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Michael Paquier 7d7435c5c5 Make current_logfiles use permissions assigned to files in data directory 
Since its introduction in 19dc233c, current_logfiles has been assigned
the same permissions as a log file, which can be enforced with
log_file_mode.  This setup can lead to incompatibility problems with
group access permissions as current_logfiles is not located in the log
directory, but at the root of the data folder.  Hence, if group
permissions are used but log_file_mode is more restrictive, a backup
with a user in the group having read access could fail even if the log
directory is located outside of the data folder.

Per discussion with the folks mentioned below, we have concluded that
current_logfiles should not be treated as a log file as it only stores
metadata related to log files, and that it should use the same
permissions as all other files in the data directory.  This solution has
the merit to be simple and fixes all the interaction problems between
group access and log_file_mode.

Author: Haribabu Kommi
Reviewed-by: Stephen Frost, Robert Haas, Tom Lane, Michael Paquier
Discussion: https://postgr.es/m/CAJrrPGcEotF1P7AWoeQyD3Pqr-0xkQg_Herv98DjbaMj+naozw@mail.gmail.com
Backpatch-through: 11, where group access has been added.
2019-03-24 21:01:10 +09:00
config configure: Update python search order 2019-01-13 10:24:21 +01:00
contrib Don't auto-restart per-database autoprewarm workers. 2019-03-18 15:30:32 -04:00
doc Accept XML documents when xmloption = content, as required by SQL:2006+. 2019-03-23 16:24:30 -04:00
src Make current_logfiles use permissions assigned to files in data directory 2019-03-24 21:01:10 +09:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:36 -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 Stamp 11.2. 2019-02-11 16:17:27 -05:00
configure.in Stamp 11.2. 2019-02-11 16:17:27 -05:00
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 13:55:01 -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/.