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d09cfa3e28
We realized years ago that it's better for libpq to accept all connection parameters syntactically, even if some are ignored or restricted due to lack of the feature in a particular build. However, that lesson from the SSL support was for some reason never applied to the GSSAPI support. This is causing various buildfarm members to have problems with a test case added by commit 6136e94dc, and it's just a bad idea from a user-experience standpoint anyway, so fix it. While at it, fix some places where parameter-related infrastructure was added with the aid of a dartboard, or perhaps with the aid of the anti-pattern "add new stuff at the end". It should be safe to rearrange the contents of struct pg_conn even in released branches, since that's private to libpq (and we'd have to move some fields in some builds to fix this, anyway). Back-patch to all supported branches. Discussion: https://postgr.es/m/11297.1576868677@sss.pgh.pa.us
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.