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Alvaro Herrera 19455c9f56 pg_dump: Fix ArchiveEntry handling of some empty values 
Commit f831d4acc changed what pg_dump emits for some empty fields: they
were output as empty strings before, NULL pointer afterwards.  That
makes old pg_restore unable to work (crash) with such files, which is
unacceptable.  Return to the original representation by explicitly
setting those struct members to "" where needed; remove some no longer
needed checks for NULL input.

We can declutter the code a little by returning to NULLs when we next
update the archive version, so add a note to remind us later.

Discussion: https://postgr.es/m/20190225074539.az6j3u464cvsoxh6@depesz.com
Reported-by: hubert depesz lubaczewski
Author: Dmitry Dolgov
2019-02-28 17:19:44 -03:00
config Make use of compiler builtins and/or assembly for CLZ, CTZ, POPCNT. 2019-02-15 23:22:33 -05:00
contrib Remove unused macro 2019-02-28 00:28:50 +01:00
doc Improve documentation of data_sync_retry 2019-02-28 11:02:11 +09:00
src pg_dump: Fix ArchiveEntry handling of some empty values 2019-02-28 17:19:44 -03:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.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
aclocal.m4 Fix configure's AC_CHECK_DECLS tests to work correctly with clang. 2018-11-19 12:01:47 -05:00
configure Fix PERMIT_DECLARATION_AFTER_STATEMENT initialization. 2019-02-16 13:12:28 -08:00
configure.in Fix PERMIT_DECLARATION_AFTER_STATEMENT initialization. 2019-02-16 13:12:28 -08:00
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

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/.