From: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Zichen Xu <xzckiller(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Adding a field in Path Structure and Plan Structure |
Date: | 2009-02-23 21:58:24 |
Message-ID: | 49A31C00.7090803@dunslane.net |
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Thread: | |
Lists: | pgsql-hackers |
Tom Lane wrote:
>> Right now, the compile is fine and
>> build is fine. However, everytime the server is running and I send a
>> query to the server, it crashed. as
>>
>
> Crashed where? If you're not reasonably handy with gdb or some other
> favorite debugger, stop what you're doing and go learn one. The
> investment of time will be repaid very quickly if you're doing any
> nontrivial C programming.
>
>
In particular, learn to build postgres with debugging enabled
(--enable-debug), start postgres with core file generation enabled
(pg_ctl -c ... start) and get a backtrace from a core file (gdb -ex bt
--batch /path/to/postgres /path/to/corefile)
cheers
andrew
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