Release date: 2016-03-31
This release contains a variety of fixes from 9.2.15. For information about new features in the 9.2 major release, see Section E.107.
A dump/restore is not required for those running 9.2.X.
However, if you are upgrading from a version earlier than 9.2.11, see Section E.96.
Fix incorrect handling of NULL index entries in indexed
ROW() comparisons (Tom Lane)
An index search using a row comparison such as
ROW(a, b) > ROW('x', 'y') would stop upon
reaching a NULL entry in the
column, ignoring the fact that there might be non-NULL
b values associated with later values of
Avoid unlikely data-loss scenarios due to renaming files without
fsync() calls before and
after (Michael Paquier, Tomas Vondra, Andres Freund)
Correctly handle cases where
pg_subtrans is close to XID wraparound during
server startup (Jeff Janes)
Fix corner-case crash due to trying to free
localeconv() output strings more than once (Tom
Fix parsing of affix files for
ispell dictionaries (Tom Lane)
The code could go wrong if the affix file contained any
characters whose byte length changes during case-folding, for
I in Turkish UTF8 locales.
Avoid use of
sscanf() to parse
ispell dictionary files (Artur
This dodges a portability problem on FreeBSD-derived platforms (including macOS).
Avoid a crash on old Windows versions (before 7SP1/2008R2SP1) with an AVX2-capable CPU and a Postgres build done with Visual Studio 2013 (Christian Ullrich)
This is a workaround for a bug in Visual Studio 2013's runtime library, which Microsoft have stated they will not fix in that version.
Fix psql's tab completion logic to handle multibyte characters properly (Kyotaro Horiguchi, Robert Haas)
Fix psql's tab completion for
SECURITY LABEL (Tom Lane)
Pressing TAB after
might cause a crash or offering of inappropriate keywords.
Make pg_ctl accept a wait
timeout from the
environment variable, if none is specified on the command line
This eases testing of slower buildfarm members by allowing them to globally specify a longer-than-normal timeout for postmaster startup and shutdown.
Fix incorrect test for Windows service status in pg_ctl (Manuel Mathar)
The previous set of minor releases attempted to fix pg_ctl to properly determine whether to send log messages to Window's Event Log, but got the test backwards.
Fix pgbench to correctly handle
the combination of
-M prepared options (Tom Lane)
In PL/Perl, properly translate empty Postgres arrays into empty Perl arrays (Alex Hunsaker)
Make PL/Python cope with function names that aren't valid Python identifiers (Jim Nasby)
Fix multiple mistakes in the statistics returned by
pgstatindex() function (Tom Lane)
Remove dependency on
psed in MSVC
builds, since it's no longer provided by core Perl (Michael
Paquier, Andrew Dunstan)
Update time zone data files to tzdata release 2016c for DST law changes in Azerbaijan, Chile, Haiti, Palestine, and Russia (Altai, Astrakhan, Kirov, Sakhalin, Ulyanovsk regions), plus historical corrections for Lithuania, Moldova, and Russia (Kaliningrad, Samara, Volgograd).
If you see anything in the documentation that is not correct, does not match your experience with the particular feature or requires further clarification, please use this form to report a documentation issue.