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* Improve statistics estimation to make some use of DISTINCT in sub-queries.Tom Lane2012-02-16
* Run a portal's cleanup hook immediately when pushing it to FAILED state.Tom Lane2012-02-15
* Preserve column names in the execution-time tupledesc for a RowExpr.Tom Lane2012-02-14
* Allow LEAKPROOF functions for better performance of security views.Robert Haas2012-02-13
* Support min/max index optimizations on boolean columns.Tom Lane2012-02-08
* Mark some more I/O-conversion-invoking functions as stable not volatile.Tom Lane2012-02-08
* Add transform functions for various temporal typmod coercisions.Robert Haas2012-02-08
* Rename LWLockWaitUntilFree to LWLockAcquireOrWait.Heikki Linnakangas2012-02-08
* Support fls().Robert Haas2012-02-07
* Add a transform function for varbit typmod coercisions.Robert Haas2012-02-07
* Add a transform function for numeric typmod coercisions.Robert Haas2012-02-07
* Add TIMING option to EXPLAIN, to allow eliminating of timing overhead.Robert Haas2012-02-07
* Add array_to_json and row_to_json functions.Andrew Dunstan2012-02-03
* Allow spgist's text_ops to handle pattern-matching operators.Robert Haas2012-02-02
* Catversion bump for JSON patch.Robert Haas2012-01-31
* Built-in JSON data type.Robert Haas2012-01-31
* Make group commit more effective.Heikki Linnakangas2012-01-30
* Various minor comments changes from bgwriter to checkpointer.Simon Riggs2012-01-30
* Assorted comment fixes, mostly just typos, but some obsolete statements.Tom Lane2012-01-29
* Fix typo in comment.Tom Lane2012-01-29
* Use parameterized paths to generate inner indexscans more flexibly.Tom Lane2012-01-27
* Show default privileges in information schemaPeter Eisentraut2012-01-27
* Disallow ALTER DOMAIN on non-domain type everywherePeter Eisentraut2012-01-27
* Hide most variable-length fields from Form_pg_* structsPeter Eisentraut2012-01-27
* Make bgwriter sleep longer when it has no work to do, to save electricity.Heikki Linnakangas2012-01-26
* Add deadlock counter to pg_stat_databaseMagnus Hagander2012-01-26
* Classify DROP operations by whether or not they are user-initiated.Robert Haas2012-01-26
* Track temporary file count and size in pg_stat_databaseMagnus Hagander2012-01-26
* Instrument index-only scans to count heap fetches performed.Robert Haas2012-01-25
* Allow pg_basebackup from standby node with safety checking.Simon Riggs2012-01-25
* Add pg_trigger_depth() functionAlvaro Herrera2012-01-25
* Add new replication mode synchronous_commit = 'write'.Simon Riggs2012-01-24
* Resolve timing issue with logging locks for Hot Standby.Simon Riggs2012-01-23
* ALTER <thing> [IF EXISTS] ... allows silent DDL if required,Simon Riggs2012-01-23
* Add bitwise AND, OR, and NOT operators for macaddr data type.Robert Haas2012-01-19
* Separate state from query string in pg_stat_activityMagnus Hagander2012-01-19
* Prevent adding relations to a concurrently dropped schema.Robert Haas2012-01-16
* Fix CLUSTER/VACUUM FULL for toast values owned by recently-updated rows.Tom Lane2012-01-12
* Remove useless 'needlock' argument from GetXLogInsertRecPtr. It was alwaysHeikki Linnakangas2012-01-11
* Rename the internal structures of the CREATE TABLE (LIKE ...) facilityPeter Eisentraut2012-01-07
* Use __sync_lock_test_and_set() for spinlocks on ARM, if available.Tom Lane2012-01-07
* Slightly reorganize struct SnapshotData.Robert Haas2012-01-06
* Improve behavior of concurrent ALTER TABLE, and do some refactoring.Robert Haas2012-01-06
* Make the number of CLOG buffers adaptive, based on shared_buffers.Robert Haas2012-01-06
* Improve ALTER DOMAIN / DROP CONSTRAINT with nonexistent constraintPeter Eisentraut2012-01-05
* Use a non-locking initial test in TAS_SPIN on PPC.Tom Lane2012-01-03
* Support for building with MS Visual Studio 2010.Andrew Dunstan2012-01-03
* Use LWSYNC in place of SYNC/ISYNC in PPC spinlocks, where possible.Tom Lane2012-01-02
* Use 4-byte slock_t on both PPC and PPC64.Tom Lane2012-01-02
* Use mutex hint bit in PPC LWARX instructions, where possible.Tom Lane2012-01-02