Re: optimization/indexing
Re: optimization/indexing
- Subject: Re: optimization/indexing
- From: Guido Neitzer <email@hidden>
- Date: Thu, 18 Dec 2008 23:19:06 -0700
On 18.12.2008, at 21:26, Chuck Hill wrote:
FB might have fixed that. I am pretty sure that someone was
complaining about the OR vs IN difference being quite significant.
That might have been FB 3. You know us old folks, we all live in
the past. ;-)
I'm not sure on OR vs. IN, but FrontBase up to the current version
cannot use an index on something like:
select foo from bar where a = 1 or b = 1;
It can use an index on:
select foo from bar where a = 1 or a = 2;
So, the query in the example SHOULD be okay. But it is obviously not.
cug
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