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Commit2c8514d

Browse files
author
dmitry
committed
initial commit
add fields isregularbackend, databaseid, roleid to _history view
1 parent3c1046c commit2c8514d

5 files changed

+59
-19
lines changed

‎collector.c

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -175,6 +175,9 @@ probe_waits(History *observations, HTAB *profile_hash,
175175
item.queryId=0;
176176

177177
item.ts=ts;
178+
item.isRegularBackend= !(proc->isBackgroundWorker);
179+
item.databaseId=proc->databaseId;
180+
item.roleId=proc->roleId;
178181

179182
/* Write to the history if needed */
180183
if (write_history)

‎pg_wait_sampling--1.0--1.1.sql

Lines changed: 8 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -22,11 +22,14 @@ DROP FUNCTION pg_wait_sampling_get_profile (
2222
) CASCADE;
2323

2424
CREATEFUNCTIONpg_wait_sampling_get_current (
25-
pid int4,
26-
OUT pid int4,
27-
OUT event_typetext,
28-
OUT eventtext,
29-
OUT queryid int8
25+
pid int4,
26+
OUT pid int4,
27+
OUT event_typetext,
28+
OUT eventtext,
29+
OUT queryid int8,
30+
OUT isregularbackendboolean,
31+
OUT databaseidoid,
32+
OUT roleidoid
3033
)
3134
RETURNS SETOF record
3235
AS'MODULE_PATHNAME'

‎pg_wait_sampling--1.1.sql

Lines changed: 12 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -4,11 +4,14 @@
44
\echo Use"CREATE EXTENSION pg_wait_sampling" to load this file. \quit
55

66
CREATEFUNCTIONpg_wait_sampling_get_current (
7-
pid int4,
8-
OUT pid int4,
9-
OUT event_typetext,
10-
OUT eventtext,
11-
OUT queryid int8
7+
pid int4,
8+
OUT pid int4,
9+
OUT event_typetext,
10+
OUT eventtext,
11+
OUT queryid int8,
12+
OUT isregularbackendboolean,
13+
OUT databaseidoid,
14+
OUT roleidoid
1215
)
1316
RETURNS SETOF record
1417
AS'MODULE_PATHNAME'
@@ -24,7 +27,10 @@ CREATE FUNCTION pg_wait_sampling_get_history (
2427
OUT tstimestamptz,
2528
OUT event_typetext,
2629
OUT eventtext,
27-
OUT queryid int8
30+
OUT queryid int8,
31+
OUT isregularbackendboolean,
32+
OUT databaseidoid,
33+
OUT roleidoid
2834
)
2935
RETURNS SETOF record
3036
AS'MODULE_PATHNAME'

‎pg_wait_sampling.c

Lines changed: 32 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -514,7 +514,7 @@ pg_wait_sampling_get_current(PG_FUNCTION_ARGS)
514514
params->ts=GetCurrentTimestamp();
515515

516516
funcctx->user_fctx=params;
517-
tupdesc=CreateTemplateTupleDesc(4);
517+
tupdesc=CreateTemplateTupleDesc(7);
518518
TupleDescInitEntry(tupdesc, (AttrNumber)1,"pid",
519519
INT4OID,-1,0);
520520
TupleDescInitEntry(tupdesc, (AttrNumber)2,"type",
@@ -523,6 +523,12 @@ pg_wait_sampling_get_current(PG_FUNCTION_ARGS)
523523
TEXTOID,-1,0);
524524
TupleDescInitEntry(tupdesc, (AttrNumber)4,"queryid",
525525
INT8OID,-1,0);
526+
TupleDescInitEntry(tupdesc, (AttrNumber)5,"isregularbackend",
527+
BOOLOID,-1,0);
528+
TupleDescInitEntry(tupdesc, (AttrNumber)6,"databaseid",
529+
OIDOID,-1,0);
530+
TupleDescInitEntry(tupdesc, (AttrNumber)7,"roleid",
531+
OIDOID,-1,0);
526532

527533
funcctx->tuple_desc=BlessTupleDesc(tupdesc);
528534

@@ -540,6 +546,9 @@ pg_wait_sampling_get_current(PG_FUNCTION_ARGS)
540546
item->pid=proc->pid;
541547
item->wait_event_info=proc->wait_event_info;
542548
item->queryId=pgws_proc_queryids[proc-ProcGlobal->allProcs];
549+
item->isRegularBackend= !(proc->isBackgroundWorker);
550+
item->databaseId=proc->databaseId;
551+
item->roleId=proc->roleId;
543552
funcctx->max_calls=1;
544553
}
545554
else
@@ -562,6 +571,9 @@ pg_wait_sampling_get_current(PG_FUNCTION_ARGS)
562571
params->items[j].pid=proc->pid;
563572
params->items[j].wait_event_info=proc->wait_event_info;
564573
params->items[j].queryId=pgws_proc_queryids[i];
574+
params->items[j].isRegularBackend= !(proc->isBackgroundWorker);
575+
params->items[j].databaseId=proc->databaseId;
576+
params->items[j].roleId=proc->roleId;
565577
j++;
566578
}
567579
funcctx->max_calls=j;
@@ -579,8 +591,8 @@ pg_wait_sampling_get_current(PG_FUNCTION_ARGS)
579591
if (funcctx->call_cntr<funcctx->max_calls)
580592
{
581593
HeapTupletuple;
582-
Datumvalues[4];
583-
boolnulls[4];
594+
Datumvalues[7];
595+
boolnulls[7];
584596
constchar*event_type,
585597
*event;
586598
HistoryItem*item;
@@ -604,6 +616,9 @@ pg_wait_sampling_get_current(PG_FUNCTION_ARGS)
604616
nulls[2]= true;
605617

606618
values[3]=UInt64GetDatum(item->queryId);
619+
values[4]=BoolGetDatum(item->isRegularBackend);
620+
values[5]=ObjectIdGetDatum(item->databaseId);
621+
values[6]=ObjectIdGetDatum(item->roleId);
607622
tuple=heap_form_tuple(funcctx->tuple_desc,values,nulls);
608623

609624
SRF_RETURN_NEXT(funcctx,HeapTupleGetDatum(tuple));
@@ -858,7 +873,7 @@ pg_wait_sampling_get_history(PG_FUNCTION_ARGS)
858873
funcctx->max_calls=history->count;
859874

860875
/* Make tuple descriptor */
861-
tupdesc=CreateTemplateTupleDesc(5);
876+
tupdesc=CreateTemplateTupleDesc(8);
862877
TupleDescInitEntry(tupdesc, (AttrNumber)1,"pid",
863878
INT4OID,-1,0);
864879
TupleDescInitEntry(tupdesc, (AttrNumber)2,"sample_ts",
@@ -869,6 +884,13 @@ pg_wait_sampling_get_history(PG_FUNCTION_ARGS)
869884
TEXTOID,-1,0);
870885
TupleDescInitEntry(tupdesc, (AttrNumber)5,"queryid",
871886
INT8OID,-1,0);
887+
TupleDescInitEntry(tupdesc, (AttrNumber)6,"isregularbackend",
888+
BOOLOID,-1,0),
889+
TupleDescInitEntry(tupdesc, (AttrNumber)7,"databaseid",
890+
OIDOID,-1,0),
891+
TupleDescInitEntry(tupdesc, (AttrNumber)8,"roleid",
892+
OIDOID,-1,0);
893+
872894
funcctx->tuple_desc=BlessTupleDesc(tupdesc);
873895

874896
MemoryContextSwitchTo(oldcontext);
@@ -883,8 +905,8 @@ pg_wait_sampling_get_history(PG_FUNCTION_ARGS)
883905
{
884906
HeapTupletuple;
885907
HistoryItem*item;
886-
Datumvalues[5];
887-
boolnulls[5];
908+
Datumvalues[8];
909+
boolnulls[8];
888910
constchar*event_type,
889911
*event;
890912

@@ -908,6 +930,9 @@ pg_wait_sampling_get_history(PG_FUNCTION_ARGS)
908930
nulls[3]= true;
909931

910932
values[4]=UInt64GetDatum(item->queryId);
933+
values[5]=BoolGetDatum(item->isRegularBackend);
934+
values[6]=ObjectIdGetDatum(item->databaseId);
935+
values[7]=ObjectIdGetDatum(item->roleId);
911936
tuple=heap_form_tuple(funcctx->tuple_desc,values,nulls);
912937

913938
history->index++;
@@ -1161,4 +1186,4 @@ pgws_ProcessUtility(PlannedStmt *pstmt,
11611186
PG_RE_THROW();
11621187
}
11631188
PG_END_TRY();
1164-
}
1189+
}

‎pg_wait_sampling.h

Lines changed: 4 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -34,6 +34,9 @@ typedef struct
3434
intpid;
3535
uint32wait_event_info;
3636
uint64queryId;
37+
boolisRegularBackend;
38+
OiddatabaseId;
39+
OidroleId;
3740
TimestampTzts;
3841
}HistoryItem;
3942

@@ -78,4 +81,4 @@ extern bool pgws_should_sample_proc(PGPROC *proc, int *pid_p, uint32 *wait_event
7881
externvoidpgws_register_wait_collector(void);
7982
externPGDLLEXPORTvoidpgws_collector_main(Datummain_arg);
8083

81-
#endif
84+
#endif

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