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pg_stat_statements: Track I/O timing for temporary file blocks

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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
This commit is contained in:
Michael Paquier
2022-04-08 13:12:07 +09:00
parent a6baa4badd
commit 76cbf7edb6
7 changed files with 237 additions and 9 deletions
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12
contrib/pg_stat_statements/sql/oldextversions.sql
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@ -36,4 +36,16 @@ AlTER EXTENSION pg_stat_statements UPDATE TO '1.8';
\d pg_stat_statements
SELECT pg_get_functiondef('pg_stat_statements_reset'::regproc);
-- New function pg_stat_statement_info, and new function
-- and view for pg_stat_statements introduced in 1.9
AlTER EXTENSION pg_stat_statements UPDATE TO '1.9';
SELECT pg_get_functiondef('pg_stat_statements_info'::regproc);
\d pg_stat_statements
SELECT count(*) > 0 AS has_data FROM pg_stat_statements;
-- New functions and views for pg_stat_statements in 1.10
AlTER EXTENSION pg_stat_statements UPDATE TO '1.10';
\d pg_stat_statements
SELECT count(*) > 0 AS has_data FROM pg_stat_statements;
DROP EXTENSION pg_stat_statements;