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Generate pg_stat_get_xact*() functions for relations using macros

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This change replaces seven functions definitions by macros.

This is the same idea as 8018ffb or 83a1a1b, taking advantage of the
variable rename done in 8089517 for relation entries.

Author: Bertrand Drouvot
Discussion: https://postgr.es/m/631e3084-c5d9-8463-7540-fcff4674caa5@gmail.com
This commit is contained in:
Michael Paquier
2023-03-27 09:57:41 +09:00
parent 6eefe2ce46
commit 850f4b4c8c
1 changed files with 29 additions and 97 deletions
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126
src/backend/utils/adt/pgstatfuncs.c
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@ -1498,50 +1498,42 @@ pg_stat_get_slru(PG_FUNCTION_ARGS)
return (Datum) 0; return (Datum) 0;
} }
Datum #define PG_STAT_GET_XACT_RELENTRY_INT64(stat) \
pg_stat_get_xact_numscans(PG_FUNCTION_ARGS) Datum \
{ CppConcat(pg_stat_get_xact_,stat)(PG_FUNCTION_ARGS) \
Oid relid = PG_GETARG_OID(0); { \
int64 result; Oid relid = PG_GETARG_OID(0); \
PgStat_TableStatus *tabentry; int64 result; \
PgStat_TableStatus *tabentry; \
if ((tabentry = find_tabstat_entry(relid)) == NULL) \
result = 0; if ((tabentry = find_tabstat_entry(relid)) == NULL) \
else result = 0; \
result = (int64) (tabentry->counts.numscans); else \
result = (int64) (tabentry->counts.stat); \
PG_RETURN_INT64(result); \
PG_RETURN_INT64(result); \
} }
Datum /* pg_stat_get_xact_numscans */
pg_stat_get_xact_tuples_returned(PG_FUNCTION_ARGS) PG_STAT_GET_XACT_RELENTRY_INT64(numscans)
{
Oid relid = PG_GETARG_OID(0);
int64 result;
PgStat_TableStatus *tabentry;
if ((tabentry = find_tabstat_entry(relid)) == NULL) /* pg_stat_get_xact_tuples_returned */
result = 0; PG_STAT_GET_XACT_RELENTRY_INT64(tuples_returned)
else
result = (int64) (tabentry->counts.tuples_returned);
PG_RETURN_INT64(result); /* pg_stat_get_xact_tuples_fetched */
} PG_STAT_GET_XACT_RELENTRY_INT64(tuples_fetched)
Datum /* pg_stat_get_xact_tuples_hot_updated */
pg_stat_get_xact_tuples_fetched(PG_FUNCTION_ARGS) PG_STAT_GET_XACT_RELENTRY_INT64(tuples_hot_updated)
{
Oid relid = PG_GETARG_OID(0);
int64 result;
PgStat_TableStatus *tabentry;
if ((tabentry = find_tabstat_entry(relid)) == NULL) /* pg_stat_get_xact_tuples_newpage_updated */
result = 0; PG_STAT_GET_XACT_RELENTRY_INT64(tuples_newpage_updated)
else
result = (int64) (tabentry->counts.tuples_fetched);
PG_RETURN_INT64(result); /* pg_stat_get_xact_blocks_fetched */
} PG_STAT_GET_XACT_RELENTRY_INT64(blocks_fetched)
/* pg_stat_get_xact_blocks_hit */
PG_STAT_GET_XACT_RELENTRY_INT64(blocks_hit)
Datum Datum
pg_stat_get_xact_tuples_inserted(PG_FUNCTION_ARGS) pg_stat_get_xact_tuples_inserted(PG_FUNCTION_ARGS)
@ -1606,66 +1598,6 @@ pg_stat_get_xact_tuples_deleted(PG_FUNCTION_ARGS)
PG_RETURN_INT64(result); PG_RETURN_INT64(result);
} }
Datum
pg_stat_get_xact_tuples_hot_updated(PG_FUNCTION_ARGS)
{
Oid relid = PG_GETARG_OID(0);
int64 result;
PgStat_TableStatus *tabentry;
if ((tabentry = find_tabstat_entry(relid)) == NULL)
result = 0;
else
result = (int64) (tabentry->counts.tuples_hot_updated);
PG_RETURN_INT64(result);
}
Datum
pg_stat_get_xact_tuples_newpage_updated(PG_FUNCTION_ARGS)
{
Oid relid = PG_GETARG_OID(0);
int64 result;
PgStat_TableStatus *tabentry;
if ((tabentry = find_tabstat_entry(relid)) == NULL)
result = 0;
else
result = (int64) (tabentry->counts.tuples_newpage_updated);
PG_RETURN_INT64(result);
}
Datum
pg_stat_get_xact_blocks_fetched(PG_FUNCTION_ARGS)
{
Oid relid = PG_GETARG_OID(0);
int64 result;
PgStat_TableStatus *tabentry;
if ((tabentry = find_tabstat_entry(relid)) == NULL)
result = 0;
else
result = (int64) (tabentry->counts.blocks_fetched);
PG_RETURN_INT64(result);
}
Datum
pg_stat_get_xact_blocks_hit(PG_FUNCTION_ARGS)
{
Oid relid = PG_GETARG_OID(0);
int64 result;
PgStat_TableStatus *tabentry;
if ((tabentry = find_tabstat_entry(relid)) == NULL)
result = 0;
else
result = (int64) (tabentry->counts.blocks_hit);
PG_RETURN_INT64(result);
}
Datum Datum
pg_stat_get_xact_function_calls(PG_FUNCTION_ARGS) pg_stat_get_xact_function_calls(PG_FUNCTION_ARGS)
{ {