Re: [GENERAL] Implementing a change log

2005-09-20 Thread Berend Tober
Greg Sabino Mullane wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 My original intention was to keep two sets of tables. The first containing only the working set of current records. The second containing all prior versions. I haven't experimented with such a setup yet and I'm

Re: [GENERAL] Implementing a change log

2005-09-20 Thread Berend Tober
Berend Tober wrote: ...See User Comments at http://www.postgresql.org/docs/8.0/interactive/tutorial-inheritance.html; for something that should set you afire. And, commenting on my own post, try this cool function: /* The following is based on suggestion by Mike Rylander posted on

Re: [GENERAL] Implementing a change log

2005-09-20 Thread Mike Rylander
On 9/20/05, Berend Tober [EMAIL PROTECTED] wrote: /* The following is based on suggestion by Mike Rylander posted on Postgresql-General Sun, 18 Sep 2005 23:29:51 + Rylander's original suggestion employed a trigger and tracked only row updates. My implementation makes use of rules and

Re: [GENERAL] Implementing a change log

2005-09-20 Thread Berend Tober
Mike Rylander wrote: On 9/20/05, Berend Tober [EMAIL PROTECTED] wrote: /* The following is based on suggestion by Mike Rylander posted on Postgresql-General Sun, 18 Sep 2005 23:29:51 + Rylander's original suggestion employed a trigger and tracked only row updates. My implementation

Re: [GENERAL] Implementing a change log

2005-09-20 Thread Michael Schuerig
On Tuesday 20 September 2005 08:44, Berend Tober wrote: Greg Sabino Mullane wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 [MS: on audit tables] Can anyone relate their experiences with such a thing? Which approaches should I take into consideration? I like the multi-table

Re: [GENERAL] Implementing a change log

2005-09-20 Thread Mike Rylander
On 9/20/05, Berend Tober [EMAIL PROTECTED] wrote: [snip] I guess I originally thought using INHERIT rather than LIKE was that, having the audit history, I might at some point present a select view across both the base and descendant tables or something (...if you record it, they (PHB's) will

Re: [GENERAL] Implementing a change log

2005-09-19 Thread Greg Sabino Mullane
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 My original intention was to keep two sets of tables. The first containing only the working set of current records. The second containing all prior versions. I haven't experimented with such a setup yet and I'm wondering if it is even

[GENERAL] Implementing a change log

2005-09-18 Thread Michael Schuerig
In my current project I have a customer requirement for implementing a change log. This is not just for auditing purposes, rather it is meant to be accessible by users so they can get an overview of the change history of an object. The entire data set is not big, I'm expecting considerably

Re: [GENERAL] Implementing a change log

2005-09-18 Thread Mike Rylander
On 9/18/05, Michael Schuerig [EMAIL PROTECTED] wrote: In my current project I have a customer requirement for implementing a change log. This is not just for auditing purposes, rather it is meant to be accessible by users so they can get an overview of the change history of an object. The

Re: [GENERAL] Implementing a change log

2005-09-18 Thread Michael Schuerig
On Monday 19 September 2005 01:29, Mike Rylander wrote: On 9/18/05, Michael Schuerig [EMAIL PROTECTED] wrote: In my current project I have a customer requirement for implementing a change log. This is not just for auditing purposes, rather it is meant to be accessible by users so they can