Re: instr detail
| От | Ramesh T |
|---|---|
| Тема | Re: instr detail |
| Дата | |
| Msg-id | CAK8Zd=uypdLtAxZwFRfYgeC0Y14EYduDy0aUprScoWi-XHkOFg@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: instr detail (Tom Lane <tgl@sss.pgh.pa.us>) |
| Ответы |
Re: instr detail
|
| Список | pgsql-general |
select position('.' in '.T.homas')
result
--------
1
it returns first postion.but I need last occurence of ' . ' .
actual result
------
3
any help..?appreciated.
On Thu, Jul 30, 2015 at 5:00 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
Melvin Davidson <melvin6925@gmail.com> writes:
> Based om the definition of Oracle instr(), the equivalent PostgreSQL
> function would be
> position(substring in string).
See http://www.postgresql.org/docs/9.4/static/plpgsql-porting.html
particularly the "appendix" at the bottom. I'm not sure that code
is still the best way to do it (it's very old), but it's there.
regards, tom lane
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