Hiroyuki Sato <hiroysato@gmail.com> wrote:
> Hello.
>
> I would like to create the query like the following.
> It work well, but extreme slow.
> Is it possible to improve this query like the command ``grep -f keyword data``?
>
> What kind of Index should I create on url_lists table?
can you show us the create table and create index - statements?
And, the explain analyse of your query? And, finally, the pg-version?
You got an index-scan, seems okay for me.
Andreas
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