Re: BUG #1931: ILIKE and LIKE fails on Turkish locale

Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> Tom Lane wrote:
>> So yeah, ILIKE looks just about completely broken for multibyte encodings.

> Did we make any progress on this? If so, I can't find it.

No, nobody submitted a patch AFAIR. There should be a TODO item for
this:

* fix ILIKE and regular expressions to handle case insensitivity
properly in multibyte encodings

BTW, while looking to see if TODO had anything about this, I noted
the following items that shouldn't be there anymore --- they are
done and pushed out:

o Add new version of PQescapeString() that doesn't double backslashes
that are part of a client-only multibyte sequence

Single-quote is not a valid byte in any supported client-only
encoding. This requires using mblen() to determine if the
backslash is inside or outside a multi-byte sequence.

o Add new version of PQescapeString() that doesn't double
backslashes when standard_conforming_strings is true and
non-E strings are used

regards, tom lane