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Peter Geoghegan effdd3f3b6 Add back vacuum_cleanup_index_scale_factor parameter. 
Commit 9f3665fb removed the vacuum_cleanup_index_scale_factor storage
parameter.  However, that creates dump/reload hazards when moving across
major versions.

Add back the vacuum_cleanup_index_scale_factor parameter (though not the
GUC of the same name) purely to avoid problems when using tools like
pg_upgrade.  The parameter remains disabled and undocumented.

No backpatch to Postgres 13, since vacuum_cleanup_index_scale_factor was
only disabled by REL_13_STABLE's version of master branch commit
9f3665fb in the first place -- the parameter already looks like this on
REL_13_STABLE.

Discussion: https://postgr.es/m/YEm/a3Ko3nKnBuVq@paquier.xyz
2021-03-11 12:42:46 -08:00
config Update copyright for 2021 2021-01-02 13:06:25 -05:00
contrib Revert changes for SSL compression in libpq 2021-03-10 09:35:42 +09:00
doc Be clear about whether a recovery pause has taken effect. 2021-03-11 15:07:03 -05:00
src Add back vacuum_cleanup_index_scale_factor parameter. 2021-03-11 12:42:46 -08:00
.dir-locals.el
.editorconfig
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aclocal.m4 Remove configure-time probe for DocBook DTD. 2020-11-30 15:24:13 -05:00
configure Add missing pthread_barrier_t. 2021-03-10 17:44:04 +13:00
configure.ac Add missing pthread_barrier_t. 2021-03-10 17:44:04 +13:00
COPYRIGHT Update copyright for 2021 2021-01-02 13:06:25 -05:00
GNUmakefile.in Make install-tests target work with vpath builds 2020-05-31 18:33:00 -04:00
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README.git

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/.