displaying debug info

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: hackers(at)postgreSQL(dot)org (PostgreSQL-development)
Subject: displaying debug info
Date: 1998-07-31 15:23:22
Message-ID: 199807311523.LAA25554@candle.pha.pa.us
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When running postgresql inside gdb, I have always found it difficult to
dump out structures. Here is something I found, that I have added to
the developers FAQ:

---------------------------------------------------------------------------

You can print nodes easily inside gdb. First, to disable output
truncation:

(gdb) set print elements 0

You may then use either of the next two commands to print out List,
Node, and structure contents. The first prints in a short format, and
the second in a long format:

(gdb) call nodeToString(any_pointer)
(gdb) call pprint(any_pointer)

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