Re: pg_dump 'die_on_errors'

From: Philip Warner <pjw(at)rhyme(dot)com(dot)au>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, pgsql-patches(at)postgresql(dot)org
Subject: Re: pg_dump 'die_on_errors'
Date: 2004-08-16 01:10:18
Message-ID: 6.1.1.1.0.20040816100607.04c2ea70@203.8.195.10
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At 01:32 AM 16/08/2004, Tom Lane wrote:
>It'd be substantially *more* helpful if it reported the failing command.

They are two different problems; the TOC entry is important for any
multiline command or to rerun the command easily later.

Whereas displaying the failed SQL command is a matter of fixing the error
messages.

The latter is complicated by failed COPY commands which, with die-on-errors
off, results in the data being processed as a command, so dumping the
command will dump all of the data.

In the case of long commands, should the whole command be dumped? eg. (eg.
several pages of function definition).

In the case of the COPY command, I'm not sure what to do. Obviously, it
would be best to avoid sending the data, but the data and command are
combined (from memory). Also, the 'data' may be in the form of INSERT
statements.

Attached patch produces the first 125 chars of the command:

pg_restore: [archiver (db)] Error while PROCESSING TOC:
pg_restore: [archiver (db)] Error from TOC Entry 26; 1255 16449270 FUNCTION
plpgsql_call_handler() pjw
pg_restore: [archiver (db)] could not execute query: ERROR: function
"plpgsql_call_handler" already exists with same argument types
Command was: CREATE FUNCTION plpgsql_call_handler() RETURNS
language_handler
AS '/var/lib/pgsql-8.0b1/lib/plpgsql', 'plpgsql_call_han...
pg_restore: [archiver (db)] Error from TOC Entry 27; 1255 16449271 FUNCTION
plpgsql_validator(oid) pjw
pg_restore: [archiver (db)] could not execute query: ERROR: function
"plpgsql_validator" already exists with same argument types
Command was: CREATE FUNCTION plpgsql_validator(oid) RETURNS void
AS '/var/lib/pgsql-8.0b1/lib/plpgsql', 'plpgsql_validator'
LANGU...

----------------------------------------------------------------
Philip Warner | __---_____
Albatross Consulting Pty. Ltd. |----/ - \
(A.B.N. 75 008 659 498) | /(@) ______---_
Tel: (+61) 0500 83 82 81 | _________ \
Fax: (+61) 03 5330 3172 | ___________ |
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| --________--
PGP key available upon request, | /
and from pgp.mit.edu:11371 |/

Attachment Content-Type Size
pg_dump_040815-1.patch.gz application/octet-stream 1.9 KB

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