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Re: User functions and AIX

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Re: User functions and AIX
Date: 2001-05-28 19:15:57
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
darcy(at)druid(dot)net (D'Arcy J.M. Cain) writes:
> I'm also not sure why these functions are involved
> in reading the chkpass type.

Precisely my point: they're not.  That backtrace is false data.

> Hmm.  I just rebooted and reran the test (SELECT 'hello'::chkpass) and
> it gave me a different stacktrace.  It looks like this.

> #0  0x0 in ?? () from (unknown load module)
> #1  0xd1085a60 in chkpass_in (fcinfo=0x0) at chkpass.c:88
> #2  0x1004b874 in OidFunctionCall3 (functionId=269952520, arg1=269952532, 
>     arg2=269952540, arg3=269952548) at fmgr.c:1136
> #3  0x1007f350 in stringTypeDatum (tp=0x10172694, string=0x101726a0 "pendant", 
>     atttypmod=269952680) at parse_type.c:181
> #4  0x10060630 in parser_typecast_constant (expr=0x10172794, 
>     typename=0x101727a0) at parse_expr.c:876

This one I believe to the extent of the series of function calls, but
it's still giving you wrong info about the passed parameters, which
is pretty common if you compiled at -O2 or higher.  Try recompiling with
"-O0 -g" if you need trustworthy parameter info from the backtrace.

			regards, tom lane

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Subject: Re: Re: charin(), text_char() should return something else for empty input
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