diff options
Diffstat (limited to 'src/backend/utils/adt/pgstatfuncs.c')
-rw-r--r-- | src/backend/utils/adt/pgstatfuncs.c | 371 |
1 files changed, 0 insertions, 371 deletions
diff --git a/src/backend/utils/adt/pgstatfuncs.c b/src/backend/utils/adt/pgstatfuncs.c deleted file mode 100644 index b5f3744d510..00000000000 --- a/src/backend/utils/adt/pgstatfuncs.c +++ /dev/null @@ -1,371 +0,0 @@ -#include "postgres.h" - -#include "fmgr.h" -#include "miscadmin.h" -#include "utils/hsearch.h" -#include "access/xact.h" -#include "catalog/pg_shadow.h" -#include "nodes/execnodes.h" - -#include "pgstat.h" - -extern Datum pg_stat_get_numscans(PG_FUNCTION_ARGS); -extern Datum pg_stat_get_tuples_returned(PG_FUNCTION_ARGS); -extern Datum pg_stat_get_tuples_fetched(PG_FUNCTION_ARGS); -extern Datum pg_stat_get_tuples_inserted(PG_FUNCTION_ARGS); -extern Datum pg_stat_get_tuples_updated(PG_FUNCTION_ARGS); -extern Datum pg_stat_get_tuples_deleted(PG_FUNCTION_ARGS); -extern Datum pg_stat_get_blocks_fetched(PG_FUNCTION_ARGS); -extern Datum pg_stat_get_blocks_hit(PG_FUNCTION_ARGS); - -extern Datum pg_stat_get_backend_idset(PG_FUNCTION_ARGS); -extern Datum pg_stat_get_backend_pid(PG_FUNCTION_ARGS); -extern Datum pg_stat_get_backend_dbid(PG_FUNCTION_ARGS); -extern Datum pg_stat_get_backend_userid(PG_FUNCTION_ARGS); -extern Datum pg_stat_get_backend_activity(PG_FUNCTION_ARGS); - -extern Datum pg_stat_get_db_numbackends(PG_FUNCTION_ARGS); -extern Datum pg_stat_get_db_xact_commit(PG_FUNCTION_ARGS); -extern Datum pg_stat_get_db_xact_rollback(PG_FUNCTION_ARGS); -extern Datum pg_stat_get_db_blocks_fetched(PG_FUNCTION_ARGS); -extern Datum pg_stat_get_db_blocks_hit(PG_FUNCTION_ARGS); - - -Datum -pg_stat_get_numscans(PG_FUNCTION_ARGS) -{ - PgStat_StatTabEntry *tabentry; - Oid relid; - int64 result; - - relid = PG_GETARG_OID(0); - - if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL) - result = 0; - else - result = (int64) (tabentry->numscans); - - PG_RETURN_INT64(result); -} - - -Datum -pg_stat_get_tuples_returned(PG_FUNCTION_ARGS) -{ - PgStat_StatTabEntry *tabentry; - Oid relid; - int64 result; - - relid = PG_GETARG_OID(0); - - if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL) - result = 0; - else - result = (int64) (tabentry->tuples_returned); - - PG_RETURN_INT64(result); -} - - -Datum -pg_stat_get_tuples_fetched(PG_FUNCTION_ARGS) -{ - PgStat_StatTabEntry *tabentry; - Oid relid; - int64 result; - - relid = PG_GETARG_OID(0); - - if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL) - result = 0; - else - result = (int64) (tabentry->tuples_fetched); - - PG_RETURN_INT64(result); -} - - -Datum -pg_stat_get_tuples_inserted(PG_FUNCTION_ARGS) -{ - PgStat_StatTabEntry *tabentry; - Oid relid; - int64 result; - - relid = PG_GETARG_OID(0); - - if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL) - result = 0; - else - result = (int64) (tabentry->tuples_inserted); - - PG_RETURN_INT64(result); -} - - -Datum -pg_stat_get_tuples_updated(PG_FUNCTION_ARGS) -{ - PgStat_StatTabEntry *tabentry; - Oid relid; - int64 result; - - relid = PG_GETARG_OID(0); - - if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL) - result = 0; - else - result = (int64) (tabentry->tuples_updated); - - PG_RETURN_INT64(result); -} - - -Datum -pg_stat_get_tuples_deleted(PG_FUNCTION_ARGS) -{ - PgStat_StatTabEntry *tabentry; - Oid relid; - int64 result; - - relid = PG_GETARG_OID(0); - - if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL) - result = 0; - else - result = (int64) (tabentry->tuples_deleted); - - PG_RETURN_INT64(result); -} - - -Datum -pg_stat_get_blocks_fetched(PG_FUNCTION_ARGS) -{ - PgStat_StatTabEntry *tabentry; - Oid relid; - int64 result; - - relid = PG_GETARG_OID(0); - - if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL) - result = 0; - else - result = (int64) (tabentry->blocks_fetched); - - PG_RETURN_INT64(result); -} - - -Datum -pg_stat_get_blocks_hit(PG_FUNCTION_ARGS) -{ - PgStat_StatTabEntry *tabentry; - Oid relid; - int64 result; - - relid = PG_GETARG_OID(0); - - if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL) - result = 0; - else - result = (int64) (tabentry->blocks_hit); - - PG_RETURN_INT64(result); -} - - -Datum -pg_stat_get_backend_idset(PG_FUNCTION_ARGS) -{ - FmgrInfo *fmgr_info = fcinfo->flinfo; - int32 result; - - if (fcinfo->resultinfo == NULL || - !IsA(fcinfo->resultinfo, ReturnSetInfo)) - elog(ERROR, "pg_stat_get_backend_idset: called in context that does not accept a set result"); - - if (fmgr_info->fn_extra == NULL) - { - if (fmgr_info->fn_mcxt == NULL) - elog(ERROR, "No function memory context in set-function"); - fmgr_info->fn_extra = MemoryContextAlloc(fmgr_info->fn_mcxt, - 2 * sizeof(int)); - ((int *) (fmgr_info->fn_extra))[0] = 0; - ((int *) (fmgr_info->fn_extra))[1] = pgstat_fetch_stat_numbackends(); - } - - ((int *) (fmgr_info->fn_extra))[0] += 1; - result = ((int *) (fmgr_info->fn_extra))[0]; - - if (result > ((int *) (fmgr_info->fn_extra))[1]) - { - pfree(fmgr_info->fn_extra); - fmgr_info->fn_extra = NULL; - ((ReturnSetInfo *) (fcinfo->resultinfo))->isDone = ExprEndResult; - PG_RETURN_NULL(); - } - - ((ReturnSetInfo *) (fcinfo->resultinfo))->isDone = ExprMultipleResult; - PG_RETURN_INT32(result); -} - - -Datum -pg_stat_get_backend_pid(PG_FUNCTION_ARGS) -{ - PgStat_StatBeEntry *beentry; - int32 beid; - - beid = PG_GETARG_INT32(0); - - if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL) - PG_RETURN_NULL(); - - PG_RETURN_INT32(beentry->procpid); -} - - -Datum -pg_stat_get_backend_dbid(PG_FUNCTION_ARGS) -{ - PgStat_StatBeEntry *beentry; - int32 beid; - - beid = PG_GETARG_INT32(0); - - if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL) - PG_RETURN_NULL(); - - PG_RETURN_OID(beentry->databaseid); -} - - -Datum -pg_stat_get_backend_userid(PG_FUNCTION_ARGS) -{ - PgStat_StatBeEntry *beentry; - int32 beid; - - beid = PG_GETARG_INT32(0); - - if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL) - PG_RETURN_NULL(); - - PG_RETURN_OID(beentry->userid); -} - - -Datum -pg_stat_get_backend_activity(PG_FUNCTION_ARGS) -{ - PgStat_StatBeEntry *beentry; - int32 beid; - int len; - text *result; - - if (!superuser()) - PG_RETURN_NULL(); - - beid = PG_GETARG_INT32(0); - - if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL) - PG_RETURN_NULL(); - - len = strlen(beentry->activity); - result = palloc(VARHDRSZ + len); - VARATT_SIZEP(result) = VARHDRSZ + len; - memcpy(VARDATA(result), beentry->activity, len); - - PG_RETURN_TEXT_P(result); -} - - -Datum -pg_stat_get_db_numbackends(PG_FUNCTION_ARGS) -{ - PgStat_StatDBEntry *dbentry; - Oid dbid; - int32 result; - - dbid = PG_GETARG_OID(0); - - if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL) - result = 0; - else - result = (int32) (dbentry->n_backends); - - PG_RETURN_INT32(result); -} - - -Datum -pg_stat_get_db_xact_commit(PG_FUNCTION_ARGS) -{ - PgStat_StatDBEntry *dbentry; - Oid dbid; - int64 result; - - dbid = PG_GETARG_OID(0); - - if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL) - result = 0; - else - result = (int64) (dbentry->n_xact_commit); - - PG_RETURN_INT64(result); -} - - -Datum -pg_stat_get_db_xact_rollback(PG_FUNCTION_ARGS) -{ - PgStat_StatDBEntry *dbentry; - Oid dbid; - int64 result; - - dbid = PG_GETARG_OID(0); - - if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL) - result = 0; - else - result = (int64) (dbentry->n_xact_rollback); - - PG_RETURN_INT64(result); -} - - -Datum -pg_stat_get_db_blocks_fetched(PG_FUNCTION_ARGS) -{ - PgStat_StatDBEntry *dbentry; - Oid dbid; - int64 result; - - dbid = PG_GETARG_OID(0); - - if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL) - result = 0; - else - result = (int64) (dbentry->n_blocks_fetched); - - PG_RETURN_INT64(result); -} - - -Datum -pg_stat_get_db_blocks_hit(PG_FUNCTION_ARGS) -{ - PgStat_StatDBEntry *dbentry; - Oid dbid; - int64 result; - - dbid = PG_GETARG_OID(0); - - if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL) - result = 0; - else - result = (int64) (dbentry->n_blocks_hit); - - PG_RETURN_INT64(result); -} |