Re: UTF8MatchText - Mailing list pgsql-patches

From Andrew Dunstan
Subject Re: UTF8MatchText
Date
Msg-id 464C9990.5010000@dunslane.net
Whole thread Raw
In response to Re: UTF8MatchText  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: UTF8MatchText  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-patches

Tom Lane wrote:
> Wait a second ... I just thought of a counterexample that destroys the
> entire concept.  Consider the pattern 'A__B', which clearly is supposed
> to match strings of four *characters*.  With the proposed patch in
> place, it would match strings of four *bytes*.  Which is not the correct
> behavior.
>
>

 From what I can see the code is quite careful about when it calls
NextByte vs NextChar, and after _ it calls NextChar.

So I'll test for this, but I think it's safe.

cheers

andrew



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