Bryce Nesbitt <bry...@obviously.com> writes:
> I've got a legacy app that does 8.3 incompatible date searches like so:
> explain select count(*) from contexts where publication_date like '2006%';
> explain select count(*) from contexts where publication_date like
> '2006-09%';
> I've got my choice of refactoring, but all these share the same
> sequential scan limitation:
Why are you worrying? The old method surely didn't get indexed either.
(At least, it didn't unless you had an index on publication_date::text,
in which case just throwing in the cast will produce the same results
in 8.3.)
regards, tom lane
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