Hi Rafal This function returns the position where the substring is found, so you could do a query with clause position(table1.field in table2.field)
The 0 result is not found and maybe, in your case, is faster the use of internal text functions instead of like comparison... hope helps. Bye El 23/04/2013, a las 11:24, Rafał Pietrak <ra...@zorro.isa-geek.com> escribió: > W dniu 04/22/2013 08:43 PM, Alfonso Afonso pisze: >> I forgot to say that the function is "position ( txtseach in txtcomplete)" :) >> >> Bye > > > Alfonso, thenx > > But if I may: How can I use that function? In a context of my problem? > > then again. At the edge of desperation, I'm thinking of writing a function, > that will fetch all the KEYWORDS in one query, then cook explicit WHERE > clause by string operations, and then EXECUTE it. With (currently) four > keywords, I'd expect such function to return results within 5 seconds at most. > > but I'd expect that there should be a way to "tell this" to postgresql SQL > directly. Isn't it? > > > -R > > Alfonso Afonso (personal) -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
