Re: Unitialized Values in record_image_cmp

From: Merlin Moncure <mmoncure(at)gmail(dot)com>
To: Andres Freund <andres(at)2ndquadrant(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Kevin Grittner <kgrittn(at)mail(dot)com>
Subject: Re: Unitialized Values in record_image_cmp
Date: 2013-10-17 13:16:58
Message-ID: CAHyXU0z8nr3mmJ+AS+NG0cwyYL=z-x7WxjtNZC0rZuLgBO-ggA@mail.gmail.com
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On Thu, Oct 17, 2013 at 8:01 AM, Andres Freund <andres(at)2ndquadrant(dot)com> wrote:
> Hi,
>
> Valgrind tells me:
> ==442828== Conditional jump or move depends on uninitialised value(s)
> ==442828== at 0x80084F: record_image_cmp (rowtypes.c:1521)
> ==442828== by 0x801522: btrecordimagecmp (rowtypes.c:1839)
> ==442828== by 0x8C6604: comparison_shim (sortsupport.c:53)
> ==442828== by 0x64284D: ApplySortComparator (sortsupport.h:143)
> ==442828== by 0x642F3B: MJCompare (nodeMergejoin.c:412)
> ==442828== by 0x643A29: ExecMergeJoin (nodeMergejoin.c:1211)
> ==442828== by 0x62305A: ExecProcNode (execProcnode.c:453)
> ==442828== by 0x640800: ExecLimit (nodeLimit.c:91)
> ==442828== by 0x623135: ExecProcNode (execProcnode.c:500)
> ==442828== by 0x620E15: ExecutePlan (execMain.c:1472)
> ==442828== by 0x61EF94: standard_ExecutorRun (execMain.c:307)
> ==442828== by 0x61EE0B: ExecutorRun (execMain.c:255)
>

I think Kevin got to it already. see:
http://postgresql.1045698.n5.nabble.com/Record-comparison-compiler-warning-td5774794.html

merlin

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