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* Fix LOCK_DEBUG compilation in the 8.2 branch; HEAD was fixed earlier.Neil Conway2007-04-23
| | | | Heikki Linnakangas.
* Fix markup.REL8_2_4Tom Lane2007-04-20
| | | | Security: CVE-2007-2138
* Update configure.in version numberPostgreSQL Daemon2007-04-20
| | | | Security: tag for release
* Support explicit placement of the temporary-table schema within search_path.Tom Lane2007-04-20
| | | | | | | | | | | | | This is needed to allow a security-definer function to set a truly secure value of search_path. Without it, a malicious user can use temporary objects to execute code with the privileges of the security-definer function. Even pushing the temp schema to the back of the search path is not quite good enough, because a function or operator at the back of the path might still capture control from one nearer the front due to having a more exact datatype match. Hence, disable searching the temp schema altogether for functions and operators. Security: CVE-2007-2138
* Sync timezone data with 2007e zic release.Tom Lane2007-04-19
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* Fix missed PACKAGE_STRING.Tom Lane2007-04-19
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* Repair PANIC condition in hash indexes when a previous index extension attemptTom Lane2007-04-19
| | | | | | | | | | | failed (due to lock conflicts or out-of-space). We might have already extended the index's filesystem EOF before failing, causing the EOF to be beyond what the metapage says is the last used page. Hence the invariant maintained by the code needs to be "EOF is at or beyond last used page", not "EOF is exactly the last used page". Problem was created by my patch of 2006-11-19 that attempted to repair bug #2737. Since that was back-patched to 7.4, this needs to be as well. Per report and test case from Vlastimil Krejcir.
* Fix plpgsql to avoid reference to already-freed memory when returning aTom Lane2007-04-19
| | | | | | | pass-by-reference data type and the RETURN statement is within an EXCEPTION block. Bug introduced by my fix of 2007-01-28 to use per-subtransaction ExprContexts/EStates; since that wasn't back-patched into older branches, only 8.2 and HEAD are affected. Per report from Gary Winslow.
* Release wording updates for releases 8.2.4, 8.1.9, 8.0.13, 7.4.17, 7.3.19.Bruce Momjian2007-04-19
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* Stamp releases 8.2.4, 8.1.9, 8.0.13, 7.4.17, 7.3.19.Bruce Momjian2007-04-19
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* Release note updates for 8.2.4, 8.1.9, 8.0.13, 7.4.17, 7.3.19.Bruce Momjian2007-04-19
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* Translation updatesPeter Eisentraut2007-04-18
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* Update docs/error message for CSV quote/escape --- must be ASCII.Bruce Momjian2007-04-18
| | | | Backpatch doc change to 8.2.X.
* Document that the COPY delimiter must be an ASCII byte, rather than aBruce Momjian2007-04-18
| | | | | | | multi-byte value. It can also be a single-byte encoded character if the client and server versions match. Backpatch to 8.2.X.
* Rewrite choose_bitmap_and() to make it more robust in the presence ofTom Lane2007-04-17
| | | | | | | | | | | | | | | | | | competing alternatives for indexes to use in a bitmap scan. The former coding took estimated selectivity as an overriding factor, causing it to sometimes choose indexes that were much slower to scan than ones with a slightly worse selectivity. It was also too narrow-minded about which combinations of indexes to consider ANDing. The rewrite makes it pay more attention to index scan cost than selectivity; this seems sane since it's impossible to have very bad selectivity with low cost, whereas the reverse isn't true. Also, we now consider each index alone, as well as adding each index to an AND-group led by each prior index, for a total of about O(N^2) rather than O(N) combinations considered. This makes the results much less dependent on the exact order in which the indexes are considered. It's still a lot cheaper than an O(2^N) exhaustive search. A prefilter step eliminates all but the cheapest of those indexes using the same set of WHERE conditions, to keep the effective value of N down in scenarios where the DBA has created lots of partially-redundant indexes.
* Don't write timing output in quiet mode.Magnus Hagander2007-04-16
| | | | Merlin Moncure
* Fix pg_dump to not crash if -t or a similar switch is used to select a serialTom Lane2007-04-16
| | | | | | sequence for dumping without also selecting its owning table. Make it not try to emit ALTER SEQUENCE OWNED BY in this situation. Per report from Michael Nolan.
* Rearrange mdsync() looping logic to avoid the problem that a sufficientlyTom Lane2007-04-12
| | | | | | | | | | | fast flow of new fsync requests can prevent mdsync() from ever completing. This was an unforeseen consequence of a patch added in Mar 2006 to prevent the fsync request queue from overflowing. Problem identified by Heikki Linnakangas and independently by ITAGAKI Takahiro; fix based on ideas from Takahiro-san, Heikki, and Tom. Back-patch as far as 8.1 because a previous back-patch introduced the problem into 8.1 ...
* Cancel pending fsync requests during WAL replay of DROP DATABASE, per bugTom Lane2007-04-12
| | | | | report from David Darville. Back-patch as far as 8.1, which may or may not have the problem but it seems a safe change anyway.
* Backpatch doc change SYMETRIC -> SYMMETRIC, for 8.2.X.Bruce Momjian2007-04-07
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* Fix check_sql_fn_retval to allow the case where a SQL function declared toTom Lane2007-04-02
| | | | | | | | return void ends with a SELECT, if that SELECT has a single result that is also of type void. Without this, it's hard to write a void function that calls another void function. Per gripe from Peter. Back-patch as far as 8.0.
* Fix caching of unsuccessful initialization of parser or configuration.Teodor Sigaev2007-04-02
| | | | Per report from Listmail <lists@peufeu.com>
* Update SSL description for when SSL root.crt/server.crt is required;Bruce Momjian2007-03-30
| | | | | | add link to libpq SSL does from server docs. Backpatch to 8.2.X.
* Fix oversight in coding of _bt_start_vacuum: we can't assume that the LWLockTom Lane2007-03-30
| | | | | | | will be released by transaction abort before _bt_end_vacuum gets called. If either of these "can't happen" errors actually happened, we'd freeze up trying to acquire an already-held lock. Latest word is that this does not explain Martin Pitt's trouble report, but it still looks like a bug.
* Fix typo, ensable -> enable, per Steve Gieseking.Tom Lane2007-03-27
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* Fix seriously broken markup for libpq-envars cross-references.Tom Lane2007-03-26
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* Fix pg_wchar_table's maxmblen field of EUC_CN, EUC_TW, MULE_INTERNALTatsuo Ishii2007-03-26
| | | | and GB18030. patches from ITAGAKI Takahiro.
* Document that LDAP URLs should be double-quoted in pg_hba.conf becauseBruce Momjian2007-03-24
| | | | | | commas are often present in the URL. Backpatch to 8.2.X.
* Fix broken markup.Tom Lane2007-03-24
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* Fix parser bug on Windows with UTF8 encoding and C locale, the reason wasTeodor Sigaev2007-03-22
| | | | sizeof(wchar_t) = 2 instead of 4.
* Fix 8.2 breakage of domains over array types, and add a regression test caseTom Lane2007-03-19
| | | | to cover it. Per report from Anton Pikhteryev.
* SPI_cursor_open failed to enforce that only read-only queries could beTom Lane2007-03-17
| | | | | | | executed in read_only mode. This could lead to various relatively-subtle failures, such as an allegedly stable function returning non-stable results. Bug goes all the way back to the introduction of read-only mode in 8.0. Per report from Gaetano Mendola.
* Fix uninitialized value in pgstatindex leading to invalid values beingAlvaro Herrera2007-03-16
| | | | | | reported in some cases. Report and patch from Tatsuhito Kasahara. Also fix a couple of other bugs I noticed in skimming the surrounding code.
* Fix a longstanding bug in VACUUM FULL's handling of update chains. The codeTom Lane2007-03-14
| | | | | | | | | | | | | | | | | | | | | | | did not expect that a DEAD tuple could follow a RECENTLY_DEAD tuple in an update chain, but because the OldestXmin rule for determining deadness is a simplification of reality, it is possible for this situation to occur (implying that the RECENTLY_DEAD tuple is in fact dead to all observers, but this patch does not attempt to exploit that). The code would follow a chain forward all the way, but then stop before a DEAD tuple when backing up, meaning that not all of the chain got moved. This could lead to copying the chain multiple times (resulting in duplicate copies of the live tuple at its end), or leaving dangling index entries behind (which, aside from generating warnings from later vacuums, creates a risk of wrong query results or bogus duplicate-key errors once the heap slot the index entry points to is repopulated). The fix is to recheck HeapTupleSatisfiesVacuum while following a chain forward, and to stop if a DEAD tuple is reached. Each contiguous group of RECENTLY_DEAD tuples will therefore be copied as a separate chain. The patch also adds a couple of extra sanity checks to verify correct behavior. Per report and test case from Pavan Deolasee.
* Arrange to install a "posixrules" entry in our timezone database, so thatTom Lane2007-03-14
| | | | | | | | | | | | | POSIX-style timezone specs that don't exactly match any database entry will be treated as having correct USA DST rules. Also, document that this can be changed if you want to use some other DST rules with a POSIX zone spec. We could consider changing localtime.c's TZDEFRULESTRING, but since that facility can only deal with one DST transition rule, it seems fairly useless now; might as well just plan to override it using a "posixrules" entry. Backpatch as far as 8.0. There isn't much we can do in 7.x ... either your libc gets it right, or it doesn't.
* Fix a race condition that caused pg_database_size() and pg_tablespace_size()Alvaro Herrera2007-03-11
| | | | | | | | | to fail if an object was removed between calls to ReadDir() and stat(). Per discussion in pgsql-hackers. http://archives.postgresql.org/pgsql-hackers/2007-03/msg00671.php Bug report and patch by Michael Fuhr.
* Remove unsafe calling of WSAStartup and WSACleanup from DllMain. Move theMagnus Hagander2007-03-08
| | | | | | | inline cleanup call around so it will be called in the right order, and be called on errors. Per report from Tokuharu Yuzawa.
* Fix vac_update_relstats to ensure it always sends a relcache inval message,Tom Lane2007-03-08
| | | | | | | | even if none of the fields in the pg_class row change. This behavior is necessary to ensure other backends flush rd_targblock values that might point to truncated-away pages. We got this right pre-8.2 but it was broken by overoptimistic change to not write out the pg_class row if unchanged. Per report from Pavan Deolasee.
* Athough cube is a varlena type, nowhere was a detoasting of cube's value, soTeodor Sigaev2007-03-07
| | | | | | | | fix it. Add macroses DatumGetNDBOX, PG_GETARG_NDBOX and PG_RETURN_NDBOX. Backpatch for 8.2 too. Previous versions use version 0 calling conventions. And fmgr code detoast values for user-defined functions.
* Fix oversight in original coding of inline_function(): sinceTom Lane2007-03-06
| | | | | | | | | | | | | | check_sql_fn_retval allows binary-compatibility cases, the expression extracted from an inline-able SQL function might have a type that is only binary-compatible with the declared function result type. To avoid possibly changing the semantics of the expression, we should insert a RelabelType node in such cases. This has only been shown to have bad consequences in recent 8.1 and up releases, but I suspect there may be failure cases in the older branches too, so patch it all the way back. Per bug #3116 from Greg Mullane. Along the way, fix an omission in eval_const_expressions_mutator: it failed to copy the relabelformat field when processing a RelabelType. No known observable failures from this, but it definitely isn't intended behavior.
* Fix miscalculation of stats collector's write delay, introduced in revision ↵Tom Lane2007-03-01
| | | | 1.117.
* Fix markQueryForLocking() to work correctly in the presence of nested views.Tom Lane2007-03-01
| | | | | It has been wrong for this case since it was first written for 7.1 :-( Per report from Pavel Hanák.
* Backported bug fix for #2956.Michael Meskes2007-02-27
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* Update Chinese FAQs to have two versions, a traditional Chinese version (Taiwan)Bruce Momjian2007-02-21
| | | | | | | | and a Simplified version (China (PRC)). Backpatch to 8.2.X. Daojing.Zhou
* Update "encode" documentation to mention that 'escape' only changes nullBruce Momjian2007-02-20
| | | | bytes and backslashes, remove "ASCII" mention. Backpatch to 8.2.X.
* Update information_schema documentation to match system tables.Bruce Momjian2007-02-20
| | | | Backpatch to 8.2.X.
* More clearly document that most PostgreSQL utilities support libpqBruce Momjian2007-02-20
| | | | environment variables. Backpatch to 8.2.X.
* Spell check on array patch.Bruce Momjian2007-02-20
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* Update array slice documentation to be clearer.Bruce Momjian2007-02-20
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* Comment-out documentation for IS OF because it doesn't conform to theBruce Momjian2007-02-20
| | | | ISO SQL behavior. Backpatch removal to 8.2.X.
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