Generate pg_stat_get*() functions for databases using macros
The same code pattern is repeated 21 times for int64 counters (0 for
missing entry) and 5 times for doubles (0 for missing entry) on database
entries. This code is switched to use macros for the basic code
instead, shaving a few hundred lines of originally-duplicated code
patterns. The function names remain the same, but some fields of
PgStat_StatDBEntry have to be renamed to cope with the new style.
This is in the same spirit as 83a1a1b.
Author: Michael Paquier
Reviewed-by: Nathan Bossart, Bertrand Drouvot
Discussion: https://postgr.es/m/Y46stlxQ2LQE20Na@paquier.xyz
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/8018ffbf5895ee16a1fd7117c4526b47ac42332e
Modified Files
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src/backend/utils/activity/pgstat_database.c | 94 +++---
src/backend/utils/activity/pgstat_relation.c | 14 +-
src/backend/utils/adt/pgstatfuncs.c | 454 ++++++---------------------
src/include/pgstat.h | 54 ++--
4 files changed, 169 insertions(+), 447 deletions(-)