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pgstat.c is very long, and it's hard to find an order that makes sense and is likely to be maintained over time. Splitting the different pieces into separate files makes that a lot easier. With a few exceptions, this commit just moves code around. Those exceptions are: - adding file headers for new files - removing 'static' from functions - adapting pgstat_assert_is_up() to work across TUs - minor comment adjustments git diff --color-moved=dimmed-zebra is very helpful separating code movement from code changes. The next commit in this series will reorder pgstat.[ch] contents to be a bit more coherent. Earlier revisions of this patch had "global" statistics (archiver, bgwriter, checkpointer, replication slots, SLRU, WAL) in one file, because each seemed small enough. However later commits will increase their size and their aggregate size is not insubstantial. It also just seems easier to split each type of statistic into its own file. Author: Andres Freund <andres@anarazel.de> Discussion: https://postgr.es/m/20220303021600.hs34ghqcw6zcokdh@alap3.anarazel.de
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/.