Re: like/ilike improvements - Mailing list pgsql-hackers

From Tom Lane
Subject Re: like/ilike improvements
Date
Msg-id 29235.1180058622@sss.pgh.pa.us
Whole thread Raw
In response to Re: like/ilike improvements  (Andrew Dunstan <andrew@dunslane.net>)
Responses Re: like/ilike improvements
Re: like/ilike improvements
List pgsql-hackers
Andrew Dunstan <andrew@dunslane.net> writes:
> Tom Lane wrote:
>> You have to be on a first byte before you can meaningfully apply
>> NextChar, and you have to use NextChar or else you don't count
>> characters correctly (eg "__" must match 2 chars not 2 bytes).

> Yes, I agree completely. However it looks to me like IsFirstByte will in 
> fact always be true when we get to call NextChar for matching "_" for UTF8.

If that's true, the patch is failing to achieve its goal of treating %
bytewise ...
        regards, tom lane


pgsql-hackers by date:

Previous
From: Andrew Dunstan
Date:
Subject: Re: like/ilike improvements
Next
From: "Guido Barosio"
Date:
Subject: block size