Subject | Re: [firebird-support] Re: No index used for join on 'starting with' |
---|---|
Author | Ann Harrison |
Post date | 2012-04-11T18:17:54Z |
Dmitry,
the case that appears not to work and this one. And what part of relational
theory allows partial matches on keys.
Sigh,
Ann
[Non-text portions of this message have been removed]
> As expected, it does use the index.Right. And perhaps the author can think about the differences between
>
> > And if this test does use the index, then you'll need
> > a test with ddl and possibly data from the original author.
>
> This is what I'm asking for :-)
>
the case that appears not to work and this one. And what part of relational
theory allows partial matches on keys.
Sigh,
Ann
[Non-text portions of this message have been removed]