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* Minor improvements in backup and recovery:Tom Lane2007-09-26
* HOT updates. When we update a tuple without changing any of its indexedTom Lane2007-09-20
* Replace the former method of determining snapshot xmax --- to wit, callingTom Lane2007-09-08
* Implement lazy XID allocation: transactions that do not modify any databaseTom Lane2007-09-05
* Tsearch2 functionality migrates to core. The bulk of this work is byTom Lane2007-08-21
* Support an optional asynchronous commit mode, in which we don't flush WALTom Lane2007-08-01
* Rename DLLIMPORT macro to PGDLLIMPORT to avoid conflict withMagnus Hagander2007-07-25
* Create a new dedicated Postgres process, "wal writer", which exists to writeTom Lane2007-07-24
* Improve logging of checkpoints. Patch by Greg Smith, worked overTom Lane2007-06-30
* Implement "distributed" checkpoints in which the checkpoint I/O is spreadTom Lane2007-06-28
* Teach heapam code to know the difference between a real seqscan and theTom Lane2007-06-09
* Arrange for large sequential scans to synchronize with each other, so thatTom Lane2007-06-08
* Fix several hash functions that were taking chintzy shortcuts instead ofTom Lane2007-06-01
* Make large sequential scans and VACUUMs work in a limited-size "ring" ofTom Lane2007-05-30
* Fix up pgstats counting of live and dead tuples to recognize that committedTom Lane2007-05-27
* To support external compression of archived WAL data, add a flag bit toTom Lane2007-05-20
* Move the tuple freezing point in CLUSTER to a point further back in the past,Alvaro Herrera2007-05-17
* Tweak hash index AM to use the new ReadOrZeroBuffer bufmgr API when fetchingTom Lane2007-05-03
* Change the timestamps recorded in transaction commit/abort xlog recordsTom Lane2007-04-30
* Implement rate-limiting logic on how often backends will attempt to sendTom Lane2007-04-30
* Repair PANIC condition in hash indexes when a previous index extension attemptTom Lane2007-04-19
* Code review for btree page split WAL reduction patch. Make it actually workTom Lane2007-04-11
* Minor tweaking of index special-space definitions so that the variousTom Lane2007-04-09
* Make CLUSTER MVCC-safe. Heikki LinnakangasTom Lane2007-04-08
* Make 'col IS NULL' clauses be indexable conditions.Tom Lane2007-04-06
* Support varlena fields with single-byte headers and unaligned storage.Tom Lane2007-04-06
* Decouple the values of TOAST_TUPLE_THRESHOLD and TOAST_MAX_CHUNK_SIZE.Tom Lane2007-04-03
* Support enum data types. Along the way, use macros for the values ofTom Lane2007-04-02
* Teach CLUSTER to skip writing WAL if not needed (ie, not using archiving)Tom Lane2007-03-29
* First phase of plan-invalidation project: create a plan cache managementTom Lane2007-03-13
* Remove undo information from pg_controldata --- never used.Bruce Momjian2007-03-03
* Replace direct assignments to VARATT_SIZEP(x) with SET_VARSIZE(x, len).Tom Lane2007-02-27
* Move fsync method macro defines into /include/access/xlogdefs.h so theyBruce Momjian2007-02-14
* Combine cmin and cmax fields of HeapTupleHeaders into a single field, byTom Lane2007-02-09
* Reduce WAL activity for page splits:Bruce Momjian2007-02-08
* Rename MaxTupleSize to MaxHeapTupleSize to clarify that it's not meant toTom Lane2007-02-05
* Don't MAXALIGN in the checks to decide whether a tuple is over TOAST'sTom Lane2007-02-04
* Allow GIN's extractQuery method to signal that nothing can satisfy the query.Teodor Sigaev2007-01-31
* Add support for cross-type hashing in hash index searches and hash joins.Tom Lane2007-01-30
* Prevent WAL logging when COPY is done in the same transation thatBruce Momjian2007-01-25
* Refactor the index AM API slightly: move currentItemData andNeil Conway2007-01-20
* Enable another five tuple status bits by using the high bits of theBruce Momjian2007-01-09
* Support ORDER BY ... NULLS FIRST/LAST, and add ASC/DESC/NULLS FIRST/NULLS LASTTom Lane2007-01-09
* Update CVS HEAD for 2007 copyright. Back branches are typically notBruce Momjian2007-01-05
* Repair two related errors in heap_lock_tuple: it was failing to recognizeTom Lane2006-11-17
* Fix recently-understood problems with handling of XID freezing, particularlyTom Lane2006-11-05
* Fix "failed to re-find parent key" btree VACUUM failure by revising pageTom Lane2006-11-01
* Make use of qsort_arg in several places that were formerly using klugyTom Lane2006-10-05
* pgindent run for 8.2.Bruce Momjian2006-10-04
* If we're going to advertise the array overlap/containment operators,Tom Lane2006-09-10