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89b81f0d8b
Normally, we suppress sending a tabstats message to the collector unless there were some actual table stats to send. However, during backend exit we should force out the message if there are any transaction commit/abort counts to send, else the session's last few commit/abort counts will never get reported at all. We had logic for this, but the short-circuit test at the top of pgstat_report_stat() ignored the "force" flag, with the consequence that session-ending transactions that touched no database-local tables would not get counted. Seems to be an oversight in my commit 641912b4d17fd214a5e5bae4e7bb9ddbc28b144b, which added the "force" flag. That was back in 8.3, so back-patch to all supported versions.
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: http://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. Changes between all PostgreSQL releases are recorded in the file HISTORY. 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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.