Re: [SQL] Triggers using PL/pgSQL

2006-07-31 Thread George Weaver
- Original Message - From: Aaron Bono To: John DeSoi I don't think so but there was some discussion a week or two ago about mixing variables and using execute. I am curious, does anyone >know what the "best" approach is? Also, I did not address deletions. If you still need to d

Re: [SQL] Triggers using PL/pgSQL

2006-07-31 Thread Milen A. Radev
Thusitha Kodikara написа: > Hello, > > I am interested in developing some triggers to keep track of records that are > changed (possibly the changes of one or more specific columns). In addition > to keeping the new values, I also need to keep the old values (may be on a > separate table). >

Re: [SQL] Triggers using PL/pgSQL

2006-07-31 Thread Ken Hill
On Sun, 2006-07-30 at 21:16 -0700, Thusitha Kodikara wrote: > Hello, > > I am interested in developing some triggers to keep track of records > that are changed (possibly the changes of one or more specific > columns). In addition to keeping the new values, I also need to keep > the old values (ma

Re: [SQL] Triggers using PL/pgSQL

2006-07-31 Thread John DeSoi
On Jul 31, 2006, at 10:59 AM, Aaron Bono wrote: On 7/31/06, John DeSoi <[EMAIL PROTECTED]> wrote: Is it really necessary to build a SQL string and use execute? It seems you could just issue the INSERT statement. I don't think so but there was some discussion a week or two ago about mixing va

Re: [SQL] Triggers using PL/pgSQL

2006-07-31 Thread Aaron Bono
On 7/31/06, John DeSoi <[EMAIL PROTECTED]> wrote: Is it really necessary to build a SQL string and use execute? Itseems you could just issue the INSERT statement.I don't think so but there was some discussion a week or two ago about mixing variables and using execute.  I am curious, does anyone kno

Re: [SQL] Triggers using PL/pgSQL

2006-07-31 Thread John DeSoi
Is it really necessary to build a SQL string and use execute? It seems you could just issue the INSERT statement. On Jul 31, 2006, at 12:52 AM, Aaron Bono wrote: CREATE OR REPLACE FUNCTION my_table_history_fn () RETURNS SETOF opaque AS ' BEGIN -- if a trigger insert or update operation

Re: [SQL] Triggers using PL/pgSQL

2006-07-30 Thread Aaron Bono
No problem.  I have been meaning to put the same code together for myself but have been putting it off.  It gave me an excuse to stop procrastinating.On 7/31/06, Thusitha Kodikara <[EMAIL PROTECTED]> wrote: Hello,Thanks a lot Aaron for the very quick and simple example. I just checked it on 7.4.5 a

Re: [SQL] Triggers using PL/pgSQL

2006-07-30 Thread Thusitha Kodikara
Hello,Thanks a lot Aaron for the very quick and simple example. I just checked it on 7.4.5 also and it worked. I'll be able to continue with my development using  the syntax of that example.Regards,-ThusithaAaron Bono <[EMAIL PROTECTED]> wrote: On 7/30/06, Thusitha Kodikara <[EMAIL PROTECTED]> wrot

Re: [SQL] Triggers using PL/pgSQL

2006-07-30 Thread Aaron Bono
On 7/30/06, Thusitha Kodikara <[EMAIL PROTECTED]> wrote: Hello,I am interested in developing some triggers to keep track of records that are changed (possibly the changes of one or more specific columns). In addition to keeping the new values, I also need to keep the old values (may be on a separat