Re: intercepting where clause on a view or other performance tweak

Russell Keane <Russell.Keane@inps.co.uk> writes:
> Running the following query takes 56+ ms as it does a seq scan of the whole table:
> SELECT CODE FROM stuff
>    WHERE SEARCH_KEY LIKE 'AAAAAA%'

Why don't you create an index on search_key, and forget all these other
machinations?  (If your locale isn't C you'll need to use a
varchar_pattern_ops index.)

            regards, tom lane