Re: OCTET_LENGTH is wrong

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От Bruce Momjian
Тема Re: OCTET_LENGTH is wrong
Дата
Msg-id 200111181532.fAIFWGJ17065@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: OCTET_LENGTH is wrong  (Tatsuo Ishii <t-ishii@sra.co.jp>)
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> > > BTW, I noticed that textlength() is absolutely unreasonably slow when
> > > MULTIBYTE is enabled --- yesterday I was trying to profile TOAST
> > > overhead, and soon discovered that what I was looking at was nothing
> > > but pg_mblen() calls.  It really needs a short-circuit path for
> > > single-byte encodings.
> > 
> > It's easy to optimize that. However I cannot access CVS anymore after
> > the IP address change. Will post patches later...
> 
> Seems I got the cvs access again (I was asked my pass phrase again)
> and I have committed changes for this.
> 
> Modified functions are:
> 
> bpcharlen
> textlen
> varcharlen

OK, sorry, I see you did the optimization, not changed the length
functio.

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