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A new test file is added to track how the various SQL/JSON query patterns fare in PGSS, as allowed by the parser: - Query functions - JSON_TABLE - Constructors and predicates. - etc. This will be handy for the evaluation of some follow-up patches that aim to tweak the query jumbling for a portion of some of these SQL/JSON queries. Some of them are currently slightly broken, tracking as parameters what should be a keyword, and we never knew about them. Until now. The author has written most of the patch. I have noticed a couple of gaps and some inconsistencies upon further review, leading to a result more consistent with the usual approach used by the PGSS tests. Author: Ilya Staroverov <i.staroverov@ftdata.ru> Reviewed-by: Michael Paquier <michael@paquier.xyz> Discussion: https://postgr.es/m/457969A9-5D24-422F-B09E-F388053DE028@localhost.localdomain
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.