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improve performance when restoring the schema from the old cluster.
Backpatch to 9.2.
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... and have sepgsql use it to determine whether to check permissions
during certain operations. Indexes that are being created as a result
of REINDEX, for instance, do not need to have their permissions checked;
they were already checked when the index was created.
Author: KaiGai Kohei, slightly revised by me
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Per Thom Brown.
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rather than just storing a pointer.
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Per compiler warning.
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Numerous flex and bison make rules have appeared in the source tree
over time, and they are all virtually identical, so we can replace
them by pattern rules with some variables for customization.
Users of pgxs will also be able to benefit from this.
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The HINTs generated for these error cases vary across builds. We
could try to work around that, but the test cases aren't really useful
enough to justify taking any trouble.
Per buildfarm.
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dblink now has its own validator function dblink_fdw_validator(), which is
better than the core function postgresql_fdw_validator() because it gets
the list of legal options from libpq instead of having a hard-wired list.
Make the dblink extension module provide a standard foreign data wrapper
dblink_fdw that encapsulates use of this validator, and recommend use of
that wrapper instead of making up wrappers on the fly.
Unfortunately, because ad-hoc wrappers *were* recommended practice
previously, it's not clear when we can get rid of postgresql_fdw_validator
without causing upgrade problems. But this is a step in the right
direction.
Shigeru Hanada, reviewed by KaiGai Kohei
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Backpatch to 9.2.
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e.g. fsync 2103.613 ops/sec ( 475 microsecs/op)
Peter Geoghegan
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This allows logging only some fraction of transactions, greatly reducing
the amount of log generated.
Tomas Vondra, reviewed by Robert Haas and Jeff Janes.
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Backpatch to 9.2.
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On some platforms these functions return NULL, rather than the more common
practice of returning a pointer to a zero-sized block of memory. Hack our
various wrapper functions to hide the difference by substituting a size
request of 1. This is probably not so important for the callers, who
should never touch the block anyway if they asked for size 0 --- but it's
important for the wrapper functions themselves, which mistakenly treated
the NULL result as an out-of-memory failure. This broke at least pg_dump
for the case of no user-defined aggregates, as per report from
Matthew Carrington.
Back-patch to 9.2 to fix the pg_dump issue. Given the lack of previous
complaints, it seems likely that there is no live bug in previous releases,
even though some of these functions were in place before that.
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We had a number of variants on the theme of "malloc or die", with the
majority named like "pg_malloc", but by no means all. Standardize on the
names pg_malloc, pg_malloc0, pg_realloc, pg_strdup. Get rid of pg_calloc
entirely in favor of using pg_malloc0.
This is an essentially cosmetic change, so no back-patch. (I did find
a couple of places where psql and pg_dump were using plain malloc or
strdup instead of the pg_ versions, but they don't look significant
enough to bother back-patching.)
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objects does not match between the old and new clusters.
Backpatch to 9.2.
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entries are not dumped. This fixes an error caused by
droping/recreating the information_schema, but other failures were also
possible.
Backpatch to 9.2.
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comparison; also report the old/new values if they don't match.
Backpatch to 9.2.
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On reflection (especially after noticing how many buildfarm critters have
__builtin_types_compatible_p but not _Static_assert), it seems like we
ought to try a bit harder to make these macros do something everywhere.
The initial cut at it would have been no help to code that is compiled only
on platforms without _Static_assert, for instance; and in any case not all
our contributors do their initial coding on the latest gcc version.
Some googling about static assertions turns up quite a bit of prior art
for making it work in compilers that lack _Static_assert. The method
that seems closest to our needs involves defining a struct with a bit-field
that has negative width if the assertion condition fails. There seems no
reliable way to get the error message string to be output, but throwing a
compile error with a confusing message is better than missing the problem
altogether.
In the same spirit, if we don't have __builtin_types_compatible_p we can at
least insist that the variable have the same width as the type. This won't
catch errors such as "wrong pointer type", but it's far better than
nothing.
In addition to changing the macro definitions, adjust a
compile-time-constant Assert in contrib/hstore to use StaticAssertStmt,
so we can get some buildfarm coverage on whether that macro behaves sanely
or not. There's surely more places that could be converted, but this is
the first one I came across.
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This mirrors the behavior of pg_regress and makes the test run much
faster.
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It is no longer used, but was still being checked for.
bug #7548 from Reinhard Max
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If we call pg_ctl stop, the server might continue and thus
hold a log file for a short time after it has deleted its pid file,
(which is when pg_ctl will exit), and so a subsequent attempt to
open the log file might fail.
We therefore try to open it a few times, sleeping one second between
tries, to give the server time to exit.
This corrects an error that was observed on the buildfarm.
Backpatched to 9.2,
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Show target number of tuples and percentage in addition to current
number.
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Call pg_dumpall using -f switch instead of redirection, to avoid
writing the output in text mode and generating spurious carriage
returns. Remove to carriage return ignoring hack introduced by
commit e442b0f0c6fd26738bafdeb5222511b586dfe4b9.
Backpatch to 9.2.
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pg_upgrade opened the output from pg_dumpall in text mode and
wrote the split files in text mode. This caused unwanted eating
of intended carriage returns on input and production of spurious
carriage returns on output. To avoid this, open all these files
in binary mode. On non-Windows platforms, this change has no
effect.
Backpatch to 9.0. On 9.0 and 9.1, we also switch from redirecting
pg_dumpall's output to using pg_dumpall's -f switch, for the same
reason.
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This is just neatnik-ism, but since we do it for comparable code in elog.c,
we may as well do it here.
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This is needed to match recent changes elsewhere. Along the way, some
renaming for clarity.
KaiGai Kohei
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on Windows. Slightly cleanup log output on Windows given this
restriction.
Backpatch to 9.2.
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Backpatch to 9.2.
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socket location. Also, prevent putting the socket in the current
directory for pre-9.1 servers in live check and non-live check mode,
because pre-9.1 pg_ctl -w can't handle it.
Backpatch to 9.2.
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pg_upgrade produces a platform-specific script to remove the old
directory, but on Windows it has not been making sure that the
paths it writes as arguments for rmdir and del use the backslash
path separator, which will cause these scripts to fail.
The fix is backpatched to Release 9.0.
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Backpatch to 9.2 - code before that is quite different and should
not have these defects.
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When starting either an old or new postmaster, force it to place its Unix
socket in the current directory. This makes it even harder for accidental
connections to occur during pg_upgrade, and also works around some
scenarios where the default socket location isn't usable. (For example,
if the default location is something other than "/tmp", it might not exist
during "make check".)
When checking an already-running old postmaster, find out its actual socket
directory location from postmaster.pid, if possible. This dodges problems
with an old postmaster having a configured location different from the
default built into pg_upgrade's libpq. We can't find that out if the old
postmaster is pre-9.1, so also document how to cope with such scenarios
manually.
In support of this, centralize handling of the connection-related command
line options passed to pg_upgrade's subsidiary programs, such as pg_dump.
This should make future changes easier.
Bruce Momjian and Tom Lane
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This reduces unnecessary exposure of other headers through htup.h, which
is very widely included by many files.
I have chosen to move the function prototypes to the new file as well,
because that means htup.h no longer needs to include tupdesc.h. In
itself this doesn't have much effect in indirect inclusion of tupdesc.h
throughout the tree, because it's also required by execnodes.h; but it's
something to explore in the future, and it seemed best to do the htup.h
change now while I'm busy with it.
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Evidently I failed to test a compile after my earlier header shuffling.
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Per Peter Geoghegan.
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Since we're not installing this file anymore, it has no reason to exist,
other than as historical reference; but we have an SCM for that.
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percentage column before count column. Docs updated.
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The previous signature made it very easy to pass something other than
the printf-format specifier in the corresponding position, without any
warning from the compiler.
While at it, move some of the escaping, redirecting and quoting
responsibilities from the callers into exec_prog() itself. This makes
the callsites cleaner.
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It was confusing symlinks with hard links.
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Just to check that they actually work.
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Extraction of trigrams did not process LIKE escape sequences properly,
leading to possible misidentification of trigrams near escapes, resulting
in incorrect index search results.
Fujii Masao
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libxslt offers the ability to read and write both files and URLs through
stylesheet commands, thus allowing unprivileged database users to both read
and write data with the privileges of the database server. Disable that
through proper use of libxslt's security options.
Also, remove xslt_process()'s ability to fetch documents and stylesheets
from external files/URLs. While this was a documented "feature", it was
long regarded as a terrible idea. The fix for CVE-2012-3489 broke that
capability, and rather than expend effort on trying to fix it, we're just
going to summarily remove it.
While the ability to write as well as read makes this security hole
considerably worse than CVE-2012-3489, the problem is mitigated by the fact
that xslt_process() is not available unless contrib/xml2 is installed,
and the longstanding warnings about security risks from that should have
discouraged prudent DBAs from installing it in security-exposed databases.
Reported and fixed by Peter Eisentraut.
Security: CVE-2012-3488
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directory.
Backpatch to 9.2.
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4741e9afb93f0d769655b2d18c2b73b86f281010. This was done by adding an
optional second log file parameter to exec_prog(), and closing and
reopening the log file between system() calls.
Backpatch to 9.2.
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newline-terminated messages, per suggestion from Tom.
Backpatch to 9.2.
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