| From: | Thomas Lockhart <lockhart(at)alumni(dot)caltech(dot)edu> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Thomas Swan <tswan(at)olemiss(dot)edu>, Hackers List <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: LIKE/ESCAPE implementation |
| Date: | 2000-08-06 04:51:05 |
| Message-ID: | 398CEEB9.4E42FCEE@alumni.caltech.edu |
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| Lists: | pgsql-hackers |
> > I had thought it would be trivial to do ILIKE, but now I'm not sure how
> > to handle the multi-byte case. It isn't sufficient to wrap the
> > single-byte comparison arguments with tolower() is it??
> I'd be inclined to force both strings to lower case as a whole and
> then apply normal LIKE. Comments anyone?
OK. "Both strings to lower case as a whole" doesn't seem to be something
which is multibyte-enabled in our code. Am I just missing seeing some
features? istm that lots of our code falls over on MB strings...
> I do not recall seeing a complete proposal, but wasn't someone just
> opining that Oracle has such a feature? If so, borrowing their spec
> seems the thing to do.
Anyone have suggestions for a reference? Altavista on "+ilike +oracle"
doesn't seem to do it.
- Thomas
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