Re: unable to understand query result

On Wed, Jul 06, 2022 at 11:40:22AM +0200, Peter Eisentraut wrote:
> On 06.07.22 11:31, Stefan Froehlich wrote:
> >I have a database returing these result sets for two almost
> >identical queries:
> >
> >#v+
> >$ select id, pid, length(pid), md5(pid) from product where pid like '8000000';
> >(1 row)
> >
> >$ select id, pid, length(pid), md5(pid) from product where pid like '%8000000';
> >(2 rows)
> >#v-

> Check the EXPLAIN output for the two queries. Maybe there is index
> corruption somewhere.

OMG. Thanks, this was the root of the problem. Never run into this
before so it did not come to my mind.

Bye,
Stefan