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Stephen Frost c37b3d08ca Allow group access on PGDATA ... Allow the cluster to be optionally init'd with read access for the group. This means a relatively non-privileged user can perform a backup of the cluster without requiring write privileges, which enhances security. The mode of PGDATA is used to determine whether group permissions are enabled for directory and file creates. This method was chosen as it's simple and works well for the various utilities that write into PGDATA. Changing the mode of PGDATA manually will not automatically change the mode of all the files contained therein. If the user would like to enable group access on an existing cluster then changing the mode of all the existing files will be required. Note that pg_upgrade will automatically change the mode of all migrated files if the new cluster is init'd with the -g option. Tests are included for the backend and all the utilities which operate on the PG data directory to ensure that the correct mode is set based on the data directory permissions. Author: David Steele <david@pgmasters.net> Reviewed-By: Michael Paquier, with discussion amongst many others. Discussion: https://postgr.es/m/ad346fe6-b23e-59f1-ecb7-0e08390ad629%40pgmasters.net		8 years ago
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backend	Allow group access on PGDATA	8 years ago
bin	Allow group access on PGDATA	8 years ago
common	Allow group access on PGDATA	8 years ago
fe_utils	Add \if support to pgbench	8 years ago
include	Allow group access on PGDATA	8 years ago
interfaces	Prevent accidental linking of system-supplied copies of libpq.so etc.	8 years ago
makefiles	Prevent accidental linking of system-supplied copies of libpq.so etc.	8 years ago
pl	PL/pgSQL: Add support for SET TRANSACTION	8 years ago
port	Fix the new ARMv8 CRC code for short and unaligned input.	8 years ago
template	Force "restrict" not to be used when compiling with xlc.	8 years ago
test	Allow group access on PGDATA	8 years ago
timezone	Update time zone data files to tzdata release 2018c.	8 years ago
tools	Refactor dir/file permissions	8 years ago
tutorial	Update copyright for 2018	8 years ago
.gitignore	…
DEVELOPERS	…
Makefile	Basic JIT provider and error handling infrastructure.	8 years ago
Makefile.global.in	Use ARMv8 CRC instructions where available.	8 years ago
Makefile.shlib	Prevent accidental linking of system-supplied copies of libpq.so etc.	8 years ago
nls-global.mk	nls-global.mk: search build dir for source files, too	9 years ago