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pgstatfuncs.c
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1 /*-------------------------------------------------------------------------
2  *
3  * pgstatfuncs.c
4  * Functions for accessing the statistics collector data
5  *
6  * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
7  * Portions Copyright (c) 1994, Regents of the University of California
8  *
9  *
10  * IDENTIFICATION
11  * src/backend/utils/adt/pgstatfuncs.c
12  *
13  *-------------------------------------------------------------------------
14  */
15 #include "postgres.h"
16 
17 #include "access/htup_details.h"
18 #include "access/xlog.h"
19 #include "catalog/pg_authid.h"
20 #include "catalog/pg_type.h"
21 #include "common/ip.h"
22 #include "funcapi.h"
23 #include "miscadmin.h"
24 #include "pgstat.h"
26 #include "postmaster/postmaster.h"
27 #include "storage/proc.h"
28 #include "storage/procarray.h"
29 #include "utils/acl.h"
30 #include "utils/builtins.h"
31 #include "utils/inet.h"
32 #include "utils/timestamp.h"
33 
34 #define UINT32_ACCESS_ONCE(var) ((uint32)(*((volatile uint32 *)&(var))))
35 
36 /* Global bgwriter statistics, from bgwriter.c */
38 
39 Datum
41 {
42  Oid relid = PG_GETARG_OID(0);
43  int64 result;
44  PgStat_StatTabEntry *tabentry;
45 
46  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
47  result = 0;
48  else
49  result = (int64) (tabentry->numscans);
50 
51  PG_RETURN_INT64(result);
52 }
53 
54 
55 Datum
57 {
58  Oid relid = PG_GETARG_OID(0);
59  int64 result;
60  PgStat_StatTabEntry *tabentry;
61 
62  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
63  result = 0;
64  else
65  result = (int64) (tabentry->tuples_returned);
66 
67  PG_RETURN_INT64(result);
68 }
69 
70 
71 Datum
73 {
74  Oid relid = PG_GETARG_OID(0);
75  int64 result;
76  PgStat_StatTabEntry *tabentry;
77 
78  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
79  result = 0;
80  else
81  result = (int64) (tabentry->tuples_fetched);
82 
83  PG_RETURN_INT64(result);
84 }
85 
86 
87 Datum
89 {
90  Oid relid = PG_GETARG_OID(0);
91  int64 result;
92  PgStat_StatTabEntry *tabentry;
93 
94  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
95  result = 0;
96  else
97  result = (int64) (tabentry->tuples_inserted);
98 
99  PG_RETURN_INT64(result);
100 }
101 
102 
103 Datum
105 {
106  Oid relid = PG_GETARG_OID(0);
107  int64 result;
108  PgStat_StatTabEntry *tabentry;
109 
110  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
111  result = 0;
112  else
113  result = (int64) (tabentry->tuples_updated);
114 
115  PG_RETURN_INT64(result);
116 }
117 
118 
119 Datum
121 {
122  Oid relid = PG_GETARG_OID(0);
123  int64 result;
124  PgStat_StatTabEntry *tabentry;
125 
126  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
127  result = 0;
128  else
129  result = (int64) (tabentry->tuples_deleted);
130 
131  PG_RETURN_INT64(result);
132 }
133 
134 
135 Datum
137 {
138  Oid relid = PG_GETARG_OID(0);
139  int64 result;
140  PgStat_StatTabEntry *tabentry;
141 
142  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
143  result = 0;
144  else
145  result = (int64) (tabentry->tuples_hot_updated);
146 
147  PG_RETURN_INT64(result);
148 }
149 
150 
151 Datum
153 {
154  Oid relid = PG_GETARG_OID(0);
155  int64 result;
156  PgStat_StatTabEntry *tabentry;
157 
158  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
159  result = 0;
160  else
161  result = (int64) (tabentry->n_live_tuples);
162 
163  PG_RETURN_INT64(result);
164 }
165 
166 
167 Datum
169 {
170  Oid relid = PG_GETARG_OID(0);
171  int64 result;
172  PgStat_StatTabEntry *tabentry;
173 
174  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
175  result = 0;
176  else
177  result = (int64) (tabentry->n_dead_tuples);
178 
179  PG_RETURN_INT64(result);
180 }
181 
182 
183 Datum
185 {
186  Oid relid = PG_GETARG_OID(0);
187  int64 result;
188  PgStat_StatTabEntry *tabentry;
189 
190  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
191  result = 0;
192  else
193  result = (int64) (tabentry->changes_since_analyze);
194 
195  PG_RETURN_INT64(result);
196 }
197 
198 
199 Datum
201 {
202  Oid relid = PG_GETARG_OID(0);
203  int64 result;
204  PgStat_StatTabEntry *tabentry;
205 
206  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
207  result = 0;
208  else
209  result = (int64) (tabentry->blocks_fetched);
210 
211  PG_RETURN_INT64(result);
212 }
213 
214 
215 Datum
217 {
218  Oid relid = PG_GETARG_OID(0);
219  int64 result;
220  PgStat_StatTabEntry *tabentry;
221 
222  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
223  result = 0;
224  else
225  result = (int64) (tabentry->blocks_hit);
226 
227  PG_RETURN_INT64(result);
228 }
229 
230 Datum
232 {
233  Oid relid = PG_GETARG_OID(0);
234  TimestampTz result;
235  PgStat_StatTabEntry *tabentry;
236 
237  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
238  result = 0;
239  else
240  result = tabentry->vacuum_timestamp;
241 
242  if (result == 0)
243  PG_RETURN_NULL();
244  else
245  PG_RETURN_TIMESTAMPTZ(result);
246 }
247 
248 Datum
250 {
251  Oid relid = PG_GETARG_OID(0);
252  TimestampTz result;
253  PgStat_StatTabEntry *tabentry;
254 
255  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
256  result = 0;
257  else
258  result = tabentry->autovac_vacuum_timestamp;
259 
260  if (result == 0)
261  PG_RETURN_NULL();
262  else
263  PG_RETURN_TIMESTAMPTZ(result);
264 }
265 
266 Datum
268 {
269  Oid relid = PG_GETARG_OID(0);
270  TimestampTz result;
271  PgStat_StatTabEntry *tabentry;
272 
273  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
274  result = 0;
275  else
276  result = tabentry->analyze_timestamp;
277 
278  if (result == 0)
279  PG_RETURN_NULL();
280  else
281  PG_RETURN_TIMESTAMPTZ(result);
282 }
283 
284 Datum
286 {
287  Oid relid = PG_GETARG_OID(0);
288  TimestampTz result;
289  PgStat_StatTabEntry *tabentry;
290 
291  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
292  result = 0;
293  else
294  result = tabentry->autovac_analyze_timestamp;
295 
296  if (result == 0)
297  PG_RETURN_NULL();
298  else
299  PG_RETURN_TIMESTAMPTZ(result);
300 }
301 
302 Datum
304 {
305  Oid relid = PG_GETARG_OID(0);
306  int64 result;
307  PgStat_StatTabEntry *tabentry;
308 
309  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
310  result = 0;
311  else
312  result = (int64) (tabentry->vacuum_count);
313 
314  PG_RETURN_INT64(result);
315 }
316 
317 Datum
319 {
320  Oid relid = PG_GETARG_OID(0);
321  int64 result;
322  PgStat_StatTabEntry *tabentry;
323 
324  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
325  result = 0;
326  else
327  result = (int64) (tabentry->autovac_vacuum_count);
328 
329  PG_RETURN_INT64(result);
330 }
331 
332 Datum
334 {
335  Oid relid = PG_GETARG_OID(0);
336  int64 result;
337  PgStat_StatTabEntry *tabentry;
338 
339  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
340  result = 0;
341  else
342  result = (int64) (tabentry->analyze_count);
343 
344  PG_RETURN_INT64(result);
345 }
346 
347 Datum
349 {
350  Oid relid = PG_GETARG_OID(0);
351  int64 result;
352  PgStat_StatTabEntry *tabentry;
353 
354  if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
355  result = 0;
356  else
357  result = (int64) (tabentry->autovac_analyze_count);
358 
359  PG_RETURN_INT64(result);
360 }
361 
362 Datum
364 {
365  Oid funcid = PG_GETARG_OID(0);
366  PgStat_StatFuncEntry *funcentry;
367 
368  if ((funcentry = pgstat_fetch_stat_funcentry(funcid)) == NULL)
369  PG_RETURN_NULL();
370  PG_RETURN_INT64(funcentry->f_numcalls);
371 }
372 
373 Datum
375 {
376  Oid funcid = PG_GETARG_OID(0);
377  PgStat_StatFuncEntry *funcentry;
378 
379  if ((funcentry = pgstat_fetch_stat_funcentry(funcid)) == NULL)
380  PG_RETURN_NULL();
381  /* convert counter from microsec to millisec for display */
382  PG_RETURN_FLOAT8(((double) funcentry->f_total_time) / 1000.0);
383 }
384 
385 Datum
387 {
388  Oid funcid = PG_GETARG_OID(0);
389  PgStat_StatFuncEntry *funcentry;
390 
391  if ((funcentry = pgstat_fetch_stat_funcentry(funcid)) == NULL)
392  PG_RETURN_NULL();
393  /* convert counter from microsec to millisec for display */
394  PG_RETURN_FLOAT8(((double) funcentry->f_self_time) / 1000.0);
395 }
396 
397 Datum
399 {
400  FuncCallContext *funcctx;
401  int *fctx;
402  int32 result;
403 
404  /* stuff done only on the first call of the function */
405  if (SRF_IS_FIRSTCALL())
406  {
407  /* create a function context for cross-call persistence */
408  funcctx = SRF_FIRSTCALL_INIT();
409 
411  2 * sizeof(int));
412  funcctx->user_fctx = fctx;
413 
414  fctx[0] = 0;
415  fctx[1] = pgstat_fetch_stat_numbackends();
416  }
417 
418  /* stuff done on every call of the function */
419  funcctx = SRF_PERCALL_SETUP();
420  fctx = funcctx->user_fctx;
421 
422  fctx[0] += 1;
423  result = fctx[0];
424 
425  if (result <= fctx[1])
426  {
427  /* do when there is more left to send */
428  SRF_RETURN_NEXT(funcctx, Int32GetDatum(result));
429  }
430  else
431  {
432  /* do when there is no more left */
433  SRF_RETURN_DONE(funcctx);
434  }
435 }
436 
437 /*
438  * Returns command progress information for the named command.
439  */
440 Datum
442 {
443 #define PG_STAT_GET_PROGRESS_COLS PGSTAT_NUM_PROGRESS_PARAM + 3
444  int num_backends = pgstat_fetch_stat_numbackends();
445  int curr_backend;
446  char *cmd = text_to_cstring(PG_GETARG_TEXT_PP(0));
447  ProgressCommandType cmdtype;
448  TupleDesc tupdesc;
449  Tuplestorestate *tupstore;
450  ReturnSetInfo *rsinfo = (ReturnSetInfo *) fcinfo->resultinfo;
451  MemoryContext per_query_ctx;
452  MemoryContext oldcontext;
453 
454  /* check to see if caller supports us returning a tuplestore */
455  if (rsinfo == NULL || !IsA(rsinfo, ReturnSetInfo))
456  ereport(ERROR,
457  (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
458  errmsg("set-valued function called in context that cannot accept a set")));
459  if (!(rsinfo->allowedModes & SFRM_Materialize))
460  ereport(ERROR,
461  (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
462  errmsg("materialize mode required, but it is not " \
463  "allowed in this context")));
464 
465  /* Build a tuple descriptor for our result type */
466  if (get_call_result_type(fcinfo, NULL, &tupdesc) != TYPEFUNC_COMPOSITE)
467  elog(ERROR, "return type must be a row type");
468 
469  /* Translate command name into command type code. */
470  if (pg_strcasecmp(cmd, "VACUUM") == 0)
471  cmdtype = PROGRESS_COMMAND_VACUUM;
472  else if (pg_strcasecmp(cmd, "CLUSTER") == 0)
473  cmdtype = PROGRESS_COMMAND_CLUSTER;
474  else if (pg_strcasecmp(cmd, "CREATE INDEX") == 0)
476  else
477  ereport(ERROR,
478  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
479  errmsg("invalid command name: \"%s\"", cmd)));
480 
481  per_query_ctx = rsinfo->econtext->ecxt_per_query_memory;
482  oldcontext = MemoryContextSwitchTo(per_query_ctx);
483 
484  tupstore = tuplestore_begin_heap(true, false, work_mem);
485  rsinfo->returnMode = SFRM_Materialize;
486  rsinfo->setResult = tupstore;
487  rsinfo->setDesc = tupdesc;
488  MemoryContextSwitchTo(oldcontext);
489 
490  /* 1-based index */
491  for (curr_backend = 1; curr_backend <= num_backends; curr_backend++)
492  {
493  LocalPgBackendStatus *local_beentry;
494  PgBackendStatus *beentry;
496  bool nulls[PG_STAT_GET_PROGRESS_COLS];
497  int i;
498 
499  MemSet(values, 0, sizeof(values));
500  MemSet(nulls, 0, sizeof(nulls));
501 
502  local_beentry = pgstat_fetch_stat_local_beentry(curr_backend);
503 
504  if (!local_beentry)
505  continue;
506 
507  beentry = &local_beentry->backendStatus;
508 
509  /*
510  * Report values for only those backends which are running the given
511  * command.
512  */
513  if (!beentry || beentry->st_progress_command != cmdtype)
514  continue;
515 
516  /* Value available to all callers */
517  values[0] = Int32GetDatum(beentry->st_procpid);
518  values[1] = ObjectIdGetDatum(beentry->st_databaseid);
519 
520  /* show rest of the values including relid only to role members */
521  if (has_privs_of_role(GetUserId(), beentry->st_userid))
522  {
523  values[2] = ObjectIdGetDatum(beentry->st_progress_command_target);
524  for (i = 0; i < PGSTAT_NUM_PROGRESS_PARAM; i++)
525  values[i + 3] = Int64GetDatum(beentry->st_progress_param[i]);
526  }
527  else
528  {
529  nulls[2] = true;
530  for (i = 0; i < PGSTAT_NUM_PROGRESS_PARAM; i++)
531  nulls[i + 3] = true;
532  }
533 
534  tuplestore_putvalues(tupstore, tupdesc, values, nulls);
535  }
536 
537  /* clean up and return the tuplestore */
538  tuplestore_donestoring(tupstore);
539 
540  return (Datum) 0;
541 }
542 
543 /*
544  * Returns activity of PG backends.
545  */
546 Datum
548 {
549 #define PG_STAT_GET_ACTIVITY_COLS 29
550  int num_backends = pgstat_fetch_stat_numbackends();
551  int curr_backend;
552  int pid = PG_ARGISNULL(0) ? -1 : PG_GETARG_INT32(0);
553  ReturnSetInfo *rsinfo = (ReturnSetInfo *) fcinfo->resultinfo;
554  TupleDesc tupdesc;
555  Tuplestorestate *tupstore;
556  MemoryContext per_query_ctx;
557  MemoryContext oldcontext;
558 
559  /* check to see if caller supports us returning a tuplestore */
560  if (rsinfo == NULL || !IsA(rsinfo, ReturnSetInfo))
561  ereport(ERROR,
562  (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
563  errmsg("set-valued function called in context that cannot accept a set")));
564  if (!(rsinfo->allowedModes & SFRM_Materialize))
565  ereport(ERROR,
566  (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
567  errmsg("materialize mode required, but it is not " \
568  "allowed in this context")));
569 
570  /* Build a tuple descriptor for our result type */
571  if (get_call_result_type(fcinfo, NULL, &tupdesc) != TYPEFUNC_COMPOSITE)
572  elog(ERROR, "return type must be a row type");
573 
574  per_query_ctx = rsinfo->econtext->ecxt_per_query_memory;
575  oldcontext = MemoryContextSwitchTo(per_query_ctx);
576 
577  tupstore = tuplestore_begin_heap(true, false, work_mem);
578  rsinfo->returnMode = SFRM_Materialize;
579  rsinfo->setResult = tupstore;
580  rsinfo->setDesc = tupdesc;
581 
582  MemoryContextSwitchTo(oldcontext);
583 
584  /* 1-based index */
585  for (curr_backend = 1; curr_backend <= num_backends; curr_backend++)
586  {
587  /* for each row */
589  bool nulls[PG_STAT_GET_ACTIVITY_COLS];
590  LocalPgBackendStatus *local_beentry;
591  PgBackendStatus *beentry;
592  PGPROC *proc;
593  const char *wait_event_type = NULL;
594  const char *wait_event = NULL;
595 
596  MemSet(values, 0, sizeof(values));
597  MemSet(nulls, 0, sizeof(nulls));
598 
599  /* Get the next one in the list */
600  local_beentry = pgstat_fetch_stat_local_beentry(curr_backend);
601  if (!local_beentry)
602  {
603  int i;
604 
605  /* Ignore missing entries if looking for specific PID */
606  if (pid != -1)
607  continue;
608 
609  for (i = 0; i < lengthof(nulls); i++)
610  nulls[i] = true;
611 
612  nulls[5] = false;
613  values[5] = CStringGetTextDatum("<backend information not available>");
614 
615  tuplestore_putvalues(tupstore, tupdesc, values, nulls);
616  continue;
617  }
618 
619  beentry = &local_beentry->backendStatus;
620 
621  /* If looking for specific PID, ignore all the others */
622  if (pid != -1 && beentry->st_procpid != pid)
623  continue;
624 
625  /* Values available to all callers */
626  if (beentry->st_databaseid != InvalidOid)
627  values[0] = ObjectIdGetDatum(beentry->st_databaseid);
628  else
629  nulls[0] = true;
630 
631  values[1] = Int32GetDatum(beentry->st_procpid);
632 
633  if (beentry->st_userid != InvalidOid)
634  values[2] = ObjectIdGetDatum(beentry->st_userid);
635  else
636  nulls[2] = true;
637 
638  if (beentry->st_appname)
639  values[3] = CStringGetTextDatum(beentry->st_appname);
640  else
641  nulls[3] = true;
642 
643  if (TransactionIdIsValid(local_beentry->backend_xid))
644  values[15] = TransactionIdGetDatum(local_beentry->backend_xid);
645  else
646  nulls[15] = true;
647 
648  if (TransactionIdIsValid(local_beentry->backend_xmin))
649  values[16] = TransactionIdGetDatum(local_beentry->backend_xmin);
650  else
651  nulls[16] = true;
652 
653  /* Values only available to role member or pg_read_all_stats */
654  if (has_privs_of_role(GetUserId(), beentry->st_userid) ||
655  is_member_of_role(GetUserId(), DEFAULT_ROLE_READ_ALL_STATS))
656  {
657  SockAddr zero_clientaddr;
658  char *clipped_activity;
659 
660  switch (beentry->st_state)
661  {
662  case STATE_IDLE:
663  values[4] = CStringGetTextDatum("idle");
664  break;
665  case STATE_RUNNING:
666  values[4] = CStringGetTextDatum("active");
667  break;
669  values[4] = CStringGetTextDatum("idle in transaction");
670  break;
671  case STATE_FASTPATH:
672  values[4] = CStringGetTextDatum("fastpath function call");
673  break;
675  values[4] = CStringGetTextDatum("idle in transaction (aborted)");
676  break;
677  case STATE_DISABLED:
678  values[4] = CStringGetTextDatum("disabled");
679  break;
680  case STATE_UNDEFINED:
681  nulls[4] = true;
682  break;
683  }
684 
685  clipped_activity = pgstat_clip_activity(beentry->st_activity_raw);
686  values[5] = CStringGetTextDatum(clipped_activity);
687  pfree(clipped_activity);
688 
689  proc = BackendPidGetProc(beentry->st_procpid);
690  if (proc != NULL)
691  {
692  uint32 raw_wait_event;
693 
694  raw_wait_event = UINT32_ACCESS_ONCE(proc->wait_event_info);
695  wait_event_type = pgstat_get_wait_event_type(raw_wait_event);
696  wait_event = pgstat_get_wait_event(raw_wait_event);
697 
698  }
699  else if (beentry->st_backendType != B_BACKEND)
700  {
701  /*
702  * For an auxiliary process, retrieve process info from
703  * AuxiliaryProcs stored in shared-memory.
704  */
705  proc = AuxiliaryPidGetProc(beentry->st_procpid);
706 
707  if (proc != NULL)
708  {
709  uint32 raw_wait_event;
710 
711  raw_wait_event =
713  wait_event_type =
714  pgstat_get_wait_event_type(raw_wait_event);
715  wait_event = pgstat_get_wait_event(raw_wait_event);
716  }
717  }
718 
719  if (wait_event_type)
720  values[6] = CStringGetTextDatum(wait_event_type);
721  else
722  nulls[6] = true;
723 
724  if (wait_event)
725  values[7] = CStringGetTextDatum(wait_event);
726  else
727  nulls[7] = true;
728 
729  if (beentry->st_xact_start_timestamp != 0)
730  values[8] = TimestampTzGetDatum(beentry->st_xact_start_timestamp);
731  else
732  nulls[8] = true;
733 
734  if (beentry->st_activity_start_timestamp != 0)
735  values[9] = TimestampTzGetDatum(beentry->st_activity_start_timestamp);
736  else
737  nulls[9] = true;
738 
739  if (beentry->st_proc_start_timestamp != 0)
740  values[10] = TimestampTzGetDatum(beentry->st_proc_start_timestamp);
741  else
742  nulls[10] = true;
743 
744  if (beentry->st_state_start_timestamp != 0)
745  values[11] = TimestampTzGetDatum(beentry->st_state_start_timestamp);
746  else
747  nulls[11] = true;
748 
749  /* A zeroed client addr means we don't know */
750  memset(&zero_clientaddr, 0, sizeof(zero_clientaddr));
751  if (memcmp(&(beentry->st_clientaddr), &zero_clientaddr,
752  sizeof(zero_clientaddr)) == 0)
753  {
754  nulls[12] = true;
755  nulls[13] = true;
756  nulls[14] = true;
757  }
758  else
759  {
760  if (beentry->st_clientaddr.addr.ss_family == AF_INET
761 #ifdef HAVE_IPV6
762  || beentry->st_clientaddr.addr.ss_family == AF_INET6
763 #endif
764  )
765  {
766  char remote_host[NI_MAXHOST];
767  char remote_port[NI_MAXSERV];
768  int ret;
769 
770  remote_host[0] = '\0';
771  remote_port[0] = '\0';
772  ret = pg_getnameinfo_all(&beentry->st_clientaddr.addr,
773  beentry->st_clientaddr.salen,
774  remote_host, sizeof(remote_host),
775  remote_port, sizeof(remote_port),
777  if (ret == 0)
778  {
779  clean_ipv6_addr(beentry->st_clientaddr.addr.ss_family, remote_host);
780  values[12] = DirectFunctionCall1(inet_in,
781  CStringGetDatum(remote_host));
782  if (beentry->st_clienthostname &&
783  beentry->st_clienthostname[0])
784  values[13] = CStringGetTextDatum(beentry->st_clienthostname);
785  else
786  nulls[13] = true;
787  values[14] = Int32GetDatum(atoi(remote_port));
788  }
789  else
790  {
791  nulls[12] = true;
792  nulls[13] = true;
793  nulls[14] = true;
794  }
795  }
796  else if (beentry->st_clientaddr.addr.ss_family == AF_UNIX)
797  {
798  /*
799  * Unix sockets always reports NULL for host and -1 for
800  * port, so it's possible to tell the difference to
801  * connections we have no permissions to view, or with
802  * errors.
803  */
804  nulls[12] = true;
805  nulls[13] = true;
806  values[14] = Int32GetDatum(-1);
807  }
808  else
809  {
810  /* Unknown address type, should never happen */
811  nulls[12] = true;
812  nulls[13] = true;
813  nulls[14] = true;
814  }
815  }
816  /* Add backend type */
817  if (beentry->st_backendType == B_BG_WORKER)
818  {
819  const char *bgw_type;
820 
821  bgw_type = GetBackgroundWorkerTypeByPid(beentry->st_procpid);
822  if (bgw_type)
823  values[17] = CStringGetTextDatum(bgw_type);
824  else
825  nulls[17] = true;
826  }
827  else
828  values[17] =
830 
831  /* SSL information */
832  if (beentry->st_ssl)
833  {
834  values[18] = BoolGetDatum(true); /* ssl */
835  values[19] = CStringGetTextDatum(beentry->st_sslstatus->ssl_version);
836  values[20] = CStringGetTextDatum(beentry->st_sslstatus->ssl_cipher);
837  values[21] = Int32GetDatum(beentry->st_sslstatus->ssl_bits);
838  values[22] = BoolGetDatum(beentry->st_sslstatus->ssl_compression);
839 
840  if (beentry->st_sslstatus->ssl_client_dn[0])
841  values[23] = CStringGetTextDatum(beentry->st_sslstatus->ssl_client_dn);
842  else
843  nulls[23] = true;
844 
845  if (beentry->st_sslstatus->ssl_client_serial[0])
846  values[24] = DirectFunctionCall3(numeric_in,
849  Int32GetDatum(-1));
850  else
851  nulls[24] = true;
852 
853  if (beentry->st_sslstatus->ssl_issuer_dn[0])
854  values[25] = CStringGetTextDatum(beentry->st_sslstatus->ssl_issuer_dn);
855  else
856  nulls[25] = true;
857  }
858  else
859  {
860  values[18] = BoolGetDatum(false); /* ssl */
861  nulls[19] = nulls[20] = nulls[21] = nulls[22] = nulls[23] = nulls[24] = nulls[25] = true;
862  }
863 
864  /* GSSAPI information */
865  if (beentry->st_gss)
866  {
867  values[26] = BoolGetDatum(beentry->st_gssstatus->gss_auth); /* gss_auth */
868  values[27] = CStringGetTextDatum(beentry->st_gssstatus->gss_princ);
869  values[28] = BoolGetDatum(beentry->st_gssstatus->gss_enc); /* GSS Encryption in use */
870  }
871  else
872  {
873  values[26] = BoolGetDatum(false); /* gss_auth */
874  nulls[27] = true; /* No GSS principal */
875  values[28] = BoolGetDatum(false); /* GSS Encryption not in
876  * use */
877  }
878  }
879  else
880  {
881  /* No permissions to view data about this session */
882  values[5] = CStringGetTextDatum("<insufficient privilege>");
883  nulls[4] = true;
884  nulls[6] = true;
885  nulls[7] = true;
886  nulls[8] = true;
887  nulls[9] = true;
888  nulls[10] = true;
889  nulls[11] = true;
890  nulls[12] = true;
891  nulls[13] = true;
892  nulls[14] = true;
893  nulls[17] = true;
894  nulls[18] = true;
895  nulls[19] = true;
896  nulls[20] = true;
897  nulls[21] = true;
898  nulls[22] = true;
899  nulls[23] = true;
900  nulls[24] = true;
901  nulls[25] = true;
902  nulls[26] = true;
903  nulls[27] = true;
904  nulls[28] = true;
905  }
906 
907  tuplestore_putvalues(tupstore, tupdesc, values, nulls);
908 
909  /* If only a single backend was requested, and we found it, break. */
910  if (pid != -1)
911  break;
912  }
913 
914  /* clean up and return the tuplestore */
915  tuplestore_donestoring(tupstore);
916 
917  return (Datum) 0;
918 }
919 
920 
921 Datum
923 {
925 }
926 
927 
928 Datum
930 {
931  int32 beid = PG_GETARG_INT32(0);
932  PgBackendStatus *beentry;
933 
934  if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL)
935  PG_RETURN_NULL();
936 
937  PG_RETURN_INT32(beentry->st_procpid);
938 }
939 
940 
941 Datum
943 {
944  int32 beid = PG_GETARG_INT32(0);
945  PgBackendStatus *beentry;
946 
947  if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL)
948  PG_RETURN_NULL();
949 
950  PG_RETURN_OID(beentry->st_databaseid);
951 }
952 
953 
954 Datum
956 {
957  int32 beid = PG_GETARG_INT32(0);
958  PgBackendStatus *beentry;
959 
960  if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL)
961  PG_RETURN_NULL();
962 
963  PG_RETURN_OID(beentry->st_userid);
964 }
965 
966 
967 Datum
969 {
970  int32 beid = PG_GETARG_INT32(0);
971  PgBackendStatus *beentry;
972  const char *activity;
973  char *clipped_activity;
974  text *ret;
975 
976  if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL)
977  activity = "<backend information not available>";
978  else if (!has_privs_of_role(GetUserId(), beentry->st_userid))
979  activity = "<insufficient privilege>";
980  else if (*(beentry->st_activity_raw) == '\0')
981  activity = "<command string not enabled>";
982  else
983  activity = beentry->st_activity_raw;
984 
985  clipped_activity = pgstat_clip_activity(activity);
986  ret = cstring_to_text(activity);
987  pfree(clipped_activity);
988 
989  PG_RETURN_TEXT_P(ret);
990 }
991 
992 Datum
994 {
995  int32 beid = PG_GETARG_INT32(0);
996  PgBackendStatus *beentry;
997  PGPROC *proc;
998  const char *wait_event_type = NULL;
999 
1000  if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL)
1001  wait_event_type = "<backend information not available>";
1002  else if (!has_privs_of_role(GetUserId(), beentry->st_userid))
1003  wait_event_type = "<insufficient privilege>";
1004  else if ((proc = BackendPidGetProc(beentry->st_procpid)) != NULL)
1005  wait_event_type = pgstat_get_wait_event_type(proc->wait_event_info);
1006 
1007  if (!wait_event_type)
1008  PG_RETURN_NULL();
1009 
1010  PG_RETURN_TEXT_P(cstring_to_text(wait_event_type));
1011 }
1012 
1013 Datum
1015 {
1016  int32 beid = PG_GETARG_INT32(0);
1017  PgBackendStatus *beentry;
1018  PGPROC *proc;
1019  const char *wait_event = NULL;
1020 
1021  if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL)
1022  wait_event = "<backend information not available>";
1023  else if (!has_privs_of_role(GetUserId(), beentry->st_userid))
1024  wait_event = "<insufficient privilege>";
1025  else if ((proc = BackendPidGetProc(beentry->st_procpid)) != NULL)
1026  wait_event = pgstat_get_wait_event(proc->wait_event_info);
1027 
1028  if (!wait_event)
1029  PG_RETURN_NULL();
1030 
1031  PG_RETURN_TEXT_P(cstring_to_text(wait_event));
1032 }
1033 
1034 
1035 Datum
1037 {
1038  int32 beid = PG_GETARG_INT32(0);
1039  TimestampTz result;
1040  PgBackendStatus *beentry;
1041 
1042  if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL)
1043  PG_RETURN_NULL();
1044 
1045  if (!has_privs_of_role(GetUserId(), beentry->st_userid))
1046  PG_RETURN_NULL();
1047 
1048  result = beentry->st_activity_start_timestamp;
1049 
1050  /*
1051  * No time recorded for start of current query -- this is the case if the
1052  * user hasn't enabled query-level stats collection.
1053  */
1054  if (result == 0)
1055  PG_RETURN_NULL();
1056 
1057  PG_RETURN_TIMESTAMPTZ(result);
1058 }
1059 
1060 
1061 Datum
1063 {
1064  int32 beid = PG_GETARG_INT32(0);
1065  TimestampTz result;
1066  PgBackendStatus *beentry;
1067 
1068  if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL)
1069  PG_RETURN_NULL();
1070 
1071  if (!has_privs_of_role(GetUserId(), beentry->st_userid))
1072  PG_RETURN_NULL();
1073 
1074  result = beentry->st_xact_start_timestamp;
1075 
1076  if (result == 0) /* not in a transaction */
1077  PG_RETURN_NULL();
1078 
1079  PG_RETURN_TIMESTAMPTZ(result);
1080 }
1081 
1082 
1083 Datum
1085 {
1086  int32 beid = PG_GETARG_INT32(0);
1087  TimestampTz result;
1088  PgBackendStatus *beentry;
1089 
1090  if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL)
1091  PG_RETURN_NULL();
1092 
1093  if (!has_privs_of_role(GetUserId(), beentry->st_userid))
1094  PG_RETURN_NULL();
1095 
1096  result = beentry->st_proc_start_timestamp;
1097 
1098  if (result == 0) /* probably can't happen? */
1099  PG_RETURN_NULL();
1100 
1101  PG_RETURN_TIMESTAMPTZ(result);
1102 }
1103 
1104 
1105 Datum
1107 {
1108  int32 beid = PG_GETARG_INT32(0);
1109  PgBackendStatus *beentry;
1110  SockAddr zero_clientaddr;
1111  char remote_host[NI_MAXHOST];
1112  int ret;
1113 
1114  if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL)
1115  PG_RETURN_NULL();
1116 
1117  if (!has_privs_of_role(GetUserId(), beentry->st_userid))
1118  PG_RETURN_NULL();
1119 
1120  /* A zeroed client addr means we don't know */
1121  memset(&zero_clientaddr, 0, sizeof(zero_clientaddr));
1122  if (memcmp(&(beentry->st_clientaddr), &zero_clientaddr,
1123  sizeof(zero_clientaddr)) == 0)
1124  PG_RETURN_NULL();
1125 
1126  switch (beentry->st_clientaddr.addr.ss_family)
1127  {
1128  case AF_INET:
1129 #ifdef HAVE_IPV6
1130  case AF_INET6:
1131 #endif
1132  break;
1133  default:
1134  PG_RETURN_NULL();
1135  }
1136 
1137  remote_host[0] = '\0';
1138  ret = pg_getnameinfo_all(&beentry->st_clientaddr.addr,
1139  beentry->st_clientaddr.salen,
1140  remote_host, sizeof(remote_host),
1141  NULL, 0,
1143  if (ret != 0)
1144  PG_RETURN_NULL();
1145 
1146  clean_ipv6_addr(beentry->st_clientaddr.addr.ss_family, remote_host);
1147 
1149  CStringGetDatum(remote_host)));
1150 }
1151 
1152 Datum
1154 {
1155  int32 beid = PG_GETARG_INT32(0);
1156  PgBackendStatus *beentry;
1157  SockAddr zero_clientaddr;
1158  char remote_port[NI_MAXSERV];
1159  int ret;
1160 
1161  if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL)
1162  PG_RETURN_NULL();
1163 
1164  if (!has_privs_of_role(GetUserId(), beentry->st_userid))
1165  PG_RETURN_NULL();
1166 
1167  /* A zeroed client addr means we don't know */
1168  memset(&zero_clientaddr, 0, sizeof(zero_clientaddr));
1169  if (memcmp(&(beentry->st_clientaddr), &zero_clientaddr,
1170  sizeof(zero_clientaddr)) == 0)
1171  PG_RETURN_NULL();
1172 
1173  switch (beentry->st_clientaddr.addr.ss_family)
1174  {
1175  case AF_INET:
1176 #ifdef HAVE_IPV6
1177  case AF_INET6:
1178 #endif
1179  break;
1180  case AF_UNIX:
1181  PG_RETURN_INT32(-1);
1182  default:
1183  PG_RETURN_NULL();
1184  }
1185 
1186  remote_port[0] = '\0';
1187  ret = pg_getnameinfo_all(&beentry->st_clientaddr.addr,
1188  beentry->st_clientaddr.salen,
1189  NULL, 0,
1190  remote_port, sizeof(remote_port),
1192  if (ret != 0)
1193  PG_RETURN_NULL();
1194 
1196  CStringGetDatum(remote_port)));
1197 }
1198 
1199 
1200 Datum
1202 {
1203  Oid dbid = PG_GETARG_OID(0);
1204  int32 result;
1205  int tot_backends = pgstat_fetch_stat_numbackends();
1206  int beid;
1207 
1208  result = 0;
1209  for (beid = 1; beid <= tot_backends; beid++)
1210  {
1211  PgBackendStatus *beentry = pgstat_fetch_stat_beentry(beid);
1212 
1213  if (beentry && beentry->st_databaseid == dbid)
1214  result++;
1215  }
1216 
1217  PG_RETURN_INT32(result);
1218 }
1219 
1220 
1221 Datum
1223 {
1224  Oid dbid = PG_GETARG_OID(0);
1225  int64 result;
1226  PgStat_StatDBEntry *dbentry;
1227 
1228  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1229  result = 0;
1230  else
1231  result = (int64) (dbentry->n_xact_commit);
1232 
1233  PG_RETURN_INT64(result);
1234 }
1235 
1236 
1237 Datum
1239 {
1240  Oid dbid = PG_GETARG_OID(0);
1241  int64 result;
1242  PgStat_StatDBEntry *dbentry;
1243 
1244  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1245  result = 0;
1246  else
1247  result = (int64) (dbentry->n_xact_rollback);
1248 
1249  PG_RETURN_INT64(result);
1250 }
1251 
1252 
1253 Datum
1255 {
1256  Oid dbid = PG_GETARG_OID(0);
1257  int64 result;
1258  PgStat_StatDBEntry *dbentry;
1259 
1260  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1261  result = 0;
1262  else
1263  result = (int64) (dbentry->n_blocks_fetched);
1264 
1265  PG_RETURN_INT64(result);
1266 }
1267 
1268 
1269 Datum
1271 {
1272  Oid dbid = PG_GETARG_OID(0);
1273  int64 result;
1274  PgStat_StatDBEntry *dbentry;
1275 
1276  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1277  result = 0;
1278  else
1279  result = (int64) (dbentry->n_blocks_hit);
1280 
1281  PG_RETURN_INT64(result);
1282 }
1283 
1284 
1285 Datum
1287 {
1288  Oid dbid = PG_GETARG_OID(0);
1289  int64 result;
1290  PgStat_StatDBEntry *dbentry;
1291 
1292  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1293  result = 0;
1294  else
1295  result = (int64) (dbentry->n_tuples_returned);
1296 
1297  PG_RETURN_INT64(result);
1298 }
1299 
1300 
1301 Datum
1303 {
1304  Oid dbid = PG_GETARG_OID(0);
1305  int64 result;
1306  PgStat_StatDBEntry *dbentry;
1307 
1308  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1309  result = 0;
1310  else
1311  result = (int64) (dbentry->n_tuples_fetched);
1312 
1313  PG_RETURN_INT64(result);
1314 }
1315 
1316 
1317 Datum
1319 {
1320  Oid dbid = PG_GETARG_OID(0);
1321  int64 result;
1322  PgStat_StatDBEntry *dbentry;
1323 
1324  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1325  result = 0;
1326  else
1327  result = (int64) (dbentry->n_tuples_inserted);
1328 
1329  PG_RETURN_INT64(result);
1330 }
1331 
1332 
1333 Datum
1335 {
1336  Oid dbid = PG_GETARG_OID(0);
1337  int64 result;
1338  PgStat_StatDBEntry *dbentry;
1339 
1340  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1341  result = 0;
1342  else
1343  result = (int64) (dbentry->n_tuples_updated);
1344 
1345  PG_RETURN_INT64(result);
1346 }
1347 
1348 
1349 Datum
1351 {
1352  Oid dbid = PG_GETARG_OID(0);
1353  int64 result;
1354  PgStat_StatDBEntry *dbentry;
1355 
1356  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1357  result = 0;
1358  else
1359  result = (int64) (dbentry->n_tuples_deleted);
1360 
1361  PG_RETURN_INT64(result);
1362 }
1363 
1364 Datum
1366 {
1367  Oid dbid = PG_GETARG_OID(0);
1368  TimestampTz result;
1369  PgStat_StatDBEntry *dbentry;
1370 
1371  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1372  result = 0;
1373  else
1374  result = dbentry->stat_reset_timestamp;
1375 
1376  if (result == 0)
1377  PG_RETURN_NULL();
1378  else
1379  PG_RETURN_TIMESTAMPTZ(result);
1380 }
1381 
1382 Datum
1384 {
1385  Oid dbid = PG_GETARG_OID(0);
1386  int64 result;
1387  PgStat_StatDBEntry *dbentry;
1388 
1389  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1390  result = 0;
1391  else
1392  result = dbentry->n_temp_files;
1393 
1394  PG_RETURN_INT64(result);
1395 }
1396 
1397 
1398 Datum
1400 {
1401  Oid dbid = PG_GETARG_OID(0);
1402  int64 result;
1403  PgStat_StatDBEntry *dbentry;
1404 
1405  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1406  result = 0;
1407  else
1408  result = dbentry->n_temp_bytes;
1409 
1410  PG_RETURN_INT64(result);
1411 }
1412 
1413 Datum
1415 {
1416  Oid dbid = PG_GETARG_OID(0);
1417  int64 result;
1418  PgStat_StatDBEntry *dbentry;
1419 
1420  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1421  result = 0;
1422  else
1423  result = (int64) (dbentry->n_conflict_tablespace);
1424 
1425  PG_RETURN_INT64(result);
1426 }
1427 
1428 Datum
1430 {
1431  Oid dbid = PG_GETARG_OID(0);
1432  int64 result;
1433  PgStat_StatDBEntry *dbentry;
1434 
1435  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1436  result = 0;
1437  else
1438  result = (int64) (dbentry->n_conflict_lock);
1439 
1440  PG_RETURN_INT64(result);
1441 }
1442 
1443 Datum
1445 {
1446  Oid dbid = PG_GETARG_OID(0);
1447  int64 result;
1448  PgStat_StatDBEntry *dbentry;
1449 
1450  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1451  result = 0;
1452  else
1453  result = (int64) (dbentry->n_conflict_snapshot);
1454 
1455  PG_RETURN_INT64(result);
1456 }
1457 
1458 Datum
1460 {
1461  Oid dbid = PG_GETARG_OID(0);
1462  int64 result;
1463  PgStat_StatDBEntry *dbentry;
1464 
1465  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1466  result = 0;
1467  else
1468  result = (int64) (dbentry->n_conflict_bufferpin);
1469 
1470  PG_RETURN_INT64(result);
1471 }
1472 
1473 Datum
1475 {
1476  Oid dbid = PG_GETARG_OID(0);
1477  int64 result;
1478  PgStat_StatDBEntry *dbentry;
1479 
1480  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1481  result = 0;
1482  else
1483  result = (int64) (dbentry->n_conflict_startup_deadlock);
1484 
1485  PG_RETURN_INT64(result);
1486 }
1487 
1488 Datum
1490 {
1491  Oid dbid = PG_GETARG_OID(0);
1492  int64 result;
1493  PgStat_StatDBEntry *dbentry;
1494 
1495  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1496  result = 0;
1497  else
1498  result = (int64) (
1499  dbentry->n_conflict_tablespace +
1500  dbentry->n_conflict_lock +
1501  dbentry->n_conflict_snapshot +
1502  dbentry->n_conflict_bufferpin +
1503  dbentry->n_conflict_startup_deadlock);
1504 
1505  PG_RETURN_INT64(result);
1506 }
1507 
1508 Datum
1510 {
1511  Oid dbid = PG_GETARG_OID(0);
1512  int64 result;
1513  PgStat_StatDBEntry *dbentry;
1514 
1515  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1516  result = 0;
1517  else
1518  result = (int64) (dbentry->n_deadlocks);
1519 
1520  PG_RETURN_INT64(result);
1521 }
1522 
1523 Datum
1525 {
1526  Oid dbid = PG_GETARG_OID(0);
1527  int64 result;
1528  PgStat_StatDBEntry *dbentry;
1529 
1530  if (!DataChecksumsEnabled())
1531  PG_RETURN_NULL();
1532 
1533  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1534  result = 0;
1535  else
1536  result = (int64) (dbentry->n_checksum_failures);
1537 
1538  PG_RETURN_INT64(result);
1539 }
1540 
1541 Datum
1543 {
1544  Oid dbid = PG_GETARG_OID(0);
1545  TimestampTz result;
1546  PgStat_StatDBEntry *dbentry;
1547 
1548  if (!DataChecksumsEnabled())
1549  PG_RETURN_NULL();
1550 
1551  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1552  result = 0;
1553  else
1554  result = dbentry->last_checksum_failure;
1555 
1556  if (result == 0)
1557  PG_RETURN_NULL();
1558  else
1559  PG_RETURN_TIMESTAMPTZ(result);
1560 }
1561 
1562 Datum
1564 {
1565  Oid dbid = PG_GETARG_OID(0);
1566  double result;
1567  PgStat_StatDBEntry *dbentry;
1568 
1569  /* convert counter from microsec to millisec for display */
1570  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1571  result = 0;
1572  else
1573  result = ((double) dbentry->n_block_read_time) / 1000.0;
1574 
1575  PG_RETURN_FLOAT8(result);
1576 }
1577 
1578 Datum
1580 {
1581  Oid dbid = PG_GETARG_OID(0);
1582  double result;
1583  PgStat_StatDBEntry *dbentry;
1584 
1585  /* convert counter from microsec to millisec for display */
1586  if ((dbentry = pgstat_fetch_stat_dbentry(dbid)) == NULL)
1587  result = 0;
1588  else
1589  result = ((double) dbentry->n_block_write_time) / 1000.0;
1590 
1591  PG_RETURN_FLOAT8(result);
1592 }
1593 
1594 Datum
1596 {
1597  PG_RETURN_INT64(pgstat_fetch_global()->timed_checkpoints);
1598 }
1599 
1600 Datum
1602 {
1603  PG_RETURN_INT64(pgstat_fetch_global()->requested_checkpoints);
1604 }
1605 
1606 Datum
1608 {
1609  PG_RETURN_INT64(pgstat_fetch_global()->buf_written_checkpoints);
1610 }
1611 
1612 Datum
1614 {
1615  PG_RETURN_INT64(pgstat_fetch_global()->buf_written_clean);
1616 }
1617 
1618 Datum
1620 {
1621  PG_RETURN_INT64(pgstat_fetch_global()->maxwritten_clean);
1622 }
1623 
1624 Datum
1626 {
1627  /* time is already in msec, just convert to double for presentation */
1628  PG_RETURN_FLOAT8((double) pgstat_fetch_global()->checkpoint_write_time);
1629 }
1630 
1631 Datum
1633 {
1634  /* time is already in msec, just convert to double for presentation */
1635  PG_RETURN_FLOAT8((double) pgstat_fetch_global()->checkpoint_sync_time);
1636 }
1637 
1638 Datum
1640 {
1641  PG_RETURN_TIMESTAMPTZ(pgstat_fetch_global()->stat_reset_timestamp);
1642 }
1643 
1644 Datum
1646 {
1647  PG_RETURN_INT64(pgstat_fetch_global()->buf_written_backend);
1648 }
1649 
1650 Datum
1652 {
1653  PG_RETURN_INT64(pgstat_fetch_global()->buf_fsync_backend);
1654 }
1655 
1656 Datum
1658 {
1659  PG_RETURN_INT64(pgstat_fetch_global()->buf_alloc);
1660 }
1661 
1662 Datum
1664 {
1665  Oid relid = PG_GETARG_OID(0);
1666  int64 result;
1667  PgStat_TableStatus *tabentry;
1668 
1669  if ((tabentry = find_tabstat_entry(relid)) == NULL)
1670  result = 0;
1671  else
1672  result = (int64) (tabentry->t_counts.t_numscans);
1673 
1674  PG_RETURN_INT64(result);
1675 }
1676 
1677 Datum
1679 {
1680  Oid relid = PG_GETARG_OID(0);
1681  int64 result;
1682  PgStat_TableStatus *tabentry;
1683 
1684  if ((tabentry = find_tabstat_entry(relid)) == NULL)
1685  result = 0;
1686  else
1687  result = (int64) (tabentry->t_counts.t_tuples_returned);
1688 
1689  PG_RETURN_INT64(result);
1690 }
1691 
1692 Datum
1694 {
1695  Oid relid = PG_GETARG_OID(0);
1696  int64 result;
1697  PgStat_TableStatus *tabentry;
1698 
1699  if ((tabentry = find_tabstat_entry(relid)) == NULL)
1700  result = 0;
1701  else
1702  result = (int64) (tabentry->t_counts.t_tuples_fetched);
1703 
1704  PG_RETURN_INT64(result);
1705 }
1706 
1707 Datum
1709 {
1710  Oid relid = PG_GETARG_OID(0);
1711  int64 result;
1712  PgStat_TableStatus *tabentry;
1714 
1715  if ((tabentry = find_tabstat_entry(relid)) == NULL)
1716  result = 0;
1717  else
1718  {
1719  result = tabentry->t_counts.t_tuples_inserted;
1720  /* live subtransactions' counts aren't in t_tuples_inserted yet */
1721  for (trans = tabentry->trans; trans != NULL; trans = trans->upper)
1722  result += trans->tuples_inserted;
1723  }
1724 
1725  PG_RETURN_INT64(result);
1726 }
1727 
1728 Datum
1730 {
1731  Oid relid = PG_GETARG_OID(0);
1732  int64 result;
1733  PgStat_TableStatus *tabentry;
1735 
1736  if ((tabentry = find_tabstat_entry(relid)) == NULL)
1737  result = 0;
1738  else
1739  {
1740  result = tabentry->t_counts.t_tuples_updated;
1741  /* live subtransactions' counts aren't in t_tuples_updated yet */
1742  for (trans = tabentry->trans; trans != NULL; trans = trans->upper)
1743  result += trans->tuples_updated;
1744  }
1745 
1746  PG_RETURN_INT64(result);
1747 }
1748 
1749 Datum
1751 {
1752  Oid relid = PG_GETARG_OID(0);
1753  int64 result;
1754  PgStat_TableStatus *tabentry;
1756 
1757  if ((tabentry = find_tabstat_entry(relid)) == NULL)
1758  result = 0;
1759  else
1760  {
1761  result = tabentry->t_counts.t_tuples_deleted;
1762  /* live subtransactions' counts aren't in t_tuples_deleted yet */
1763  for (trans = tabentry->trans; trans != NULL; trans = trans->upper)
1764  result += trans->tuples_deleted;
1765  }
1766 
1767  PG_RETURN_INT64(result);
1768 }
1769 
1770 Datum
1772 {
1773  Oid relid = PG_GETARG_OID(0);
1774  int64 result;
1775  PgStat_TableStatus *tabentry;
1776 
1777  if ((tabentry = find_tabstat_entry(relid)) == NULL)
1778  result = 0;
1779  else
1780  result = (int64) (tabentry->t_counts.t_tuples_hot_updated);
1781 
1782  PG_RETURN_INT64(result);
1783 }
1784 
1785 Datum
1787 {
1788  Oid relid = PG_GETARG_OID(0);
1789  int64 result;
1790  PgStat_TableStatus *tabentry;
1791 
1792  if ((tabentry = find_tabstat_entry(relid)) == NULL)
1793  result = 0;
1794  else
1795  result = (int64) (tabentry->t_counts.t_blocks_fetched);
1796 
1797  PG_RETURN_INT64(result);
1798 }
1799 
1800 Datum
1802 {
1803  Oid relid = PG_GETARG_OID(0);
1804  int64 result;
1805  PgStat_TableStatus *tabentry;
1806 
1807  if ((tabentry = find_tabstat_entry(relid)) == NULL)
1808  result = 0;
1809  else
1810  result = (int64) (tabentry->t_counts.t_blocks_hit);
1811 
1812  PG_RETURN_INT64(result);
1813 }
1814 
1815 Datum
1817 {
1818  Oid funcid = PG_GETARG_OID(0);
1819  PgStat_BackendFunctionEntry *funcentry;
1820 
1821  if ((funcentry = find_funcstat_entry(funcid)) == NULL)
1822  PG_RETURN_NULL();
1823  PG_RETURN_INT64(funcentry->f_counts.f_numcalls);
1824 }
1825 
1826 Datum
1828 {
1829  Oid funcid = PG_GETARG_OID(0);
1830  PgStat_BackendFunctionEntry *funcentry;
1831 
1832  if ((funcentry = find_funcstat_entry(funcid)) == NULL)
1833  PG_RETURN_NULL();
1835 }
1836 
1837 Datum
1839 {
1840  Oid funcid = PG_GETARG_OID(0);
1841  PgStat_BackendFunctionEntry *funcentry;
1842 
1843  if ((funcentry = find_funcstat_entry(funcid)) == NULL)
1844  PG_RETURN_NULL();
1846 }
1847 
1848 
1849 /* Get the timestamp of the current statistics snapshot */
1850 Datum
1852 {
1853  PG_RETURN_TIMESTAMPTZ(pgstat_fetch_global()->stats_timestamp);
1854 }
1855 
1856 /* Discard the active statistics snapshot */
1857 Datum
1859 {
1861 
1862  PG_RETURN_VOID();
1863 }
1864 
1865 
1866 /* Reset all counters for the current database */
1867 Datum
1869 {
1871 
1872  PG_RETURN_VOID();
1873 }
1874 
1875 /* Reset some shared cluster-wide counters */
1876 Datum
1878 {
1879  char *target = text_to_cstring(PG_GETARG_TEXT_PP(0));
1880 
1882 
1883  PG_RETURN_VOID();
1884 }
1885 
1886 /* Reset a single counter in the current database */
1887 Datum
1889 {
1890  Oid taboid = PG_GETARG_OID(0);
1891 
1893 
1894  PG_RETURN_VOID();
1895 }
1896 
1897 Datum
1899 {
1900  Oid funcoid = PG_GETARG_OID(0);
1901 
1903 
1904  PG_RETURN_VOID();
1905 }
1906 
1907 Datum
1909 {
1910  TupleDesc tupdesc;
1911  Datum values[7];
1912  bool nulls[7];
1913  PgStat_ArchiverStats *archiver_stats;
1914 
1915  /* Initialise values and NULL flags arrays */
1916  MemSet(values, 0, sizeof(values));
1917  MemSet(nulls, 0, sizeof(nulls));
1918 
1919  /* Initialise attributes information in the tuple descriptor */
1920  tupdesc = CreateTemplateTupleDesc(7);
1921  TupleDescInitEntry(tupdesc, (AttrNumber) 1, "archived_count",
1922  INT8OID, -1, 0);
1923  TupleDescInitEntry(tupdesc, (AttrNumber) 2, "last_archived_wal",
1924  TEXTOID, -1, 0);
1925  TupleDescInitEntry(tupdesc, (AttrNumber) 3, "last_archived_time",
1926  TIMESTAMPTZOID, -1, 0);
1927  TupleDescInitEntry(tupdesc, (AttrNumber) 4, "failed_count",
1928  INT8OID, -1, 0);
1929  TupleDescInitEntry(tupdesc, (AttrNumber) 5, "last_failed_wal",
1930  TEXTOID, -1, 0);
1931  TupleDescInitEntry(tupdesc, (AttrNumber) 6, "last_failed_time",
1932  TIMESTAMPTZOID, -1, 0);
1933  TupleDescInitEntry(tupdesc, (AttrNumber) 7, "stats_reset",
1934  TIMESTAMPTZOID, -1, 0);
1935 
1936  BlessTupleDesc(tupdesc);
1937 
1938  /* Get statistics about the archiver process */
1939  archiver_stats = pgstat_fetch_stat_archiver();
1940 
1941  /* Fill values and NULLs */
1942  values[0] = Int64GetDatum(archiver_stats->archived_count);
1943  if (*(archiver_stats->last_archived_wal) == '\0')
1944  nulls[1] = true;
1945  else
1946  values[1] = CStringGetTextDatum(archiver_stats->last_archived_wal);
1947 
1948  if (archiver_stats->last_archived_timestamp == 0)
1949  nulls[2] = true;
1950  else
1951  values[2] = TimestampTzGetDatum(archiver_stats->last_archived_timestamp);
1952 
1953  values[3] = Int64GetDatum(archiver_stats->failed_count);
1954  if (*(archiver_stats->last_failed_wal) == '\0')
1955  nulls[4] = true;
1956  else
1957  values[4] = CStringGetTextDatum(archiver_stats->last_failed_wal);
1958 
1959  if (archiver_stats->last_failed_timestamp == 0)
1960  nulls[5] = true;
1961  else
1962  values[5] = TimestampTzGetDatum(archiver_stats->last_failed_timestamp);
1963 
1964  if (archiver_stats->stat_reset_timestamp == 0)
1965  nulls[6] = true;
1966  else
1967  values[6] = TimestampTzGetDatum(archiver_stats->stat_reset_timestamp);
1968 
1969  /* Returns the record as Datum */
1971  heap_form_tuple(tupdesc, values, nulls)));
1972 }
void tuplestore_putvalues(Tuplestorestate *state, TupleDesc tdesc, Datum *values, bool *isnull)
Definition: tuplestore.c:750
Datum pg_stat_get_db_conflict_snapshot(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1444
char ssl_issuer_dn[NAMEDATALEN]
Definition: pgstat.h:993
Datum pg_stat_get_db_tuples_updated(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1334
const char * GetBackgroundWorkerTypeByPid(pid_t pid)
Definition: bgworker.c:1252
char gss_princ[NAMEDATALEN]
Definition: pgstat.h:1007
Datum pg_stat_get_db_xact_commit(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1222
bool ssl_compression
Definition: pgstat.h:982
Datum pg_stat_get_db_deadlocks(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1509
Datum pg_stat_get_autoanalyze_count(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:348
Datum pg_stat_get_db_conflict_all(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1489
Datum pg_stat_get_buf_fsync_backend(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1651
Datum pg_stat_get_backend_wait_event_type(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:993
PgStat_Counter analyze_count
Definition: pgstat.h:658
char ssl_cipher[NAMEDATALEN]
Definition: pgstat.h:984
char last_failed_wal[MAX_XFN_CHARS+1]
Definition: pgstat.h:689
Datum pg_stat_get_progress_info(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:441
instr_time f_self_time
Definition: pgstat.h:463
#define PG_GETARG_INT32(n)
Definition: fmgr.h:264
Datum pg_stat_get_mod_since_analyze(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:184
Datum pg_stat_get_db_numbackends(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1201
PgStat_Counter archived_count
Definition: pgstat.h:684
Datum pg_stat_reset_single_function_counters(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1898
#define IsA(nodeptr, _type_)
Definition: nodes.h:576
Oid st_progress_command_target
Definition: pgstat.h:1097
Datum pg_stat_get_archiver(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1908
TypeFuncClass get_call_result_type(FunctionCallInfo fcinfo, Oid *resultTypeId, TupleDesc *resultTupleDesc)
Definition: funcapi.c:196
int MyProcPid
Definition: globals.c:40
#define NI_NUMERICHOST
Definition: getaddrinfo.h:78
Datum pg_stat_get_checkpoint_sync_time(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1632
PgStat_Counter tuples_updated
Definition: pgstat.h:168
PgStat_Counter tuples_returned
Definition: pgstat.h:638
Datum pg_stat_get_xact_tuples_updated(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1729
Datum pg_stat_get_last_analyze_time(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:267
Datum pg_stat_get_tuples_deleted(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:120
uint32 wait_event_info
Definition: proc.h:176
TupleDesc CreateTemplateTupleDesc(int natts)
Definition: tupdesc.c:44
Datum pg_stat_get_xact_function_calls(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1816
const char * pgstat_get_wait_event_type(uint32 wait_event_info)
Definition: pgstat.c:3502
PgStat_Counter t_tuples_fetched
Definition: pgstat.h:102
Oid GetUserId(void)
Definition: miscinit.c:380
PgStat_StatFuncEntry * pgstat_fetch_stat_funcentry(Oid func_id)
Definition: pgstat.c:2515
TimestampTz st_activity_start_timestamp
Definition: pgstat.h:1055
PGPROC * BackendPidGetProc(int pid)
Definition: procarray.c:2363
#define PG_RETURN_INT64(x)
Definition: fmgr.h:357
PgStat_Counter n_blocks_hit
Definition: pgstat.h:596
bool DataChecksumsEnabled(void)
Definition: xlog.c:4822
int64 TimestampTz
Definition: timestamp.h:39
#define SRF_IS_FIRSTCALL()
Definition: funcapi.h:283
PgStat_Counter n_conflict_bufferpin
Definition: pgstat.h:606
#define PG_STAT_GET_ACTIVITY_COLS
PgStat_Counter n_conflict_startup_deadlock
Definition: pgstat.h:607
const char * pgstat_get_backend_desc(BackendType backendType)
Definition: pgstat.c:4274
PgStat_Counter t_tuples_hot_updated
Definition: pgstat.h:107
Datum pg_stat_get_db_blk_write_time(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1579
#define INSTR_TIME_GET_MILLISEC(t)
Definition: instr_time.h:202
Datum pg_stat_get_analyze_count(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:333
TimestampTz autovac_analyze_timestamp
Definition: pgstat.h:659
Datum int4in(PG_FUNCTION_ARGS)
Definition: int.c:268
Datum pg_stat_get_checkpoint_write_time(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1625
bool has_privs_of_role(Oid member, Oid role)
Definition: acl.c:4908
#define PG_RETURN_FLOAT8(x)
Definition: fmgr.h:356
PgStat_Counter n_checksum_failures
Definition: pgstat.h:611
char ssl_client_dn[NAMEDATALEN]
Definition: pgstat.h:985
PgStat_Counter n_temp_files
Definition: pgstat.h:608
#define tuplestore_donestoring(state)
Definition: tuplestore.h:60
void pgstat_reset_shared_counters(const char *target)
Definition: pgstat.c:1333
struct sockaddr_storage addr
Definition: pqcomm.h:64
static MemoryContext MemoryContextSwitchTo(MemoryContext context)
Definition: palloc.h:109
#define PG_RETURN_INT32(x)
Definition: fmgr.h:344
Datum pg_stat_get_xact_function_total_time(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1827
TimestampTz last_checksum_failure
Definition: pgstat.h:612
#define PG_RETURN_INET_P(x)
Definition: inet.h:125
TransactionId backend_xmin
Definition: pgstat.h:1187
Datum pg_stat_reset(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1868
char ssl_version[NAMEDATALEN]
Definition: pgstat.h:983
Datum pg_stat_get_blocks_hit(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:216
Datum pg_stat_get_tuples_returned(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:56
PgStat_Counter n_tuples_returned
Definition: pgstat.h:597
PgStat_Counter vacuum_count
Definition: pgstat.h:654
SockAddr st_clientaddr
Definition: pgstat.h:1061
Datum pg_stat_get_backend_start(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1084
int errcode(int sqlerrcode)
Definition: elog.c:570
Datum pg_stat_get_db_checksum_last_failure(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1542
#define MemSet(start, val, len)
Definition: c.h:955
Datum pg_stat_get_snapshot_timestamp(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1851
Datum pg_stat_get_bgwriter_maxwritten_clean(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1619
PgStat_StatDBEntry * pgstat_fetch_stat_dbentry(Oid dbid)
Definition: pgstat.c:2432
TimestampTz stat_reset_timestamp
Definition: pgstat.h:616
Datum pg_stat_get_tuples_fetched(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:72
Datum pg_stat_get_backend_idset(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:398
Datum pg_stat_get_last_autoanalyze_time(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:285
instr_time f_total_time
Definition: pgstat.h:462
Datum pg_backend_pid(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:922
Datum pg_stat_get_xact_blocks_hit(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1801
PgStat_GlobalStats * pgstat_fetch_global(void)
Definition: pgstat.c:2621
HeapTuple heap_form_tuple(TupleDesc tupleDescriptor, Datum *values, bool *isnull)
Definition: heaptuple.c:1020
Datum pg_stat_get_db_tuples_returned(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1286
Datum pg_stat_get_numscans(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:40
#define DirectFunctionCall1(func, arg1)
Definition: fmgr.h:617
ProgressCommandType st_progress_command
Definition: pgstat.h:1096
int pg_strcasecmp(const char *s1, const char *s2)
Definition: pgstrcasecmp.c:36
PgStat_Counter numscans
Definition: pgstat.h:636
#define lengthof(array)
Definition: c.h:662
PgStat_TableCounts t_counts
Definition: pgstat.h:158
unsigned int Oid
Definition: postgres_ext.h:31
Datum pg_stat_get_buf_alloc(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1657
char ssl_client_serial[NAMEDATALEN]
Definition: pgstat.h:991
PgStat_Counter tuples_hot_updated
Definition: pgstat.h:644
PgStat_Counter f_total_time
Definition: pgstat.h:674
Datum pg_stat_get_db_temp_bytes(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1399
BackendState st_state
Definition: pgstat.h:1073
PgStat_Counter t_tuples_returned
Definition: pgstat.h:101
Datum pg_stat_get_backend_wait_event(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1014
#define PG_RETURN_TIMESTAMPTZ(x)
Definition: timestamp.h:40
char * st_clienthostname
Definition: pgstat.h:1062
#define SRF_PERCALL_SETUP()
Definition: funcapi.h:287
PgStat_Counter tuples_inserted
Definition: pgstat.h:641
PgStat_Counter f_numcalls
Definition: pgstat.h:461
Datum pg_stat_get_function_calls(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:363
Datum pg_stat_get_xact_function_self_time(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1838
Datum pg_stat_get_bgwriter_buf_written_checkpoints(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1607
LocalPgBackendStatus * pgstat_fetch_stat_local_beentry(int beid)
Definition: pgstat.c:2569
Datum pg_stat_get_db_tuples_deleted(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1350
signed int int32
Definition: c.h:346
#define PG_GETARG_TEXT_PP(n)
Definition: fmgr.h:303
PgStat_Counter n_xact_commit
Definition: pgstat.h:593
PgStat_ArchiverStats * pgstat_fetch_stat_archiver(void)
Definition: pgstat.c:2604
PgStat_TableStatus * find_tabstat_entry(Oid rel_id)
Definition: pgstat.c:1879
Datum pg_stat_get_tuples_updated(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:104
Oid st_databaseid
Definition: pgstat.h:1059
#define SRF_RETURN_NEXT(_funcctx, _result)
Definition: funcapi.h:289
#define PGSTAT_NUM_PROGRESS_PARAM
Definition: pgstat.h:962
PgStat_Counter n_blocks_fetched
Definition: pgstat.h:595
Datum pg_stat_get_db_stat_reset_time(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1365
PgStat_Counter n_live_tuples
Definition: pgstat.h:646
Datum pg_stat_get_db_blk_read_time(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1563
Datum pg_stat_get_backend_dbid(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:942
void pfree(void *pointer)
Definition: mcxt.c:1056
PgStat_FunctionCounts f_counts
Definition: pgstat.h:473
#define NI_MAXHOST
Definition: getaddrinfo.h:88
PgStat_Counter n_conflict_tablespace
Definition: pgstat.h:603
Datum pg_stat_get_db_xact_rollback(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1238
#define ObjectIdGetDatum(X)
Definition: postgres.h:507
#define ERROR
Definition: elog.h:43
Datum pg_stat_get_last_vacuum_time(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:231
TransactionId backend_xid
Definition: pgstat.h:1181
TimestampTz vacuum_timestamp
Definition: pgstat.h:653
PgStat_Counter t_tuples_updated
Definition: pgstat.h:105
Datum pg_stat_get_db_temp_files(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1383
#define TimestampTzGetDatum(X)
Definition: timestamp.h:32
PgStat_Counter n_dead_tuples
Definition: pgstat.h:647
Datum pg_stat_get_last_autovacuum_time(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:249
Datum pg_stat_get_backend_client_port(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1153
Datum pg_stat_get_xact_tuples_fetched(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1693
Datum pg_stat_get_buf_written_backend(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1645
TupleDesc BlessTupleDesc(TupleDesc tupdesc)
Definition: execTuples.c:2048
PgStat_Counter f_numcalls
Definition: pgstat.h:672
Datum pg_stat_get_xact_tuples_returned(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1678
PgStat_StatTabEntry * pgstat_fetch_stat_tabentry(Oid relid)
Definition: pgstat.c:2459
Datum pg_stat_get_live_tuples(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:152
PGPROC * AuxiliaryPidGetProc(int pid)
Definition: proc.c:986
PgStat_Counter n_tuples_inserted
Definition: pgstat.h:599
PgStat_Counter tuples_inserted
Definition: pgstat.h:167
Datum pg_stat_clear_snapshot(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1858
#define PG_GETARG_OID(n)
Definition: fmgr.h:270
Datum pg_stat_get_db_conflict_bufferpin(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1459
const char * pgstat_get_wait_event(uint32 wait_event_info)
Definition: pgstat.c:3557
Datum pg_stat_get_bgwriter_requested_checkpoints(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1601
char * st_activity_raw
Definition: pgstat.h:1085
#define CStringGetDatum(X)
Definition: postgres.h:578
Datum pg_stat_get_db_conflict_lock(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1429
#define NI_MAXSERV
Definition: getaddrinfo.h:91
PgStat_BackendFunctionEntry * find_funcstat_entry(Oid func_id)
Definition: pgstat.c:1674
PgStat_Counter tuples_fetched
Definition: pgstat.h:639
unsigned int uint32
Definition: c.h:358
PgStat_Counter n_conflict_snapshot
Definition: pgstat.h:605
Datum pg_stat_get_backend_activity_start(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1036
ACCEPT_TYPE_ARG3 salen
Definition: pqcomm.h:65
Datum numeric_in(PG_FUNCTION_ARGS)
Definition: numeric.c:573
Datum pg_stat_get_backend_activity(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:968
TimestampTz st_state_start_timestamp
Definition: pgstat.h:1056
PgStat_Counter n_tuples_deleted
Definition: pgstat.h:601
Datum Int64GetDatum(int64 X)
Definition: fmgr.c:1699
PgStat_Counter n_conflict_lock
Definition: pgstat.h:604
void TupleDescInitEntry(TupleDesc desc, AttrNumber attributeNumber, const char *attributeName, Oid oidtypeid, int32 typmod, int attdim)
Definition: tupdesc.c:603
char * st_appname
Definition: pgstat.h:1076
#define ereport(elevel, rest)
Definition: elog.h:141
PgStat_Counter t_blocks_hit
Definition: pgstat.h:115
void pgstat_reset_single_counter(Oid objoid, PgStat_Single_Reset_Type type)
Definition: pgstat.c:1364
struct PgStat_TableXactStatus * upper
Definition: pgstat.h:176
PgStat_Counter n_xact_rollback
Definition: pgstat.h:594
#define DirectFunctionCall3(func, arg1, arg2, arg3)
Definition: fmgr.h:621
Datum pg_stat_get_xact_tuples_hot_updated(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1771
Datum pg_stat_get_backend_xact_start(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1062
Datum pg_stat_get_vacuum_count(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:303
Datum pg_stat_get_autovacuum_count(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:318
PgStat_Counter t_tuples_deleted
Definition: pgstat.h:106
Tuplestorestate * tuplestore_begin_heap(bool randomAccess, bool interXact, int maxKBytes)
Definition: tuplestore.c:318
#define TransactionIdGetDatum(X)
Definition: postgres.h:521
Datum pg_stat_get_tuples_inserted(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:88
Datum pg_stat_get_db_blocks_fetched(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1254
PgBackendStatus backendStatus
Definition: pgstat.h:1175
uintptr_t Datum
Definition: postgres.h:367
PgStat_Counter tuples_deleted
Definition: pgstat.h:169
Datum pg_stat_get_tuples_hot_updated(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:136
#define PG_RETURN_DATUM(x)
Definition: fmgr.h:343
Datum pg_stat_get_xact_blocks_fetched(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1786
BackendType st_backendType
Definition: pgstat.h:1050
PgStat_Counter blocks_hit
Definition: pgstat.h:651
int work_mem
Definition: globals.c:121
TimestampTz analyze_timestamp
Definition: pgstat.h:657
Datum pg_stat_get_function_self_time(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:386
TimestampTz last_failed_timestamp
Definition: pgstat.h:691
PgStat_Counter changes_since_analyze
Definition: pgstat.h:648
PgStat_Counter t_numscans
Definition: pgstat.h:99
#define BoolGetDatum(X)
Definition: postgres.h:402
#define NI_NUMERICSERV
Definition: getaddrinfo.h:81
PgStat_MsgBgWriter bgwriterStats
#define InvalidOid
Definition: postgres_ext.h:36
int allowedModes
Definition: execnodes.h:303
Datum pg_stat_get_db_checksum_failures(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1524
PgStat_Counter n_tuples_updated
Definition: pgstat.h:600
#define PG_RETURN_VOID()
Definition: fmgr.h:339
bool is_member_of_role(Oid member, Oid role)
Definition: acl.c:4932
#define PG_RETURN_TEXT_P(x)
Definition: fmgr.h:361
Datum pg_stat_get_db_tuples_fetched(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1302
SetFunctionReturnMode returnMode
Definition: execnodes.h:305
text * cstring_to_text(const char *s)
Definition: varlena.c:171
Datum pg_stat_get_bgwriter_stat_reset_time(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1639
#define PG_ARGISNULL(n)
Definition: fmgr.h:204
int pgstat_fetch_stat_numbackends(void)
Definition: pgstat.c:2588
int pg_getnameinfo_all(const struct sockaddr_storage *addr, int salen, char *node, int nodelen, char *service, int servicelen, int flags)
Definition: ip.c:122
ProgressCommandType
Definition: pgstat.h:954
PgBackendStatus * pgstat_fetch_stat_beentry(int beid)
Definition: pgstat.c:2547
Datum pg_stat_reset_shared(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1877
PgStat_Counter failed_count
Definition: pgstat.h:688
PgStat_Counter n_block_write_time
Definition: pgstat.h:614
int64 st_progress_param[PGSTAT_NUM_PROGRESS_PARAM]
Definition: pgstat.h:1098
Datum inet_in(PG_FUNCTION_ARGS)
Definition: network.c:122
PgStat_Counter tuples_deleted
Definition: pgstat.h:643
Datum pg_stat_get_function_total_time(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:374
void pgstat_clear_snapshot(void)
Definition: pgstat.c:5796
MemoryContext multi_call_memory_ctx
Definition: funcapi.h:102
PgStat_Counter tuples_updated
Definition: pgstat.h:642
Datum pg_stat_get_backend_client_addr(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1106
void clean_ipv6_addr(int addr_family, char *addr)
Definition: network.c:2118
Datum pg_stat_get_db_tuples_inserted(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1318
Datum pg_stat_reset_single_table_counters(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1888
#define HeapTupleGetDatum(tuple)
Definition: funcapi.h:221
MemoryContext ecxt_per_query_memory
Definition: execnodes.h:231
TimestampTz autovac_vacuum_timestamp
Definition: pgstat.h:655
PgStat_Counter n_block_read_time
Definition: pgstat.h:613
struct PgStat_TableXactStatus * trans
Definition: pgstat.h:157
Datum pg_stat_get_db_blocks_hit(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1270
Tuplestorestate * setResult
Definition: execnodes.h:308
PgStat_Counter autovac_analyze_count
Definition: pgstat.h:660
Datum pg_stat_get_activity(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:547
static Datum values[MAXATTR]
Definition: bootstrap.c:167
char * text_to_cstring(const text *t)
Definition: varlena.c:204
ExprContext * econtext
Definition: execnodes.h:301
char * pgstat_clip_activity(const char *raw_activity)
Definition: pgstat.c:6544
#define Int32GetDatum(X)
Definition: postgres.h:479
TimestampTz stat_reset_timestamp
Definition: pgstat.h:692
TimestampTz last_archived_timestamp
Definition: pgstat.h:687
Datum pg_stat_get_backend_pid(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:929
void * user_fctx
Definition: funcapi.h:83
TupleDesc setDesc
Definition: execnodes.h:309
static zic_t trans[TZ_MAX_LEAPS]
Definition: zic.c:396
int errmsg(const char *fmt,...)
Definition: elog.c:784
PgStat_Counter n_deadlocks
Definition: pgstat.h:610
Datum pg_stat_get_bgwriter_timed_checkpoints(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1595
void * MemoryContextAlloc(MemoryContext context, Size size)
Definition: mcxt.c:796
TimestampTz st_xact_start_timestamp
Definition: pgstat.h:1054
#define elog(elevel,...)
Definition: elog.h:226
#define PG_STAT_GET_PROGRESS_COLS
int i
#define UINT32_ACCESS_ONCE(var)
Definition: pgstatfuncs.c:34
Datum pg_stat_get_xact_tuples_inserted(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1708
Datum pg_stat_get_xact_numscans(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1663
#define CStringGetTextDatum(s)
Definition: builtins.h:83
Datum pg_stat_get_blocks_fetched(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:200
Definition: c.h:549
#define PG_FUNCTION_ARGS
Definition: fmgr.h:188
Datum pg_stat_get_db_conflict_startup_deadlock(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1474
Datum pg_stat_get_backend_userid(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:955
#define TransactionIdIsValid(xid)
Definition: transam.h:41
PgStat_Counter f_self_time
Definition: pgstat.h:675
Definition: proc.h:95
PgStat_Counter blocks_fetched
Definition: pgstat.h:650
Datum pg_stat_get_dead_tuples(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:168
#define PG_RETURN_OID(x)
Definition: fmgr.h:350
TimestampTz st_proc_start_timestamp
Definition: pgstat.h:1053
Datum pg_stat_get_xact_tuples_deleted(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1750
Datum pg_stat_get_bgwriter_buf_written_clean(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1613
PgBackendSSLStatus * st_sslstatus
Definition: pgstat.h:1066
int16 AttrNumber
Definition: attnum.h:21
PgStat_Counter t_tuples_inserted
Definition: pgstat.h:104
void pgstat_reset_counters(void)
Definition: pgstat.c:1311
#define PG_RETURN_NULL()
Definition: fmgr.h:335
PgBackendGSSStatus * st_gssstatus
Definition: pgstat.h:1070
PgStat_Counter t_blocks_fetched
Definition: pgstat.h:114
PgStat_Counter n_tuples_fetched
Definition: pgstat.h:598
#define SRF_RETURN_DONE(_funcctx)
Definition: funcapi.h:307
char last_archived_wal[MAX_XFN_CHARS+1]
Definition: pgstat.h:685
PgStat_Counter autovac_vacuum_count
Definition: pgstat.h:656
Datum pg_stat_get_db_conflict_tablespace(PG_FUNCTION_ARGS)
Definition: pgstatfuncs.c:1414
PgStat_Counter n_temp_bytes
Definition: pgstat.h:609
#define SRF_FIRSTCALL_INIT()
Definition: funcapi.h:285