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From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: Chris Bitmead <chris(at)bitmead(dot)com>, pgsql-core(at)postgresql(dot)org, "pgsql-patches(at)postgresql(dot)org" <pgsql-patches(at)postgresql(dot)org>
Subject: Re: Re: [CORE] Re: MY PATCH
Date: 2000-06-09 15:05:21
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-patches
Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> #5  0x81487bf in ExceptionalCondition (
>     conditionName=0x8195bd6 "!((relation)->rd_refcnt > 0)", 
>     exceptionP=0x819f8fc, detail=0x0, fileName=0x8195a21 "relcache.c", 
>     lineNumber=1337) at assert.c:73
> #6  0x81457e2 in RelationClose (relation=0x8243268) at relcache.c:1337
> #7  0x8072803 in heap_close (relation=0x8243268, lockmode=0) at heapam.c:620
> #8  0x80ae9e2 in EndPlan (plan=0x824bf90, estate=0x824cc18) at execMain.c:958
> #9  0x80ae2b0 in ExecutorEnd (queryDesc=0x824cc00, estate=0x824cc18)
>     at execMain.c:358
> #10 0x810db6c in ProcessQueryDesc (queryDesc=0x824cc00, limoffset=0x0, 
>     limcount=0x0) at pquery.c:336
> #11 0x810dbce in ProcessQuery (parsetree=0x8234288, plan=0x824bf90, 
>     dest=Remote) at pquery.c:369
> #12 0x810c5df in pg_exec_query_dest (
>     query_string=0x81cd368 "UPDATE a SET aa='zzzz' WHERE aa='aaaa';", 
>     dest=Remote, aclOverride=0) at postgres.c:642

I'll betcha this is the same situation that I guessed at in my crash
report: the executor is probably trying to shut down the same plan node

BTW, the reason I didn't see this particular crash is that I don't
*have* an 'inherit' regression test:

$ ls pgsql/src/test/regress/*inherit*
pgsql/src/test/regress/*inherit* not found

Did you forget to commit some files, Bruce?

Note to Chris: --enable-cassert is an absolute requirement for
testing backend changes, and personally I like to build with

			regards, tom lane

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Subject: Re: Patch for more readable parse error messages
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