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Generate pg_stat_get_xact*() functions for relations using macros 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

126
src/backend/utils/adt/pgstatfuncs.c
View File

@ -1498,50 +1498,42 @@ pg_stat_get_slru(PG_FUNCTION_ARGS)
return (Datum) 0;
}
Datum
pg_stat_get_xact_numscans(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.numscans);
PG_RETURN_INT64(result);
#define PG_STAT_GET_XACT_RELENTRY_INT64(stat) \
Datum \
CppConcat(pg_stat_get_xact_,stat)(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.stat); \
\
PG_RETURN_INT64(result); \
}
Datum
pg_stat_get_xact_tuples_returned(PG_FUNCTION_ARGS)
{
Oid relid = PG_GETARG_OID(0);
int64 result;
PgStat_TableStatus *tabentry;
/* pg_stat_get_xact_numscans */
PG_STAT_GET_XACT_RELENTRY_INT64(numscans)
if ((tabentry = find_tabstat_entry(relid)) == NULL)
result = 0;
else
result = (int64) (tabentry->counts.tuples_returned);
/* pg_stat_get_xact_tuples_returned */
PG_STAT_GET_XACT_RELENTRY_INT64(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_fetched(PG_FUNCTION_ARGS)
{
Oid relid = PG_GETARG_OID(0);
int64 result;
PgStat_TableStatus *tabentry;
/* pg_stat_get_xact_tuples_hot_updated */
PG_STAT_GET_XACT_RELENTRY_INT64(tuples_hot_updated)
if ((tabentry = find_tabstat_entry(relid)) == NULL)
result = 0;
else
result = (int64) (tabentry->counts.tuples_fetched);
/* pg_stat_get_xact_tuples_newpage_updated */
PG_STAT_GET_XACT_RELENTRY_INT64(tuples_newpage_updated)
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
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);
}
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
pg_stat_get_xact_function_calls(PG_FUNCTION_ARGS)
{