On Fri, 16 May 2008, Scott Marlowe wrote:
Well, I'm guessing that you aren't in locale=C and that the text
Correct, I am not. And my understanding is that by moving to the C locale, I would loose utf8 validation, so I don't want to go there. Though, it's news to me that I would get any kind of select performance boost with locale=C. Why would it help?
functions in your query aren't indexed. Try creating an index on them something like: create index abc_txtfield_func on mytable (substring(textfield,1,5)); etc and see if that helps.
It does not. :( -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
