76cbf7edb6
This commit adds two new columns to pg_stat_statements, called temp_blk_read_time and temp_blk_write_time. Those columns respectively show the time spent to read and write temporary file blocks on disk, whose tracking has been added in efb0ef9. This information is available when track_io_timing is enabled, like blk_read_time and blk_write_time. pg_stat_statements is updated to version to 1.10 as an effect of the newly-added columns. Tests for the upgrade path 1.9->1.10 are added. PGSS_FILE_HEADER is bumped for the new stats file format. Author: Masahiko Sawada Reviewed-by: Georgios Kokolatos, Melanie Plageman, Julien Rouhaud, Ranier Vilela Discussion: https://postgr.es/m/CAD21AoAJgotTeP83p6HiAGDhs_9Fw9pZ2J=_tYTsiO5Ob-V5GQ@mail.gmail.com
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/.