Re: Adding a field in Path Structure and Plan Structure - Mailing list pgsql-hackers

From Andrew Dunstan
Subject Re: Adding a field in Path Structure and Plan Structure
Date
Msg-id 49A31C00.7090803@dunslane.net
Whole thread Raw
In response to Re: Adding a field in Path Structure and Plan Structure  (Tom Lane <tgl@sss.pgh.pa.us>)
List 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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