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f9264d1524
PostgreSQL disabled compression as of e3bdb2d and the documentation recommends against using it since. Additionally, SSL compression has been disabled in OpenSSL since version 1.1.0, and was disabled in many distributions long before that. The most recent TLS version, TLSv1.3, disallows compression at the protocol level. This commit removes the feature itself, removing support for the libpq parameter sslcompression (parameter still listed for compatibility reasons with existing connection strings, just ignored), and removes the equivalent field in pg_stat_ssl and de facto PgBackendSSLStatus. Note that, on top of removing the ability to activate compression by configuration, compression is actively disabled in both frontend and backend to avoid overrides from local configurations. A TAP test is added for deprecated SSL parameters to check after backwards compatibility. Bump catalog version. Author: Daniel Gustafsson Reviewed-by: Peter Eisentraut, Magnus Hagander, Michael Paquier Discussion: https://postgr.es/m/7E384D48-11C5-441B-9EC3-F7DB1F8518F6@yesql.se
The PostgreSQL contrib tree
---------------------------
This subtree contains porting tools, analysis utilities, and plug-in
features that are not part of the core PostgreSQL system, mainly
because they address a limited audience or are too experimental to be
part of the main source tree. This does not preclude their
usefulness.
User documentation for each module appears in the main SGML
documentation.
When building from the source distribution, these modules are not
built automatically, unless you build the "world" target. You can
also build and install them all by running "make all" and "make
install" in this directory; or to build and install just one selected
module, do the same in that module's subdirectory.
Some directories supply new user-defined functions, operators, or
types. To make use of one of these modules, after you have installed
the code you need to register the new SQL objects in the database
system by executing a CREATE EXTENSION command. In a fresh database,
you can simply do
CREATE EXTENSION module_name;
See the PostgreSQL documentation for more information about this
procedure.