ResultSet rs = cs.getResultSet();     while(rs != null) {       //
Processrs     }  }
 

Regards,
Grant

Magnus Hagander wrote:
[snip]
> 
> Not a user of JDBC, but this is fairly common in the ADO/ADO.NET world
> with MS SQL Server as well (not sure about other dbs and .NET - I'ev
> only used it with mssql and pgsql)... As for an example, something along
> the line of (though in my cases usually with a *lot* more parameters):
> 
> --
> CREATE PROCEDURE get_info_for_user(@userid varchar(16)) AS
>  SELECT something FROM contentstable WHERE userid=@userid
> 
>  SELECT whatever,somethingelse FROM anothertable WHERE
> something=anything
> --
> 
> You get the point :-)
> Then in my .net code I'd do a simple:
> SqlDataReader rdr = cmd.ExecuteReader();
> ... process first result ...
> rdr.NextResult();
> ... process second result...
> 


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