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Presently, pg_upgrade assumes that all non-default tablespaces
don't move to different directories during upgrade. Unfortunately,
this isn't true for in-place tablespaces, which move to the new
cluster's pg_tblspc directory. This commit teaches pg_upgrade to
handle in-place tablespaces by retrieving the tablespace
directories for both the old and new clusters. In turn, we can
relax the prohibition on non-default tablespaces for same-version
upgrades, i.e., if all non-default tablespaces are in-place,
pg_upgrade may proceed.
This change is primarily intended to enable additional pg_upgrade
testing with non-default tablespaces, as is done in
006_transfer_modes.pl.
Reviewed-by: Corey Huinker <corey.huinker@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/aA_uBLYMUs5D66Nb%40nathan
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Backpatch-through: 13
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Similar to 720b0eaae9b, discovered by MinGW.
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Most callers of strerror() are removed from the backend code. The
remaining callers require special handling with a saved errno from a
previous system call. The frontend code still needs strerror() where
error states need to be handled outside of fprintf.
Note that pg_regress is not changed to use %m as the TAP output may
clobber errno, since those functions call fprintf() and friends before
evaluating the format string.
Support for %m in src/port/snprintf.c has been added in d6c55de1f99a,
hence all the stable branches currently supported include it.
Author: Dagfinn Ilmari Mannsåker
Discussion: https://postgr.es/m/87sf13jhuw.fsf@wibble.ilmari.org
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Reported-by: Michael Paquier
Discussion: https://postgr.es/m/ZZKTDPxBBMt3C0J9@paquier.xyz
Backpatch-through: 12
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Backpatch-through: 11
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pg_upgrade does not use common/logging.c, which is unfortunate
but changing it to do so seems like more work than is justified.
However, we really need to make it work more like common/logging.c
in one respect: the latter expects supplied message strings to not
end with a newline, instead adding one internally. As it stands,
pg_upgrade's logging facilities expect a caller-supplied newline
in some cases and not others, which is already an invitation to bugs,
but the inconsistency with our other frontend code makes it worse.
There are already several places with missing or extra newlines,
and it's inevitable that there won't be more if we let this stand.
Hence, run around and get rid of all trailing newlines in message
strings, and add an Assert that there's not one, similar to the
existing Assert in common/logging.c. Adjust the logging functions
to supply a newline at the right places.
(Some of these strings also have a *leading* newline, which would
be a good thing to get rid of too; but this patch doesn't attempt
that.)
There are some consequent minor changes in output. The ones that
aren't outright bug fixes are generally removal of extra blank
lines that the original coding intentionally inserted. It didn't
seem worth being bug-compatible with that.
Patch by me, reviewed by Kyotaro Horiguchi and Peter Eisentraut
Discussion: https://postgr.es/m/113191.1655233060@sss.pgh.pa.us
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These are especially useless because the whole point of pg_free() was
to do that very check before calling free().
pg_free() could be removed altogether, but I'm keeping it here to keep
the API consistent.
Discussion: https://www.postgresql.org/message-id/flat/dac5d2d0-98f5-94d9-8e69-46da2413593d%40enterprisedb.com
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Backpatch-through: 10
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Instead, put them in via a format placeholder. This reduces the
number of distinct translatable messages and also reduces the chances
of typos during translation. We already did this for the system call
arguments in a number of cases, so this is just the same thing taken a
bit further.
Discussion: https://www.postgresql.org/message-id/flat/92d6f545-5102-65d8-3c87-489f71ea0a37%40enterprisedb.com
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Backpatch-through: 9.5
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Backpatch-through: update all files in master, backpatch legal files through 9.4
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Discussion: https://postgr.es/m/20191128144653.GA27883@alvherre.pgsql
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Author: Vignesh C
Reviewed-by: Dilip Kumar, Michael Paquier
Discussion: https://postgr.es/m/CALDaNm0ni+GAOe4+fbXiOxNrVudajMYmhJFtXGX-zBPoN8ixhw@mail.gmail.com
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Similar to commit 7e735035f2, this commit makes the order of header file
inclusion consistent for non-backend modules.
In passing, fix the case where we were using angle brackets (<>) for the
local module includes instead of quotes ("").
Author: Vignesh C
Reviewed-by: Amit Kapila
Discussion: https://postgr.es/m/CALDaNm2Sznv8RR6Ex-iJO6xAdsxgWhCoETkaYX=+9DW3q0QCfA@mail.gmail.com
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Backpatch-through: certain files through 9.4
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reap_child() basically ignored the possibility of either an error in
waitpid() itself or a child process failure on signal. We don't really
need to do more than report and crash hard, but proceeding as though
nothing is wrong is definitely Not Acceptable. The error report for
nonzero child exit status was pretty off-point, as well.
Noted while fooling around with child-process failure detection
logic elsewhere. It's been like this a long time, so back-patch to
all supported branches.
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Previously an inaccurate but harmless error was generated when running
--check on a live server before reporting the servers as compatible.
The fix is to split error reporting and exit control in the exec_prog()
API.
Reported-by: Daniel Westermann
Backpatch-through: 10
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Backpatch-through: certain files through 9.3
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c.h #includes a number of core libc header files, such as <stdio.h>.
There's no point in re-including these after having read postgres.h,
postgres_fe.h, or c.h; so remove code that did so.
While at it, also fix some places that were ignoring our standard pattern
of "include postgres[_fe].h, then system header files, then other Postgres
header files". While there's not any great magic in doing it that way
rather than system headers last, it's silly to have just a few files
deviating from the general pattern. (But I didn't attempt to enforce this
globally, only in files I was touching anyway.)
I'd be the first to say that this is mostly compulsive neatnik-ism,
but over time it might save enough compile cycles to be useful.
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Backpatch certain files through 9.1
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Author: Dmitriy Olshevskiy
Discussion: 553D00A6.4090205@bk.ru
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Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
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