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Generate pg_stat_get_xact*() functions for relations using macros
author Michael Paquier <michael@paquier.xyz>
2023年3月27日 00:57:41 +0000 (09:57 +0900)
committer Michael Paquier <michael@paquier.xyz>
2023年3月27日 00:57:41 +0000 (09:57 +0900)
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

src/backend/utils/adt/pgstatfuncs.c patch | blob | blame | history

diff --git a/src/backend/utils/adt/pgstatfuncs.c b/src/backend/utils/adt/pgstatfuncs.c
index c7ba86b3dcc1145bc78eca70858d1368d719da48..e1dd1e0ad35243b20da956c26a533514265308e1 100644 (file)
--- a/src/backend/utils/adt/pgstatfuncs.c
+++ b/src/backend/utils/adt/pgstatfuncs.c
@@ -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)
{
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