Postgres-XL Cluster Database Management System

Portions Copyright (c) 2012-2014, TransLattice, Inc.
Portions Copyright (c) 2010-2013, Postgres-XC Development Group
Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
Portions Copyright (c) 2015-1016, 2ndQuadrant Limited

Portions Copyright (c) 1994, The 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.


History
=======

Postgres-XL project is based on prior work of Postgres-XC project. The
Postgres-XC project itself is based on PostgreSQL and is available under
PostgreSQL license. The work done by the PostgreSQL community is copyrighted
by the PostgreSQL Global Development Group. The work done by the Postgres-XC
community is copyrighted by the Postgres-XC Development Group.

All the exclusive work in Postgres-XL from 2012 to 2014 is copyrighted by
TransLattice Inc. Whereas work done from April 2015 onwards is copyrighted by
2ndQuandrant Limited. This work includes, but not limited to, merge with major
PostgreSQL release such as 9.3, 9.4 and 9.5 and relevant bug fixes/enhancements. 

Note: 2ndQuadrant hopes that future versions of Postgres-XL will be released
under the PostgreSQL Licence. 2ndQuadrant will change the licence over to the
PostgreSQL Licence within one month of us receiving public notification that
all other copyright holders have also agreed to change to the PostgreSQL
Licence. Contributions to this code are accepted only on this understanding,
which will be presumed for any patch or pull request submitted.