"Andy Shellam" <andy.shellam@mailnetwork.co.uk> writes:
> If this is a bug in 7.3, and it's not in later versions, I doubt the
> developers will be in any hurry to fix it, I don't know - maybe someone
> knows a quick patch fix, or if it was fixed in a later version of the 7.3
> series - as that would only be a minor upgrade (e.g. 7.3.2 to 7.3.8 or
> something), and it wouldn't cause you much downtime.
The 7.3.6 release notes say
Avoid generating invalid character encoding sequences in corner cases when planning LIKE operations
This is far from the most important reason why you shouldn't be running
7.3.2 anymore though. There are quite a lot of security and data-loss
risks fixed in the 7.3 release series. See release notes at
http://developer.postgresql.org/docs/postgres/release.html
regards, tom lane