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On Thursday 31 May 2001 10:07, Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> We still haven't learned how to do it right, actually. I think the
> history of the LIKE indexing problem is a perfect example of why fixes
> that work for some people but not others don't survive long. We put out
> several attempts at making it work reliably in non-ASCII locales, but
> none of them have withstood the test of actual usage.
While this subject is fresh, let me ask the obvious questions:
1.) What locales do we know are problematic?
2.) What will happen to user queries and data in those locales?
3.) What has been fixed for this (last I remember there was an index
corruption issue, and multiple collation problems)? The 7.1 HISTORY has the
blanket statement 'Many multi-byte/Unicode/locale fixes (Tatsuo and others)'
instead of a list of the actual bugs fixed.
Looking through the archives Ifind some details, such as the function
locale_is_like_safe() , and I see other details -- but a concise picture of
what one can expect operating in a non-locale_is_like_safe() (which
currently includes ONLY the C and POSIX locales) locale would be, IMHO,
useful information that people wouldn't have to dredge around for -- and
should probably go into the current locale docs under the Problems heading.
- --
Lamar Owen
WGCR Internet Radio
1 Peter 4:11
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