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';
id | pid | length | md5
------+---------+--------+----------------------------------
3594 | 8000000 | 7 | 60b5792913f4acbccf45c281fa9e3c9f
(1 row)
$ select id, pid, length(pid), md5(pid) from product where pid like '%8000000';
id | pid | length | md5
------+---------+--------+----------------------------------
3594 | 8000000 | 7 | 60b5792913f4acbccf45c281fa9e3c9f
722 | 8000000 | 7 | 60b5792913f4acbccf45c281fa9e3c9f
(2 rows)
#v-
Check the EXPLAIN output for the two queries. Maybe there is index
corruption somewhere.
