It's Version 8.3.
Both columns are of a user defined datatype which is a varchar(12)
with a special check.
I already did a REINDEX but it didn't help.
On 6 Mrz., 18:27, t(dot)(dot)(dot)(at)sss(dot)pgh(dot)pa(dot)us (Tom Lane) wrote:
> What PG version is this? Are the two columns of identical datatypes?
> (I'm wondering about possible funny effects from blank-padding rules,
> for example, if one is char and the other is text or varchar.)
> You might also try REINDEXing both tables just in case the problem is a
> corrupt index.