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5c1b662807
This commit reworks a bit the set-returning functions of pg_walinspect, making them more flexible regarding their end LSN: - pg_get_wal_records_info() - pg_get_wal_stats() - pg_get_wal_block_info() The end LSNs given to these functions is now handled so as a value higher than the current LSN of the cluster (insert LSN for a primary, or replay LSN for a standby) does not raise an error, giving more flexibility to monitoring queries. Instead, the functions return results up to the current LSN, as found at the beginning of each function call. As an effect of that, pg_get_wal_records_info_till_end_of_wal() and pg_get_wal_stats_till_end_of_wal() are now removed from 1.1, as the existing, equivalent functions are able to offer the same possibilities. Author: Bharath Rupireddy Discussion: https://postgr.es/m/CALj2ACU0_q-o4DSweyaW9NO1KBx-QkN6G_OzYQvpjf3CZVASkg@mail.gmail.com
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.