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Tom Lane bec98a31c5 Revise aggregate functions per earlier discussions in pghackers. 
There's now only one transition value and transition function.
NULL handling in aggregates is a lot cleaner.  Also, use Numeric
accumulators instead of integer accumulators for sum/avg on integer
datatypes --- this avoids overflow at the cost of being a little slower.
Implement VARIANCE() and STDDEV() aggregates in the standard backend.

Also, enable new LIKE selectivity estimators by default.  Unrelated
change, but as long as I had to force initdb anyway...
 		2000-07-17 03:05:41 +00:00
config Substituted new configure test for types of accept() 2000-06-11 11:40:09 +00:00
contrib Automatic dependency tracking 2000-07-16 14:50:44 +00:00
doc Revise aggregate functions per earlier discussions in pghackers. 2000-07-17 03:05:41 +00:00
src Revise aggregate functions per earlier discussions in pghackers. 2000-07-17 03:05:41 +00:00
COPYRIGHT Update copyright file. 2000-01-29 08:53:10 +00:00
GNUmakefile.in Automatic dependency tracking 2000-07-16 14:50:44 +00:00
HISTORY Update for 7.0.2. 2000-06-05 10:57:57 +00:00
INSTALL Update for 7.0.2. 2000-06-05 17:07:56 +00:00
Makefile Put back old Makefiles, in pgsql and pgsql/src. 2000-06-12 16:37:22 +00:00
README Brand 7.1 release. Also update jdbc version in release branch. 2000-06-12 22:36:19 +00:00
aclocal.m4 Big warnings cleanup for Solaris/GCC. Down to about 40 now, but 2000-06-14 18:18:01 +00:00
configure Automatic dependency tracking 2000-07-16 14:50:44 +00:00
configure.in Automatic dependency tracking 2000-07-16 14:50:44 +00:00
register.txt Brand 7.1 release. Also update jdbc version in release branch. 2000-06-12 22:36:19 +00:00

README 

 
PostgreSQL Data Base Management System (formerly known as Postgres, then
as Postgres95).
  
This directory contains the development version of 7.1 of the
PostgreSQL database server.  The server is not ANSI SQL compliant, but
it gets closer with every release.  After you unzip and untar the
distribution file, look at file INSTALL for the installation notes and
file HISTORY for the changes.

The latest version of this software may be obtained at
ftp://ftp.postgresql.org/pub/.  For more information look at our WWW
home page located at http://www.postgreSQL.org/.

PostgreSQL is not public domain software.  It is copyrighted by the
University of California but may be used according to the licensing
terms of the the copyright below:

------------------------------------------------------------------------

POSTGRES95 Data Base Management System (formerly known as Postgres, then
as Postgres95).

Copyright (c) 1994-7 Regents of the University of California

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose, without fee, and without a written agreement
is hereby granted, provided that the above copyright notice and this
paragraph and the following two paragraphs appear in all copies.

IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.

THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO
PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.