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Andrew Dunstan 3b174b1a35 Fix missing values when doing ALTER TABLE ALTER COLUMN TYPE 
This was an oversight in commit 16828d5c. If the table is going to be
rewritten, we simply clear all the missing values from all the table's
attributes, since there will no longer be any rows with the attributes
missing. Otherwise, we repackage the missing value in an array
constructed with the new type specifications.

Backpatch to release 11.

This fixes bug #15446, reported by Dmitry Molotkov

Reviewed by Dean Rasheed
 		2019-01-10 15:53:45 -05:00
config Update config/ax_pthread.m4 to latest upstream version. 2018-11-19 15:05:33 -05:00
contrib Update unaccent rules with release 34 of CLDR for Latin-ASCII.xml 2019-01-10 14:10:21 +09:00
doc pgbench: add \cset and \gset commands 2019-01-10 13:42:20 -03:00
src Fix missing values when doing ALTER TABLE ALTER COLUMN TYPE 2019-01-10 15:53:45 -05:00
.dir-locals.el Update documentation editor setup instructions 2018-07-13 21:23:41 +02:00
.gitattributes Remove contrib/tsearch2. 2017-02-13 11:06:11 -05:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
COPYRIGHT Update copyright for 2019 2019-01-02 12:44:25 -05:00
GNUmakefile.in Process EXTRA_INSTALL serially, during the first temp-install. 2018-12-31 13:54:38 -08:00
HISTORY Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
Makefile Fix non-GNU makefiles for AIX make. 2017-11-30 00:57:22 -08:00
README Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
README.git Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
aclocal.m4 Fix configure's AC_CHECK_DECLS tests to work correctly with clang. 2018-11-19 12:01:47 -05:00
configure Update copyright for 2019 2019-01-02 12:44:25 -05:00
configure.in Update copyright for 2019 2019-01-02 12:44:25 -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:

	https://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
https://www.postgresql.org/download/.  For more information look at our
web site located at https://www.postgresql.org/.