| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "Ross J(dot) Reedstrom" <reedstrm(at)rice(dot)edu> |
| Cc: | "G(dot) Anthony Reina" <reina(at)nsi(dot)edu>, "pgsql-hackers(at)postgreSQL(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: rtrim giving weird result |
| Date: | 2001-03-15 18:18:57 |
| Message-ID: | 14489.984680337@sss.pgh.pa.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
"Ross J. Reedstrom" <reedstrm(at)rice(dot)edu> writes:
>> Is there a way to just remove the "_opto" from the end of the string?
> If you have exactly one known string to (optionally) remove, this works
> (and even works if the string is missing. Watch out for the early
> occurance of substring problem, though!):
> test=# select substr('center_out_opto',1,(strpos('center_out_opto','_opto')-1));
My first thought for any moderately complicated string-bashing problem
is to write a function in pltcl or plperl ... they are much stronger in
string manipulation than SQL itself is.
regards, tom lane
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Ross J. Reedstrom | 2001-03-15 18:37:02 | Re: rtrim giving weird result |
| Previous Message | Peter Eisentraut | 2001-03-15 18:17:20 | Re: Allowing WAL fsync to be done via O_SYNC |