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* Remove HELIOS Software GmbH name and copyright from AIX dynloader files,Bruce Momjian2009-04-25
| | | | | | per approval from Helmut Tschemernjak, President. Only back branches; files removed from CVS HEAD.
* Remove beer-ware license from crypt-md5.c, perMagnus Hagander2009-04-15
| | | | | | | approval from Poul-Henning Kamp. This makes the file the same standard 2-clause BSD as the rest of PostgreSQL.
* Fix 'all at one page bug' in picksplit method of R-tree emulation. Add defenseTeodor Sigaev2009-04-07
| | | | from buggy user-defined picksplit to GiST.
* Defend against non-ASCII letters in fuzzystrmatch code. The functionsTom Lane2009-04-07
| | | | | still don't behave very sanely for multibyte encodings, but at least they won't be indexing off the ends of static arrays.
* Rewrite interval_hash() so that the hashcodes are equal for values thatTom Lane2009-04-04
| | | | | | | | | | | | | | | interval_eq() considers equal. I'm not sure how that fundamental requirement escaped us through multiple revisions of this hash function, but there it is; it's been wrong since interval_hash was first written for PG 7.1. Per bug #4748 from Roman Kononov. Backpatch to all supported releases. This patch changes the contents of hash indexes for interval columns. That's no particular problem for PG 8.4, since we've broken on-disk compatibility of hash indexes already; but it will require a migration warning note in the next minor releases of all existing branches: "if you have any hash indexes on columns of type interval, REINDEX them after updating".
* Fix contrib/pgstattuple and contrib/pageinspect to prevent attempts to readTom Lane2009-03-31
| | | | | | | temporary tables of other sessions; that is unsafe because of the way our buffer management works. Per report from Stuart Bishop. This is redundant with the bufmgr.c checks in HEAD, but not at all redundant in the back branches.
* tag 7.4.25REL7_4_25Marc G. Fournier2009-03-13
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* Update back-branch release notes.Tom Lane2009-03-12
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* Fix core dump due to null-pointer dereference in to_char() when datetimeTom Lane2009-03-12
| | | | | | | | | | format codes are misapplied to a numeric argument. (The code still produces a pretty bogus error message in such cases, but I'll settle for stopping the crash for now.) Per bug #4700 from Sergey Burladyan. Problem exists in all supported branches, so patch all the way back. In HEAD, also clean up some ugly coding in the nearby cache management code.
* Add MUST (Mauritius Island Summer Time) to the list of known abbreviations.Heikki Linnakangas2009-03-05
| | | | | | | Mauritius began using DST in the summer 2008-2009; the Olson library has been updated already. Xavier Bugaud
* Put back our old workaround for machines that declare cbrt() in math.h butTom Lane2009-03-04
| | | | | | fail to provide the function itself. Not sure how we escaped testing anything later than 7.3 on such cases, but they still exist, as per André Volpato's report about AIX 5.3.
* Ooops ... fix some confusion between gettext() and _() in my previous patch.Tom Lane2009-03-03
| | | | | This has moved around in past releases, so just copying-and-pasting from HEAD didn't work as intended.
* When we are in error recursion trouble, arrange to suppress translation andTom Lane2009-03-02
| | | | | | | | | | | encoding conversion of any elog/ereport message being sent to the frontend. This generalizes a patch that I put in last October, which suppressed translation of only specific messages known to be associated with recursive can't-translate-the-message behavior. As shown in bug #4680, we need a more general answer in order to have some hope of coping with broken encoding conversion setups. This approach seems a good deal less klugy anyway. Patch in all supported branches.
* Fix buffer allocations in encoding conversion routines so that they won'tTom Lane2009-02-28
| | | | | | | | fail on zero-length inputs. This isn't an issue in normal use because the conversion infrastructure skips calling the converters for empty strings. However a problem was created by yesterday's patch to check whether the right conversion function is supplied in CREATE CONVERSION. The most future-proof fix seems to be to make the converters safe for this corner case.
* In CREATE CONVERSION, test that the given function is a valid conversionHeikki Linnakangas2009-02-27
| | | | | | | | function for the specified source and destination encodings. We do that by calling the function with an empty string. If it can't perform the requested conversion, it will throw an error. Backport to 7.4 - 8.3. Per bug report #4680 by Denis Afonin.
* tag 7.4.24REL7_4_24Marc G. Fournier2009-01-30
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* Update back-branch release notes.Tom Lane2009-01-30
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* Translation updatesPeter Eisentraut2009-01-29
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* Replace argument-checking Asserts with regular test-and-elog checks in allTom Lane2009-01-29
| | | | | | | | | | | | encoding conversion functions. These are not can't-happen cases because it's possible to create a conversion with the wrong conversion function for the specified encoding pair. That would lead to an Assert crash in an Assert-enabled build, or incorrect conversion otherwise, neither of which is desirable. This would be a DOS issue if production databases were customarily built with asserts enabled, but fortunately that's not so. Per an observation by Heikki. Back-patch to all supported branches.
* Go over all OpenSSL return values and make sure we compare themMagnus Hagander2009-01-28
| | | | | | | | to the documented API value. The previous code got it right as it's implemented, but accepted too much/too little compared to the API documentation. Per comment from Zdenek Kotala.
* Fix uninitialized variables in get_coversTeodor Sigaev2009-01-16
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* Fix URL generation in headline. Only tag lexeme will be replaced by space.Teodor Sigaev2009-01-15
| | | | Per http://archives.postgresql.org/pgsql-bugs/2008-12/msg00013.php
* Fix generation of too long headline with ShortWords.Teodor Sigaev2009-01-15
| | | | Per http://archives.postgresql.org/pgsql-hackers/2008-09/msg01088.php
* Backpatch to 7.4 the part of 1.84 (from the 8.0 timeline) that wasn't alreadyAlvaro Herrera2009-01-13
| | | | | | | | | | | | | | | | | | | | | patched, viz. str_numth(). The rest of that patch was already applied as part of 1.69.2.1. Per report and patch from Andreas 'ads' Scherbaum. The involved revisions were: revision 1.84 date: 2005-01-12 22:40:13 -0300; author: tgl; state: Exp; lines: +9 -7; branches: 1.84.4; Remove unportable assumption that it's okay to use the target buffer of an sprintf() as a source string. Demonstrably does not work with recent gcc and/or glibc on some platforms. and revision 1.69.2.1 date: 2005-03-25 20:42:21 -0400; author: tgl; state: Exp; lines: +24 -8; Prevent to_char(interval) from dumping core on month-related formats when a zero-month interval is given. Per discussion with Karel.
* Remove references to pgsql-ports and pgsql-patches mailing lists fromTom Lane2009-01-06
| | | | | various documentation, since those lists are now dead/deprecated. Point to pgsql-bugs and/or pgsql-hackers as appropriate.
* Fix logic in lazy vacuum to decide if it's worth trying to truncate the heap.Heikki Linnakangas2009-01-06
| | | | | | | | If the table was smaller than REL_TRUNCATE_FRACTION (= 16) pages, we always tried to acquire AccessExclusiveLock on it even if there was no empty pages at the end. Report by Simon Riggs. Back-patch all the way to 7.4.
* tag 7.4.23REL7_4_23Marc G. Fournier2008-10-31
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* Update back-branch release notes.Tom Lane2008-10-30
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* Translation updatesPeter Eisentraut2008-10-30
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* Install a more robust solution for the problem of infinite error-processingTom Lane2008-10-27
| | | | | | | | | | | | | recursion when we are unable to convert a localized error message to the client's encoding. We've been over this ground before, but as reported by Ibrar Ahmed, it still didn't work in the case of conversion failures for the conversion-failure message itself :-(. Fix by installing a "circuit breaker" that disables attempts to localize this message once we get into recursion trouble. Patch all supported branches, because it is in fact broken in all of them; though I had to add some missing translations to the older branches in order to expose the failure in the particular test case I was using.
* Fix small bug in headline generation.Teodor Sigaev2008-10-17
| | | | | Patch from Sushant Sinha <sushant354@gmail.com> http://archives.postgresql.org/pgsql-hackers/2008-07/msg00785.php
* Fix SPI_getvalue and SPI_getbinval to range-check the given attribute numberTom Lane2008-10-16
| | | | | | | | | | | | | | according to the TupleDesc's natts, not the number of physical columns in the tuple. The previous coding would do the wrong thing in cases where natts is different from the tuple's column count: either incorrectly report error when it should just treat the column as null, or actually crash due to indexing off the end of the TupleDesc's attribute array. (The second case is probably not possible in modern PG versions, due to more careful handling of inheritance cases than we once had. But it's still a clear lack of robustness here.) The incorrect error indication is ignored by all callers within the core PG distribution, so this bug has no symptoms visible within the core code, but it might well be an issue for add-on packages. So patch all the way back.
* Optional argument should be optional.Michael Meskes2008-10-10
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* Fix improper display of fractional seconds in interval valuesTom Lane2008-10-02
| | | | | | when using --enable-integer-datetimes and a non-ISO datestyle. Ron Mayer
* tag for 7.4.22REL7_4_22Marc G. Fournier2008-09-19
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* Update back-branch release notes.Tom Lane2008-09-19
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* Fix pg_dump docs to acknowledge that you can use -Z with plain text output. ↵Tom Lane2008-08-26
| | | | Pointed out by Daniel Migowski.
* Fix pg_dump/pg_restore's ExecuteSqlCommand() to behave suitably if PQexecTom Lane2008-08-16
| | | | | | | returns NULL instead of a PGresult. The former coding would fail, which is OK, but it neglected to give you the PQerrorMessage that might tell you why. In the oldest branches, there was another problem: it'd sometimes report PQerrorMessage from the wrong connection.
* Do not allow Unique nodes to be scanned backwards. The code claimed that itTom Lane2008-08-05
| | | | | | | would work, but in fact it didn't return the same rows when moving backwards as when moving forwards. This would have no visible effect in a DISTINCT query (at least assuming the column datatypes use a strong definition of equality), but it gave entirely wrong answers for DISTINCT ON queries.
* Fix performance bug in write_syslog(): the code to preferentially break theTom Lane2008-07-08
| | | | | | | | | | log message at newlines cost O(N^2) for very long messages with few or no newlines. For messages in the megabyte range this became the dominant cost. Per gripe from Achilleas Mantzios. Patch all the way back, since this is a safe change with no portability risks. I am also thinking of increasing PG_SYSLOG_LIMIT, but that should be done separately.
* Fix estimate_num_groups() to assume that GROUP BY expressions yielding booleanTom Lane2008-07-07
| | | | | | | | | results always contribute two groups, regardless of the expression contents. This is very substantially more accurate than the regular heuristic for certain boolean tests like "col IS NULL". Per gripe from Sam Mason. Back-patch to all supported releases, since the behavior of estimate_num_groups() hasn't changed all that much since 7.4.
* Create a script to handle stamping release version numbers into files,Tom Lane2008-06-10
| | | | replacing the tedious and error-prone manual process we've been using.
* Fix datetime input functions to correctly detect integer overflow whenTom Lane2008-06-09
| | | | | running on a 64-bit platform ... strtol() will happily return 64-bit output in that case. Per bug #4231 from Geoff Tolley.
* tag 7.4.21REL7_4_21Tom Lane2008-06-09
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* Stamp 7.4.21 (except for configure.in/configure)Tom Lane2008-06-08
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* Update release notes for 8.3.3 et al.Tom Lane2008-06-07
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* Fix pg_get_ruledef() so that negative numeric constants are parenthesized.Tom Lane2008-06-06
| | | | | | | | | | This is needed because :: casting binds more tightly than minus, so for example -1::integer is not the same as (-1)::integer, and there are cases where the difference is important. In particular this caused a failure in SELECT DISTINCT ... ORDER BY ... where expressions that should have matched were seen as different by the parser; but I suspect that there could be other cases where failure to parenthesize leads to subtler semantic differences in reloaded rules. Per report from Alexandr Popov.
* Remove link that pre-8.2 doc tools don't support.REL7_4_20Tom Lane2008-06-06
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* tag 7.4.20Tom Lane2008-06-06
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* Stamp 7.4.20 (except for configure.in/configure)Tom Lane2008-06-05
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