Re: Solaris 8 regression test failure with 8.0.0beta5

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От
Tom Lane
Тема
Re: Solaris 8 regression test failure with 8.0.0beta5
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25423.1101365135@sss.pgh.pa.us
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Solaris 8 regression test failure with 8.0.0beta5 Kenneth Marshall <ktm@it.is.rice.edu>
Re: Solaris 8 regression test failure with 8.0.0beta5 Tom Lane <tgl@sss.pgh.pa.us>
Re: Solaris 8 regression test failure with 8.0.0beta5 Greg Stark <gsstark@mit.edu>
Re: Solaris 8 regression test failure with 8.0.0beta5 Tom Lane <tgl@sss.pgh.pa.us>
Kenneth Marshall  writes:
> Here are the diffs for the regression test failures on Solaris 8.
> The tests work fine on Redhat9 and Redhat Enterprise Linux 3.

... and most other platforms ...

>   select 1/0;
> ! ERROR:  floating-point exception
> ! DETAIL:  An invalid floating-point operation was signaled. This probably means an out-of-range result or an invalid operation, such as division by zero.

This query would invoke the following code in int4div:
   if (arg2 == 0)       ereport(ERROR,               (errcode(ERRCODE_DIVISION_BY_ZERO),                errmsg("division by zero")));
   result = arg1 / arg2;

I suggest directing some strong words to your compiler vendor.  If the
"if" test doesn't complete before the subsequent division causes a trap,
that is not our problem.
		regards, tom lane

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