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* Create a "relation mapping" infrastructure to support changing the relfilenodesTom Lane2010-02-07
| | | | | | | | | | | | | | | | | | | | | | | of shared or nailed system catalogs. This has two key benefits: * The new CLUSTER-based VACUUM FULL can be applied safely to all catalogs. * We no longer have to use an unsafe reindex-in-place approach for reindexing shared catalogs. CLUSTER on nailed catalogs now works too, although I left it disabled on shared catalogs because the resulting pg_index.indisclustered update would only be visible in one database. Since reindexing shared system catalogs is now fully transactional and crash-safe, the former special cases in REINDEX behavior have been removed; shared catalogs are treated the same as non-shared. This commit does not do anything about the recently-discussed problem of deadlocks between VACUUM FULL/CLUSTER on a system catalog and other concurrent queries; will address that in a separate patch. As a stopgap, parallel_schedule has been tweaked to run vacuum.sql by itself, to avoid such failures during the regression tests.
* Avoid changing the sign of zero. Per buildfarm failures.Tom Lane2010-02-06
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* Document that archive_timeout will force new WAL files even if a singleBruce Momjian2010-02-05
| | | | | checkpoint has happened, and recommend adjusting checkpoint_timeout to reduce the impact of this.
* Add C comment about process_settings() setting order.Bruce Momjian2010-02-05
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* Rewrite rint() to enable removal of copyright mention; patch fromBruce Momjian2010-02-05
| | | | | | Nathan Wagner Function is simpler too.
* Modify recently added PQconnectdbParams() with new argument, expand_dbname.Joe Conway2010-02-05
| | | | | | | | | | | | | | | | If expand_dbname is non-zero and dbname contains an = sign, it is taken as a conninfo string in exactly the same way as if it had been passed to PQconnectdb. This is equivalent to the way PQsetdbLogin() works, allowing PQconnectdbParams() to be a complete alternative. Also improve the way the new function is called from psql and replace a previously missed call to PQsetdbLogin() in psql. Additionally use PQconnectdbParams() for pg_dump and friends, and the bin/scripts command line utilities such as vacuumdb, createdb, etc. Finally, update the documentation for the new parameter, as well as the nuances of precedence in cases where key words are repeated or duplicated in the conninfo string.
* Usage of isnan() in ECPG regression tests probably needs '#include ↵Michael Meskes2010-02-04
| | | | <float.h>' as well.
* Streamlined array handling code in libecpg a little bit, in the process ↵Michael Meskes2010-02-04
| | | | fixing yet another incorrect log output.
* Restructure CLUSTER/newstyle VACUUM FULL/ALTER TABLE support so that swappingTom Lane2010-02-04
| | | | | | | | | | | | | | | | | | | of old and new toast tables can be done either at the logical level (by swapping the heaps' reltoastrelid links) or at the physical level (by swapping the relfilenodes of the toast tables and their indexes). This is necessary infrastructure for upcoming changes to support CLUSTER/VAC FULL on shared system catalogs, where we cannot change reltoastrelid. The physical swap saves a few catalog updates too. We unfortunately have to keep the logical-level swap logic because in some cases we will be adding or deleting a toast table, so there's no possibility of a physical swap. However, that only happens as a consequence of schema changes in the table, which we do not need to support for system catalogs, so such cases aren't an obstacle for that. In passing, refactor the cluster support functions a little bit to eliminate unnecessarily-duplicated code; and fix the problem that while CLUSTER had been taught to rename the final toast table at need, ALTER TABLE had not.
* Fixed some typos in ECPG regression test suite that resulted in regression ↵Michael Meskes2010-02-03
| | | | | | test failures on some architectures. By Zoltán Böszörményi.
* Move the responsibility of writing a "unlogged WAL operation" record fromHeikki Linnakangas2010-02-03
| | | | | | heap_sync() to the callers, because heap_sync() is sometimes called even if the operation itself is WAL-logged. This eliminates the bogus unlogged records from CLUSTER that Simon Riggs reported, patch by Fujii Masao.
* Add a message type header to the CopyData messages sent from primaryHeikki Linnakangas2010-02-03
| | | | | to standby in streaming replication. While we only have one message type at the moment, adding a message type header makes this easier to extend.
* Fix unwarranted assumption that a cached rowtype would stick aroundTom Lane2010-02-03
| | | | for the lifespan of the CreateStmt. Per buildfarm member jaguar.
* Add #include <float.h> --- guessing the lack of this is why WindowsTom Lane2010-02-03
| | | | machines are all rejecting isinf() calls in this file.
* Fix timing-sensitive regression test result I just created :-( --- theTom Lane2010-02-03
| | | | | | | DROP USER at the end of the cluster.sql test could fail, if the temp table created in the previous session hadn't finished getting dropped. Unluckily, I didn't see this in several repetitions of the parallel regression tests, but it's popping up on quite a few buildfarm machines.
* Assorted cleanups in preparation for using a map file to support alteringTom Lane2010-02-03
| | | | | | | | | | | | | | | | | | | | | | the relfilenode of currently-not-relocatable system catalogs. 1. Get rid of inval.c's dependency on relfilenode, by not having it emit smgr invalidations as a result of relcache flushes. Instead, smgr sinval messages are sent directly from smgr.c when an actual relation delete or truncate is done. This makes considerably more structural sense and allows elimination of a large number of useless smgr inval messages that were formerly sent even in cases where nothing was changing at the physical-relation level. Note that this reintroduces the concept of nontransactional inval messages, but that's okay --- because the messages are sent by smgr.c, they will be sent in Hot Standby slaves, just from a lower logical level than before. 2. Move setNewRelfilenode out of catalog/index.c, where it never logically belonged, into relcache.c; which is a somewhat debatable choice as well but better than before. (I considered catalog/storage.c, but that seemed too low level.) Rename to RelationSetNewRelfilenode. 3. Cosmetic cleanups of some other relfilenode manipulations.
* Fix assorted poorly-thought-out message strings: use %u not %d for printingTom Lane2010-02-02
| | | | OIDs, avoid random line breaks in strings somebody might grep for.
* CLUSTER specified the wrong namespace when renaming toast tables of temporaryTom Lane2010-02-02
| | | | | | | relations (they don't live in pg_toast). This caused an Assert failure in assert-enabled builds. So far as I can see, in a non-assert build it would only have messed up the checks for conflicting names, so a failure would be quite improbable but perhaps not impossible.
* Make RADIUS authentication use pg_getaddrinfo_all() to get address ofMagnus Hagander2010-02-02
| | | | | | | the server. Gets rid of a fairly ugly hack for Solaris, and also provides hostname and IPV6 support.
* Fold FindConversion() into FindConversionByName() and remove ACL check.Robert Haas2010-02-02
| | | | | | | | | | | | | All callers of FindConversionByName() already do suitable permissions checking already apart from this function, but this is not just dead code removal: the unnecessary permissions check can actually lead to spurious failures - there's no reason why inability to execute the underlying function should prohibit renaming the conversion, for example. (The error messages in these cases were also rather poor: FindConversion would return InvalidOid, eventually leading to a complaint that the conversion "did not exist", which was not correct.) KaiGai Kohei
* Remove copyright mention of Andrew Yu, per author's permission.Bruce Momjian2010-02-02
| | | | Backpatch to 8.4.X.
* The particular table names used in the new inheritance regression test areTom Lane2010-02-02
| | | | | prone to sort differently in different locales, as seen in buildfarm results. Let's cast to name not text to avoid that.
* Fixed NaN/Infinity problems in ECPG for float/double/numeric/decimal by ↵Michael Meskes2010-02-02
| | | | | | making it OS independant. Patch done by Zoltán Böszörményi.
* Tighten integrity checks on ALTER TABLE ... ALTER COLUMN ... RENAME.Robert Haas2010-02-01
| | | | | | | | | | | | | | | When a column is renamed, we recursively rename the same column in all descendent tables. But if one of those tables also inherits that column from a table outside the inheritance hierarchy rooted at the named table, we must throw an error. The previous coding correctly prohibited the rename when the parent had inherited the column from elsewhere, but overlooked the case where the parent was OK but a child table also inherited the same column from a second, unrelated parent. For now, not backpatched due to lack of complaints from the field. KaiGai Kohei, with further changes by me. Reviewed by Bernd Helme and Tom Lane.
* Augment EXPLAIN output with more details on Hash nodes.Robert Haas2010-02-01
| | | | | | We show the number of buckets, the number of batches (and also the original number if it has changed), and the peak space used by the hash table. Minor executor changes to track peak space used.
* Revoke augmentation of WAL records for btree delete, per discussion.Simon Riggs2010-02-01
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* Add string_agg aggregate functions. The one argument version concatenatesItagaki Takahiro2010-02-01
| | | | | | | the input values into a string. The two argument version also does the same thing, but inserts delimiters between elements. Original patch by Pavel Stehule, reviewed by David E. Wheeler and me.
* Change regexp engine's ccondissect/crevdissect routines to perform DFATom Lane2010-02-01
| | | | | | | | | | | | | | | | | matching before recursing instead of after. The DFA match eliminates unworkable midpoint choices a lot faster than the recursive check, in most cases, so doing it first can speed things up; particularly in pathological cases such as recently exhibited by Michael Glaesemann. In addition, apply some cosmetic changes that were applied upstream (in the Tcl project) at the same time, in order to sync with upstream version 1.15 of regexec.c. Upstream apparently intends to backpatch this, so I will too. The pathological behavior could be unpleasant if encountered in the field, which seems to justify any risk of introducing new bugs. Tom Lane, reviewed by Donal K. Fellows of Tcl project
* Detect early deadlock in Hot Standby when Startup is already waiting. FirstSimon Riggs2010-01-31
| | | | | | stage of required deadlock detection to allow re-enabling max_standby_delay setting of -1, which is now essential in the absence of improved relation- specific conflict resoluton. Requested by Greg Stark et al.
* Fix memory leak created by deferrable-index-constraints patches.Tom Lane2010-01-31
| | | | | | | | | We need to free the OID list returned by ExecInsertIndexTuples to avoid a query-lifespan memory leak. When many rows require rechecking, this can be a significant leak --- it's even more than the space used for the queued trigger events. Dean Rasheed
* Make checks for invalid pgStatSock use PGINVALID_SOCKETMagnus Hagander2010-01-31
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* Parenthesize this macro, just in case.Tom Lane2010-01-31
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* Get rid of unportable use of socklen_t --- we have a configure testTom Lane2010-01-31
| | | | for that, so use it.
* Remove now unnecessary loop around CallNamedPipe().Magnus Hagander2010-01-31
| | | | Radu Ilie
* Fix race condition in win32 signal handling.Magnus Hagander2010-01-31
| | | | | | | | | | | | There was a race condition where the receiving pipe could be closed by the child thread if the main thread was pre-empted before it got a chance to create a new one, and the dispatch thread ran to completion during that time. One symptom of this is that rows in pg_listener could be dropped under heavy load. Analysis and original patch by Radu Ilie, with some small modifications by Magnus Hagander.
* Avoid performing encoding conversion on command tag strings during EndCommand.Tom Lane2010-01-30
| | | | | | | | | | | | | Since all current and foreseeable future command tags will be pure ASCII, there is no need to do conversion on them. This saves a few cycles and also avoids polluting otherwise-pristine subtransaction memory contexts, which is the cause of the backend memory leak exhibited in bug #5302. (Someday we'll probably want to have a better method of determining whether subtransaction contexts need to be kept around, but today is not that day.) Backpatch to 8.0. The cycle-shaving aspect of this would work in 7.4 too, but without subtransactions the memory-leak aspect doesn't apply, so it doesn't seem worth touching 7.4.
* Fix memory leakage introduced into print_aligned_text by 8.4 changesTom Lane2010-01-30
| | | | | | | (failure to free col_lineptrs[] array elements) and exacerbated in the current devel cycle (failure to free "wrap"). This resulted in moderate bloat of psql over long script runs. Noted while testing bug #5302, although what the reporter was complaining of was backend-side leakage.
* Fix some comments that got mangled by pgindent.Tom Lane2010-01-30
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* Add plperl.on_perl_init setting to provide for initializing the perl library ↵Andrew Dunstan2010-01-30
| | | | | | | | on load. Also, handle END blocks in plperl. Database access is disallowed during both these operations, although it might be allowed in END blocks in future. Patch from Tim Bunce.
* Adjust GetLockConflicts() so that it uses TopMemoryContext whenSimon Riggs2010-01-29
| | | | | executed InHotStandby. Cleaner solution than using malloc or palloc depending upon situation, as proposed by Tom.
* Augment WAL records for btree delete with GetOldestXmin() to reduceSimon Riggs2010-01-29
| | | | | | | | false positives during Hot Standby conflict processing. Simple patch to enhance conflict processing, following previous discussions. Controlled by parameter minimize_standby_conflicts = on | off, with default off allows measurement of performance impact to see whether it should be set on all the time.
* Allow psql variables to be interpolated with literal or identifier escaping.Robert Haas2010-01-29
| | | | Loosely based on a patch by Pavel Stehule.
* Filter recovery conflicts based upon dboid from relfilenode of WALSimon Riggs2010-01-29
| | | | | | | | records for heap and btree. Minor change, mostly API changes to pass through the required values. This is a simple change though also provides the refactoring required for further enhancements to conflict processing using the relOid. Changes only have effect during Hot Standby.
* Changed ECPG outofscope handling to always print out statements in the same ↵Michael Meskes2010-01-29
| | | | | | | | order so regression testing is possible, by Zoltan Boszormenyi
* Fixed a few typos in ecpg. Two were in comments, the third made a log output ↵Michael Meskes2010-01-29
| | | | reverse yes and no.
* Fix command tag for ALTER LARGE OBJECT.Itagaki Takahiro2010-01-29
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* Type table featurePeter Eisentraut2010-01-28
| | | | This adds the CREATE TABLE name OF type command, per SQL standard.
* Fix bug found by warning from recent gcc. patch from Tim Bunce.Andrew Dunstan2010-01-28
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* Fix crashing bug at the end of recovery in Streaming Replication, whenHeikki Linnakangas2010-01-28
| | | | restore_command is not given. Fujii Masao.
* Add functions to reset the statistics counter for a single table/index orMagnus Hagander2010-01-28
| | | | a single function.
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