+ The main consequence of this mistake is that lowering
+ linkend="guc-vacuum-freeze-min-age">vacuum_freeze_min_age
+ would cause full-table vacuuming scans to occur much more frequently
+ than intended.
+
+
+
+
+ Prevent misbehavior when a RowExpr or XmlExpr
+ is parse-analyzed twice (Andres Freund, Tom Lane)
+
+
+ This mistake could be user-visible in contexts such as
+ CREATE TABLE LIKE INCLUDING INDEXES.
+
+
+
+
+ Improve defenses against integer overflow in hashtable sizing
+ calculations (Jeff Davis)
+
+
+
+
+ Fix failure to ignore leftover temporary tables after a server crash
+ (Tom Lane)
+
+
+
+
+ Reject out-of-range dates in to_date() (Hitoshi Harada)
+
+
+
+
+ Fix pg_extension_config_dump() to handle
+ extension-update cases properly (Tom Lane)
+
+
+ This function will now replace any existing entry for the target
+ table, making it usable in extension update scripts.
+
+
+
+
+ Fix PL/Python's handling of functions used as triggers on multiple
+ tables (Andres Freund)
+
+
+
+
+ Ensure that non-ASCII prompt strings are translated to the correct
+ code page on Windows (Alexander Law, Noah Misch)
+
+
+ This bug affected
psql and some other client programs.+
+
+
+
+ Fix possible crash in
psql's \? command+ when not connected to a database (Meng Qingzhong)
+
+
+
+
+ Fix possible error if a relation file is removed while
+
pg_basebackup is running (Heikki Linnakangas)+
+
+
+
+ Make
pg_dump exclude data of unlogged tables when+ running on a hot-standby server (Magnus Hagander)
+
+
+ This would fail anyway because the data is not available on the standby
+ server, so it seems most convenient to assume
+
+
+
+
+
+ Fix
pg_upgrade to deal with invalid indexes safely+ (Bruce Momjian)
+
+
+
+
+ Fix one-byte buffer overrun in
libpq's+ PQprintTuples (Xi Wang)
+
+
+ This ancient function is not used anywhere by
+
PostgreSQL itself, but it might still be used by some+ client code.
+
+
+
+
+ Make
ecpglib use translated messages properly+ (Chen Huajun)
+
+
+
+
+ Properly install
ecpg_compat and+
pgtypes libraries on MSVC (Jiang Guiqing)+
+
+
+
+ Include our version of isinf() in
+
libecpg if it's not provided by the system+ (Jiang Guiqing)
+
+
+
+
+ Rearrange configure's tests for supplied functions so it is not
+ fooled by bogus exports from libedit/libreadline (Christoph Berg)
+
+
+
+
+ Ensure Windows build number increases over time (Magnus Hagander)
+
+
+
+
+ Make
pgxs build executables with the right+ .exe suffix when cross-compiling for Windows
+ (Zoltan Boszormenyi)
+
+
+
+
+ Add new timezone abbreviation FET (Tom Lane)
+
+
+ This is now used in some eastern-European time zones.
+
+
+
+
+
+
+
+
Release 9.1.7
+
+
Release 9.2.3
+
+
+
Release Date
+ 2013-02-07
+
+
+ This release contains a variety of fixes from 9.2.2.
+ For information about new features in the 9.2 major release, see
+ .
+
+
+
+
Migration to Version 9.2.3
+
+ A dump/restore is not required for those running 9.2.X.
+
+
+ However, if you are upgrading from a version earlier than 9.2.2,
+ see the release notes for 9.2.2.
+
+
+
+
+
+
Changes
+
+
+
+
+ Fix multiple problems in detection of when a consistent database
+ state has been reached during WAL replay (Fujii Masao, Heikki
+ Linnakangas, Simon Riggs, Andres Freund)
+
+
+
+
+ Fix detection of end-of-backup point when no actual redo work is
+ required (Heikki Linnakangas)
+
+
+ This mistake could result in incorrect WAL ends before end of
+ online backup errors.
+
+
+
+
+ Update minimum recovery point when truncating a relation file (Heikki
+ Linnakangas)
+
+
+ Once data has been discarded, it's no longer safe to stop recovery at
+ an earlier point in the timeline.
+
+
+
+
+ Fix recycling of WAL segments after changing recovery target timeline
+ (Heikki Linnakangas)
+
+
+
+
+ Properly restore timeline history files from archive on cascading
+ standby servers (Heikki Linnakangas)
+
+
+
+
+ Fix lock conflict detection on hot-standby servers (Andres Freund,
+ Robert Haas)
+
+
+
+
+ Fix missing cancellations in hot standby mode (Noah Misch, Simon Riggs)
+
+
+ The need to cancel conflicting hot-standby queries would sometimes be
+ missed, allowing those queries to see inconsistent data.
+
+
+
+
+ Prevent recovery pause feature from pausing before users can connect
+ (Tom Lane)
+
+
+
+
+ Fix SQL grammar to allow subscripting or field selection from a
+ sub-SELECT result (Tom Lane)
+
+
+
+
+ Fix performance problems with autovacuum truncation in busy workloads
+ (Jan Wieck)
+
+
+ Truncation of empty pages at the end of a table requires exclusive
+ lock, but autovacuum was coded to fail (and release the table lock)
+ when there are conflicting lock requests. Under load, it is easily
+ possible that truncation would never occur, resulting in table bloat.
+ Fix by performing a partial truncation, releasing the lock, then
+ attempting to re-acquire the lock and continue. This fix also greatly
+ reduces the average time before autovacuum releases the lock after a
+ conflicting request arrives.
+
+
+
+
+ Improve performance of SPI_execute and related
+ functions, thereby improving PL/pgSQL's EXECUTE
+ (Heikki Linnakangas, Tom Lane)
+
+
+ Remove some data-copying overhead that was added in 9.2 as a
+ consequence of revisions in the plan caching mechanism. This
+ eliminates a performance regression compared to 9.1, and also saves
+ memory, especially when the query string to be executed contains many
+ SQL statements.
+
+
+ A side benefit is that multi-statement query strings are now
+ processed fully serially, that is we complete execution of earlier
+ statements before running parse analysis and planning on the
+ following ones. This eliminates a long-standing issue, in that DDL
+ that should affect the behavior of a later statement will now behave as
+ expected.
+
+
+
+
+ Restore pre-9.2 cost estimates for index usage (Tom Lane)
+
+
+ An ill-considered change of a fudge factor led to undesirably high
+ cost estimates for use of very large indexes.
+
+
+
+
+ Fix intermittent crash in DROP INDEX CONCURRENTLY (Tom Lane)
+
+
+
+
+ Fix potential corruption of shared-memory lock table during
+ CREATE/DROP INDEX CONCURRENTLY (Tom Lane)
+
+
+
+
+ Fix COPY's multiple-tuple-insertion code for the case of
+ a tuple larger than page size minus fillfactor (Heikki Linnakangas)
+
+
+ The previous coding could get into an infinite loop.
+
+
+
+
+ Protect against race conditions when scanning
+ pg_tablespace (Stephen Frost, Tom Lane)
+
+
+ CREATE DATABASE and DROP DATABASE could
+ misbehave if there were concurrent updates of
+ pg_tablespace entries.
+
+
+
+
+ Prevent DROP OWNED from trying to drop whole databases or
+ tablespaces (Álvaro Herrera)
+
+
+ For safety, ownership of these objects must be reassigned, not dropped.
+
+
+
+
+ Fix error in
+ linkend="guc-vacuum-freeze-table-age">vacuum_freeze_table_age
+ implementation (Andres Freund)
+
+
+ The main consequence of this mistake is that lowering
+ linkend="guc-vacuum-freeze-min-age">vacuum_freeze_min_age
+ would cause full-table vacuuming scans to occur much more frequently
+ than intended.
+
+
+
+
+ Prevent misbehavior when a RowExpr or XmlExpr
+ is parse-analyzed twice (Andres Freund, Tom Lane)
+
+
+ This mistake could be user-visible in contexts such as
+ CREATE TABLE LIKE INCLUDING INDEXES.
+
+
+
+
+ Improve defenses against integer overflow in hashtable sizing
+ calculations (Jeff Davis)
+
+
+
+
+ Fix some bugs associated with privileges on datatypes (Tom Lane)
+
+
+ There were some issues with default privileges for types, and
+
pg_dump failed to dump such privileges at all.+
+
+
+
+ Fix failure to ignore leftover temporary tables after a server crash
+ (Tom Lane)
+
+
+
+
+ Fix failure to rotate postmaster log files for size reasons on
+ Windows (Jeff Janes, Heikki Linnakangas)
+
+
+
+
+ Reject out-of-range dates in to_date() (Hitoshi Harada)
+
+
+
+
+ Fix pg_extension_config_dump() to handle
+ extension-update cases properly (Tom Lane)
+
+
+ This function will now replace any existing entry for the target
+ table, making it usable in extension update scripts.
+
+
+
+
+ Fix PL/pgSQL's reporting of plan-time errors in possibly-simple
+ expressions (Tom Lane)
+
+
+ The previous coding resulted in sometimes omitting the first line in
+ the CONTEXT traceback for the error.
+
+
+
+
+ Fix PL/Python's handling of functions used as triggers on multiple
+ tables (Andres Freund)
+
+
+
+
+ Ensure that non-ASCII prompt strings are translated to the correct
+ code page on Windows (Alexander Law, Noah Misch)
+
+
+ This bug affected
psql and some other client programs.+
+
+
+
+ Fix possible crash in
psql's \? command+ when not connected to a database (Meng Qingzhong)
+
+
+
+
+ Fix possible error if a relation file is removed while
+
pg_basebackup is running (Heikki Linnakangas)+
+
+
+
+ Tolerate timeline switches while pg_basebackup -X fetch
+ is backing up a standby server (Heikki Linnakangas)
+
+
+
+
+ Make
pg_dump exclude data of unlogged tables when+ running on a hot-standby server (Magnus Hagander)
+
+
+ This would fail anyway because the data is not available on the standby
+ server, so it seems most convenient to assume
+
+
+
+
+
+ Fix
pg_upgrade to deal with invalid indexes safely+ (Bruce Momjian)
+
+
+
+
+ Fix
pg_upgrade's -O/-o options (Bruce Momjian)+
+
+
+
+ Fix one-byte buffer overrun in
libpq's+ PQprintTuples (Xi Wang)
+
+
+ This ancient function is not used anywhere by
+
PostgreSQL itself, but it might still be used by some+ client code.
+
+
+
+
+ Make
ecpglib use translated messages properly+ (Chen Huajun)
+
+
+
+
+ Properly install
ecpg_compat and+
pgtypes libraries on MSVC (Jiang Guiqing)+
+
+
+
+ Include our version of isinf() in
+
libecpg if it's not provided by the system+ (Jiang Guiqing)
+
+
+
+
+ Rearrange configure's tests for supplied functions so it is not
+ fooled by bogus exports from libedit/libreadline (Christoph Berg)
+
+
+
+
+ Ensure Windows build number increases over time (Magnus Hagander)
+
+
+
+
+ Make
pgxs build executables with the right+ .exe suffix when cross-compiling for Windows
+ (Zoltan Boszormenyi)
+
+
+
+
+ Add new timezone abbreviation FET (Tom Lane)
+
+
+ This is now used in some eastern-European time zones.
+
+
+
+
+
+
+
+
Release 9.2.2
projects / postgresql.git / commitdiff