99d022ccc5
* Make "DISCARD ALL" release advisory locks, in addition to everything it already did This was decided to be the most appropriate behavior. This could affect existing applications, however. * Fix whole-index GiST scans to work correctly This error could cause rows to be lost if a table is clustered on a GiST index. * Fix crash of xmlconcat(NULL) * Fix possible crash in ispell dictionary if high-bit-set characters are used as flags This is known to be done by one widely available Norwegian dictionary, and the same condition may exist in others. * Fix misordering of pg_dump output for composite types The most likely problem was for user-defined operator classes to be dumped after indexes or views that needed them. * Improve handling of URLs in headline() function * Improve handling of overlength headlines in headline() function * Prevent possible Assert failure or misconversion if an encoding conversion is created with the wrong conversion function for the specified pair of encodings * Fix possible Assert failure if a statement executed in PL/pgSQL is rewritten into another kind of statement, for example if an "INSERT" is rewritten into an "UPDATE" * Ensure that a snapshot is available to datatype input functions * Make it safer for SPI-using functions to be used within datatype I/O; in particular, to be used in domain check constraints * Avoid unnecessary locking of small tables in "VACUUM" * Fix a problem that sometimes kept "ALTER TABLE ENABLE/DISABLE RULE" from being recognized by active sessions * Fix a problem that made UPDATE RETURNING tableoid return zero instead of the correct OID * Allow functions declared as taking ANYARRAY to work on the pg_statistic columns of that type This used to work, but was unintentionally broken in 8.3. * Fix planner misestimation of selectivity when transitive equality is applied to an outer-join clause This could result in bad plans for queries like ... from a left join b on a.a1 = b.b1 where a.a1 = 42 ... * Improve optimizer's handling of long IN lists This change avoids wasting large amounts of time on such lists when constraint exclusion is enabled. * Prevent synchronous scan during GIN index build Because GIN is optimized for inserting tuples in increasing TID order, choosing to use a synchronous scan could slow the build by a factor of three or more. * Ensure that the contents of a holdable cursor don't depend on the contents of TOAST tables * Fix memory leak when a set-returning function is terminated without reading its whole result * Fix encoding conversion problems in XML functions when the database encoding isn't UTF-8 * Fix "contrib/dblink"'s dblink_get_result(text,bool) function * Fix possible garbage output from "contrib/sslinfo" functions * Fix incorrect behavior of "contrib/tsearch2" compatibility trigger when it's fired more than once in a command * Fix possible mis-signaling in autovacuum * Support running as a service on Windows 7 beta * Fix ecpg's handling of varchar structs * Fix configure script to properly report failure when unable to obtain linkage information for PL/Perl * Make all documentation reference pgsql-bugs and/or pgsql-hackers as appropriate, instead of the now-decommissioned pgsql-ports and pgsql-patches mailing lists * Update time zone data files to tzdata release 2009a (for Kathmandu and historical DST corrections in Switzerland, Cuba) |
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