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pg_stat_statements: Track I/O timing for temporary file blocks
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
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@ -6,7 +6,8 @@ OBJS = \
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pg_stat_statements.o
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EXTENSION = pg_stat_statements
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DATA = pg_stat_statements--1.4.sql pg_stat_statements--1.8--1.9.sql \
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DATA = pg_stat_statements--1.4.sql \
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pg_stat_statements--1.9--1.10.sql pg_stat_statements--1.8--1.9.sql \
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pg_stat_statements--1.7--1.8.sql pg_stat_statements--1.6--1.7.sql \
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pg_stat_statements--1.5--1.6.sql pg_stat_statements--1.4--1.5.sql \
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pg_stat_statements--1.3--1.4.sql pg_stat_statements--1.2--1.3.sql \
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