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Heikki Linnakangas 37e0f13f26 Fix bug where GIN scan keys were not initialized with gin_fuzzy_search_limit. 
When gin_fuzzy_search_limit was used, we could jump out of startScan()
without calling startScanKey(). That was harmless in 9.3 and below, because
startScanKey()() didn't do anything interesting, but in 9.4 it initializes
information needed for skipping entries (aka GIN fast scans), and you
readily get a segfault if it's not done. Nevertheless, it was clearly wrong
all along, so backpatch all the way to 9.1 where the early return was
introduced.

(AFAICS startScanKey() did nothing useful in 9.3 and below, because the
fields it initialized were already initialized in ginFillScanKey(), but I
don't dare to change that in a minor release. ginFillScanKey() is always
called in gingetbitmap() even though there's a check there to see if the
scan keys have already been initialized, because they never are; ginrescan()
free's them.)

In the passing, remove unnecessary if-check from the second inner loop in
startScan(). We already check in the first loop that the condition is true
for all entries.

Reported by Olaf Gawenda, bug #12694, Backpatch to 9.1 and above, although
AFAICS it causes a live bug only in 9.4.
2015-01-29 19:37:22 +02:00
config Accept tcl 8.6 in configure's probe for tclsh. 2014-05-10 10:48:11 -04:00
contrib pg_standby: Avoid writing one byte beyond the end of the buffer. 2015-01-15 09:42:33 -05:00
doc Improve documentation of random() function. 2015-01-20 21:21:44 -05:00
src Fix bug where GIN scan keys were not initialized with gin_fuzzy_search_limit. 2015-01-29 19:37:22 +02:00
.gitignore Add gitignore for mingw/cygwin build outputs 2011-06-09 18:11:47 +02:00
aclocal.m4 Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
configure On Darwin, detect and report a multithreaded postmaster. 2015-01-07 22:42:42 -05:00
configure.in On Darwin, detect and report a multithreaded postmaster. 2015-01-07 22:42:42 -05:00
COPYRIGHT Update copyright for 2015 2015-01-06 11:43:46 -05:00
GNUmakefile.in Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:23 -05:00
HISTORY Improve text of stub HISTORY file. 2014-02-12 18:16:36 -05:00
Makefile Allow make check in PL directories 2011-02-15 06:52:12 +02:00
README Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:23 -05:00
README.git Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:23 -05:00

README 

PostgreSQL Database Management System
=====================================

This directory contains the source code distribution of the PostgreSQL
database management system.

PostgreSQL is an advanced object-relational database management system
that supports an extended subset of the SQL standard, including
transactions, foreign keys, subqueries, triggers, user-defined types
and functions.  This distribution also contains C language bindings.

PostgreSQL has many language interfaces, many of which are listed here:

	http://www.postgresql.org/download

See the file INSTALL for instructions on how to build and install
PostgreSQL.  That file also lists supported operating systems and
hardware platforms and contains information regarding any other
software packages that are required to build or run the PostgreSQL
system.  Copyright and license information can be found in the
file COPYRIGHT.  A comprehensive documentation set is included in this
distribution; it can be read as described in the installation
instructions.

The latest version of this software may be obtained at
http://www.postgresql.org/download/.  For more information look at our
web site located at http://www.postgresql.org/.