Re: Length of Varchar

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От Tom Lane
Тема Re: Length of Varchar
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Msg-id 13426.1043423139@sss.pgh.pa.us
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Ответ на Re: Length of Varchar  (Robert Treat <xzilla@users.sourceforge.net>)
Ответы Re: Length of Varchar  (Bruce Momjian <pgman@candle.pha.pa.us>)
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Robert Treat <xzilla@users.sourceforge.net> writes:
> There is a "gamblers lunch", for those willing to risk total system
> failure and the lives of there first born child.

Aw, it's not that dangerous ;-).  You can improve your odds considerably
if you issue BEGIN; before you start dorking with the system tables,
and COMMIT only after you're satisfied you have things right.  If you
realize you blew it, ROLLBACK.

Still, I'd recommend practicing on a scratch database before you do it
for real.

            regards, tom lane

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