Re: substr_count
От | Rajesh Kumar Mallah |
---|---|
Тема | Re: substr_count |
Дата | |
Msg-id | 200307111523.16115.mallah@trade-india.com обсуждение исходный текст |
Ответ на | substr_count (Tom Rochester <tomr@chu.com.au>) |
Список | pgsql-sql |
On Thursday 10 Jul 2003 10:08 am, Tom Rochester wrote: > Hey all, > > I would like to achive something along the lines of: > > SELECT field FROM table WHERE field ILIKE '$searchterm' ORDER BY > substr_count(field, '$searchterm'); > Hi In case you are attempting to search text in a feild and sort it by relevence then contrib/tsearch V2 is for you. http://www.sai.msu.su/~megera/postgres/gist/tsearch/V2/ regds mallah. > Of course the substr_count function does not exist. Is there anyway to > do this? > > I had a thought char_count(replace(field, !$searchterm, '')) might do > the job but replace doesn't allow for 'replace everything NOT string'; > > Any Ideas? > > Thanks in advance, -- Rajesh Kumar Mallah, Project Manager (Development) Infocom Network Limited, New Delhi phone: +91(11)6152172 (221) (L) ,9811255597 (M) Visit http://www.trade-india.com , India's Leading B2B eMarketplace.
В списке pgsql-sql по дате отправления: