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Per discussion with Josh Kupershmidt.
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Backpatch to 9.0.X.
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It isn't, now that we ship the docs as loose files rather than a sub-tarball.
Also adjust the wording in a couple of places to make the lists of required
software read more consistently.
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- remove excessive table cells
- moving function parameters into function tags rather than having
them being considered separate
- add return type column on XML2 contrib module functions list and
removing return types from function
- add table header to XML2 contrib parameter table
Thom Brown
Backpatch to 9.0.X.
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collation/encoding to match English when reading controldata. This now
matches the English variable setting used by pg_regress.c.
Backpatch to 9.0.X.
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A long time ago, this didn't work nicely, but it seems to work on all recent
versions of OS X. The blank-pad method is less desirable since it results
in lots of extra space in ps' output. Per Alexey Klyukin.
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Per KOIZUMI Satoru.
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type. Per KOIZUMI Satoru.
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SI invalidation events, rather than indirectly through the relcache.
In the previous coding, we had to flush a composite-type typcache entry
whenever we discarded the corresponding relcache entry. This caused problems
at least when testing with RELCACHE_FORCE_RELEASE, as shown in recent report
from Jeff Davis, and might result in real-world problems given the kind of
unexpected relcache flush that that test mechanism is intended to model.
The new coding decouples relcache and typcache management, which is a good
thing anyway from a structural perspective. The cost is that we have to
search the typcache linearly to find entries that need to be flushed. There
are a couple of ways we could avoid that, but at the moment it's not clear
it's worth any extra trouble, because the typcache contains very few entries
in typical operation.
Back-patch to 8.2, the same as some other recent fixes in this general area.
The patch could be carried back to 8.0 with some additional work, but given
that it's only hypothetical whether we're fixing any problem observable in
the field, it doesn't seem worth the work now.
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Per discussion.
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and contains operators.
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Issue reported by Harald Kolb, patch by Fujii Masao, review by me.
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Very minor issue, though this is required for a later patch.
Reported by Heikki Linnakangas.
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This patch changes _bt_split() and _bt_pagedel() to throw a plain ERROR,
rather than PANIC, for several cases that are reported from the field
from time to time:
* right sibling's left-link doesn't match;
* PageAddItem failure during _bt_split();
* parent page's next child isn't right sibling during _bt_pagedel().
In addition the error messages for these cases have been made a bit
more verbose, with additional values included.
The original motivation for PANIC here was to capture core dumps for
subsequent analysis. But with so many users whose platforms don't capture
core dumps by default, or who are unprepared to analyze them anyway, it's hard
to justify a forced database restart when we can fairly easily detect the
problems before we've reached the critical sections where PANIC would be
necessary. It is not currently known whether the reports of these messages
indicate well-hidden bugs in Postgres, or are a result of storage-level
malfeasance; the latter possibility suggests that we ought to try to be more
robust even if there is a bug here that's ultimately found.
Backpatch to 8.2. The code before that is sufficiently different that
it doesn't seem worth the trouble to back-port further.
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Spotted by Dmitriy Igrishin. Back-patch to 8.2, which is when the PREPARE
statement was improved to allow parameter types to be omitted.
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which is perhaps not a terribly good spot for it but there doesn't seem to be
a better place. Also add a source-code comment pointing out a couple reasons
for having a separate lock file. Per suggestion from Greg Smith.
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of constraints.
Kevin Grittner
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Egypt and Palestine. Added new names for two Micronesian timezones:
Pacific/Chuuk is now preferred over Pacific/Truk (and the preferred
abbreviation is CHUT not TRUT) and Pacific/Pohnpei is preferred over
Pacific/Ponape. Historical corrections for Finland.
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original misleadingly suggests that only access is meant, causing confusion.
Per recent trouble report by Robert McGehee on pgsql-admin.
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returning "record" actually do have the same rowtype. This is needed because
the parser can't realistically enforce that they will all have the same typmod,
as seen in a recent example from David Wheeler.
Back-patch to 8.0, which is as far back as we have the notion of RECORD
subtypes being distinguished by typmod. Wheeler's example depends on
8.4-and-up features, but I suspect there may be ways to provoke similar
failures before 8.4.
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build tree. If we actually build the docs in the VPATH tree, those dirs
will get created then; but if they're present and empty, they capture the
vpathsearch searches in "make install", preventing installation of prebuilt
docs that might exist in the source tree. Per bug #5595 from Dmtiriy Igrishin.
Fix based on idea from Peter Eisentraut.
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questionable reliability; information moved to a wiki:
http://wiki.postgresql.org/wiki/Incrementally_Updated_Backups
Backpatch to 9.0.
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While at it, copy-edit the description of prefix-match marker support in
synonym dictionaries, and clarify the description of the default unaccent
dictionary a bit more.
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It turns out that some platforms return ENOMEM for a request that violates
SHMALL, whereas we were assuming that ENOSPC would always be used for that.
Apparently the latter is a Linuxism while ENOMEM is the BSD tradition.
Extend the ENOMEM hint to suggest that raising SHMALL might be needed.
Per gripe from A.M.
Backpatch to 9.0, but not further, because this doesn't seem important
enough to warrant creating extra translation work in the stable branches.
(If it were, we'd have figured this out years ago.)
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This is reproducibly possible in Python 2.7 if the user turned
PendingDeprecationWarning into an error, but it's theoretically also possible
in earlier versions in case of exceptional conditions.
backpatched to 8.0
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Note: as usual, bug fixes that were also applied in back branches are not
considered material to include in a new major release's notes.
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Backpatch to 9.0.X.
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Josh Berkus
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default is low because of pg_clog file removal.
Backpatch to 9.0.X.
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There is no reason that proc.c should have to get involved in this dirty hack
for letting the postmaster know which children are walsenders. Revert that
file to the way it was, and confine the kluge to pmsignal.c and postmaster.c.
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Erik Rijkers
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This is mostly about grammar, style, and presentation, though I did find
a few small factual errors.
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We already mentioned xid wraparound.
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array_in discards unquoted leading and trailing whitespace in array values,
while array_out is careful to quote array elements that contain whitespace.
This is problematic when the definition of "whitespace" varies between
locales: array_in could drop characters that were meant to be part of the
value. To avoid that, lock down "whitespace" to mean only the traditional
six ASCII space characters.
This change also works around a bug in OS X and some older BSD systems, in
which isspace() could return true for character fragments in UTF8 locales.
(There may be other places in PG where that bug could cause problems, but
this is the only one complained of so far; see recent report from Steven
Schlansker.)
Back-patch to 9.0, but not further. Given the lack of previous reports
of trouble, changing this behavior in stable branches seems to offer
more risk of breaking applications than reward of avoiding problems.
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The original coding tended to break down in the face of modified restore
orders, as shown in bug #5626 from Albert Ullrich, because it would flip over
into parallel-restore operation too soon. That causes problems because we
don't have sufficient dependency information in dump archives to allow safe
parallel processing of SECTION_PRE_DATA items. Even if we did, it's probably
undesirable to allow that to override the commanded restore order.
To fix the problem of omitted items causing unexpected changes in restore
order, tweak SortTocFromFile so that omitted items end up at the head of
the list not the tail. This ensures that they'll be examined and their
dependencies will be marked satisfied before we get to any interesting
items.
In HEAD and 9.0, we can easily change restore_toc_entries_parallel so that
all SECTION_PRE_DATA items are guaranteed to be processed in the initial
serial-restore loop, and hence in commanded order. Only DATA and POST_DATA
items are candidates for parallel processing. For them there might be
variations from the commanded order because of parallelism, but we should
do it in a safe order thanks to dependencies.
In 8.4 it's much harder to make such a guarantee. I settled for not
letting the initial loop break out into parallel processing mode if
it sees a DATA/POST_DATA item that's not to be restored; this at least
prevents a non-restorable item from causing premature exit from the loop.
This means that 8.4 will be more likely to fail given a badly-ordered -L
list than 9.x, but we don't really promise any such thing will work anyway.
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Per gripe from Fujii Masao, though this is not exactly his proposed patch.
Categorize as DEVELOPER_OPTIONS and set context PGC_SIGHUP, as per Fujii,
but set the default to LOG because higher values aren't really sensible
(see the code for trace_recovery()). Fix the documentation to agree with
the code and to try to explain what the variable actually does. Get rid
of no-op calls trace_recovery(LOG), which accomplish nothing except to
demonstrate that this option confuses even its author.
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Aside from being more forgiving, this prevents a rather surprising misbehavior
when the "wrong" order was used: the old code didn't throw a syntax error,
but absorbed the INTO clause into the last USING expression, which then did
strange things downstream.
Intentionally not changing the documentation; we'll continue to advertise
only the "standard" clause order.
Backpatch to 8.4, where the USING clause was added to EXECUTE.
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