Re: Undocumented feature costs a lot of performance in COPY

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Undocumented feature costs a lot of performance in COPY
Date: 2001-12-04 20:07:01
Message-ID: 200112042007.fB4K72327600@candle.pha.pa.us
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> I would like to change the code to just "if (c == delim[0])",
> which should buy back most of that 20% and make the behavior match the
> documentation. Question for the list: is this a bad change? Is anyone
> out there actually using this undocumented behavior?

Yes, please fix it. In fact, I think we should throw an error if more
than one character is specified as a delimiter. Saying we ignore
multiple characters in the documentation is not enough when we silently
ignore them in the code.

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Bruce Momjian | http://candle.pha.pa.us
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