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Re: plperl & sort

From: Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>
To: pgsql-bugs(at)postgresql(dot)org
Subject: Re: plperl & sort
Date: 2008-11-05 17:54:10
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Lists: pgsql-bugs
>>>>> "nathan" == nathan wagner <nw(at)hydaspes(dot)if(dot)org> writes:

 nathan> Completely untested speculation based on my knowledge of perl
 nathan> and a bit of reading:

 nathan> The reason you can't see $a and $b is that sort internally
 nathan> sets these variables in the main package.  That is, sort is
 nathan> setting $main::a and $main::b, and when you run the plperl
 nathan> code in the safe compartment, main:: isn't visible any more.

Nice theory, but completely wrong: sort creates $a and $b in the
current package, not in main::.

Andrew (irc:RhodiumToad)

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