Re: how to count string occurrence in column
| От | Ben-Nes Michael |
|---|---|
| Тема | Re: how to count string occurrence in column |
| Дата | |
| Msg-id | 002001c24de3$960944e0$aa0f5ac2@canaan.co.il обсуждение исходный текст |
| Ответ на | Re: how to count string occurrence in column ("Nigel J. Andrews" <nandrews@investsystems.co.uk>) |
| Ответы |
Re: how to count string occurrence in column
|
| Список | pgsql-general |
yes, this is what i want.
but this dont work :(
pg - 7.1.3
> > Actually i'm sure the original poster is after something like:
> >
> > SELECT count('qwerty qwert qwertyffff fff qq', 'qwerty');
> > count
> > --------
> > 2
> > (1 row)
> >
> > But off the top of my head i cannot think of a suitable standard
> > function...
>
> Woops, posted too quick. Maybe my posting doesn't answer the original
> question:
>
> column1
> row 1 'test test'
> row 2 'test'
>
> My statement would count 2. Maybe the OP would want 3. In that case, I
> think you'll have to write some code that counts substring occurences.
>
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