Re: proposal: possibility to read dumped table's name from file

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: Daniel Gustafsson <daniel(at)yesql(dot)se>
Cc: Justin Pryzby <pryzby(at)telsasoft(dot)com>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, "Gregory Stark (as CFM)" <stark(dot)cfm(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Andrew Dunstan <andrew(at)dunslane(dot)net>, John Naylor <john(dot)naylor(at)enterprisedb(dot)com>, Erik Rijkers <er(at)xs4all(dot)nl>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Surafel Temesgen <surafel3000(at)gmail(dot)com>, vignesh C <vignesh21(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: proposal: possibility to read dumped table's name from file
Date: 2023-11-13 13:15:50
Message-ID: CAFj8pRAZ8DNZY_Wevp7JvD+vw3B87E=B39qkKuXUG9tUCzyDAg@mail.gmail.com
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Hi

ne 12. 11. 2023 v 14:17 odesílatel Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
napsal:

> Hi
>
>
>> What are your thoughts on this version? It's not in a committable state
>> as it
>> needs a bit more comments here and there and a triplecheck that nothing
>> was
>> missed in changing this, but I prefer to get your thoughts before
>> spending the
>> extra time.
>>
>
> I think using pointer to exit function is an elegant solution. I checked
> the code and I found only one issue. I fixed warning
>
> [13:57:22.578] time make -s -j${BUILD_JOBS} world-bin
> [13:58:20.858] filter.c: In function ‘pg_log_filter_error’:
> [13:58:20.858] filter.c:161:2: error: function ‘pg_log_filter_error’ might
> be a candidate for ‘gnu_printf’ format attribute
> [-Werror=suggest-attribute=format]
> [13:58:20.858] 161 | vsnprintf(buf, sizeof(buf), fmt, argp);
> [13:58:20.858] | ^~~~~~~~~
> [13:58:20.858] cc1: all warnings being treated as errors
>
> and probably copy/paste bug
>
> diff --git a/src/bin/pg_dump/pg_restore.c b/src/bin/pg_dump/pg_restore.c
> index f647bde28d..ab2abedf5f 100644
> --- a/src/bin/pg_dump/pg_restore.c
> +++ b/src/bin/pg_dump/pg_restore.c
> @@ -535,7 +535,7 @@ read_restore_filters(const char *filename,
> RestoreOptions *opts)
> case FILTER_OBJECT_TYPE_EXTENSION:
> case FILTER_OBJECT_TYPE_FOREIGN_DATA:
> pg_log_filter_error(&fstate, _("%s filter for \"%s\"
> is not allowed."),
> - "exclude",
> + "include",
> filter_object_type_name(objtype));
> exit_nicely(1);
>
> Regards
>
> Pavel
>

next update - fix used, but uninitialized "is_include" variable, when
filter is of FILTER_OBJECT_TYPE_NONE

fix crash

# Running: pg_ctl -w -D
/tmp/cirrus-ci-build/build-32/testrun/pg_dump/005_pg_dump_filterfile/data/t_005_pg_dump_filterfile_main_data/pgdata
-l /tmp/cirrus-ci-build/build-32/testrun/pg_dump/005_pg_dump_filterfile/log/005_pg_dump_filterfile_main.log
-o --cluster-name=main start
waiting for server to start.... done
server started
# Postmaster PID for node "main" is 71352
# Running: pg_dump -p 65454 -f
/tmp/cirrus-ci-build/build-32/testrun/pg_dump/005_pg_dump_filterfile/data/t_005_pg_dump_filterfile_main_data/backup/plain.sql
--filter=/tmp/cirrus-ci-build/build-32/testrun/pg_dump/005_pg_dump_filterfile/data/tmp_test_0mO3/inputfile.txt
postgres
../src/bin/pg_dump/pg_dump.c:18800:7: runtime error: load of value 86,
which is not a valid value for type '_Bool'
==71579==Using libbacktrace symbolizer.
#0 0x566302cd in read_dump_filters ../src/bin/pg_dump/pg_dump.c:18800
#1 0x56663429 in main ../src/bin/pg_dump/pg_dump.c:670
#2 0xf7694e45 in __libc_start_main (/lib/i386-linux-gnu/libc.so.6+0x1ae45)
#3 0x56624d50 in _start
(/tmp/cirrus-ci-build/build-32/tmp_install/usr/local/pgsql/bin/pg_dump+0x1ad50)

Regards

Pavel

>
>
>>
>> --
>> Daniel Gustafsson
>>
>>

Attachment Content-Type Size
v20231113-0004-fix-uninitialize-is_include-variable-runtime-error-l.patch text/x-patch 710 bytes
v20231113-0003-add-more-tests-related-to-unsupported-options-of-pg_.patch text/x-patch 2.6 KB
v20231113-0002-fix-err-message.patch text/x-patch 838 bytes
v20231113-0001-possibility-to-read-options-for-dump-from-file.patch text/x-patch 61.7 KB

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