On Sun, Jul 25, 2004 at 00:25:43 -0400,
Bruce Momjian <[EMAIL PROTECTED]> wrote:
> I have completed the 7.5 release notes. You can view them in HTML on
> the developer web page. I have marked a few items with question marks
> that need to be addressed. I am looking for improvements, even minor
> ones. Either send in a patch or committers can modify the file
> directly.
There is a typo (transaction is misspelled) in the following line:
Prior release had no such capability; there was no way to recover from a statement
failure in a transation. This
"match exactly" at the end of the following appears to be spurious:
Before this change some queries would not use an index if the data types did not
exactly match. This improvement makes index usage more intuitive and consistent. match
exactly
In the following paragraph there appear to be two typos. I think
"optimizer make" should be "optimizer makes" and that "lose-source"
should be "closed-source".
It is difficult to explain all the optimizer improvements that go into a release like
this. They involve complex adjustments to the logic used to select indexes, join
methods, and join order. They are difficult to explain, but the result is that the
optimizer make quicker and better choices in how to execute queries, resulting in
improved performance. The close relationship between our developers and users
reporting problems allows us to make rapid and complex optimizer improvements that
would be very difficult for lose-source companies to emulate.
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