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peterepetere
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Code simplification
Initialize TriggerData to 0 for the whole struct together, instead of each field separately. Reviewed-by: Daniel Gustafsson <daniel@yesql.se> Discussion: https://www.postgresql.org/message-id/flat/11c5f156-67a9-0fb5-8200-2a8018eb2e0c@2ndquadrant.com
1 parent ef34ab4 commit 8f152b6

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2 files changed

+12
-70
lines changed

2 files changed

+12
-70
lines changed

‎src/backend/commands/tablecmds.c‎

Lines changed: 1 addition & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -10264,7 +10264,7 @@ validateForeignKeyConstraint(char *conname,
1026410264
while (table_scan_getnextslot(scan, ForwardScanDirection, slot))
1026510265
{
1026610266
LOCAL_FCINFO(fcinfo, 0);
10267-
TriggerData trigdata;
10267+
TriggerData trigdata = {0};
1026810268

1026910269
CHECK_FOR_INTERRUPTS();
1027010270

@@ -10283,8 +10283,6 @@ validateForeignKeyConstraint(char *conname,
1028310283
trigdata.tg_relation = rel;
1028410284
trigdata.tg_trigtuple = ExecFetchSlotHeapTuple(slot, false, NULL);
1028510285
trigdata.tg_trigslot = slot;
10286-
trigdata.tg_newtuple = NULL;
10287-
trigdata.tg_newslot = NULL;
1028810286
trigdata.tg_trigger = &trig;
1028910287

1029010288
fcinfo->context = (Node *) &trigdata;

‎src/backend/commands/trigger.c‎

Lines changed: 11 additions & 67 deletions
Original file line numberDiff line numberDiff line change
@@ -2140,7 +2140,7 @@ ExecBSInsertTriggers(EState *estate, ResultRelInfo *relinfo)
21402140
{
21412141
TriggerDesc *trigdesc;
21422142
inti;
2143-
TriggerData LocTriggerData;
2143+
TriggerData LocTriggerData = {0};
21442144

21452145
trigdesc = relinfo->ri_TrigDesc;
21462146

@@ -2158,12 +2158,6 @@ ExecBSInsertTriggers(EState *estate, ResultRelInfo *relinfo)
21582158
LocTriggerData.tg_event = TRIGGER_EVENT_INSERT |
21592159
TRIGGER_EVENT_BEFORE;
21602160
LocTriggerData.tg_relation = relinfo->ri_RelationDesc;
2161-
LocTriggerData.tg_trigtuple = NULL;
2162-
LocTriggerData.tg_newtuple = NULL;
2163-
LocTriggerData.tg_trigslot = NULL;
2164-
LocTriggerData.tg_newslot = NULL;
2165-
LocTriggerData.tg_oldtable = NULL;
2166-
LocTriggerData.tg_newtable = NULL;
21672161
for (i = 0; i < trigdesc->numtriggers; i++)
21682162
{
21692163
Trigger *trigger = &trigdesc->triggers[i];
@@ -2210,20 +2204,14 @@ ExecBRInsertTriggers(EState *estate, ResultRelInfo *relinfo,
22102204
TriggerDesc *trigdesc = relinfo->ri_TrigDesc;
22112205
HeapTuplenewtuple = NULL;
22122206
boolshould_free;
2213-
TriggerData LocTriggerData;
2207+
TriggerData LocTriggerData = {0};
22142208
inti;
22152209

22162210
LocTriggerData.type = T_TriggerData;
22172211
LocTriggerData.tg_event = TRIGGER_EVENT_INSERT |
22182212
TRIGGER_EVENT_ROW |
22192213
TRIGGER_EVENT_BEFORE;
22202214
LocTriggerData.tg_relation = relinfo->ri_RelationDesc;
2221-
LocTriggerData.tg_trigtuple = NULL;
2222-
LocTriggerData.tg_newtuple = NULL;
2223-
LocTriggerData.tg_trigslot = NULL;
2224-
LocTriggerData.tg_newslot = NULL;
2225-
LocTriggerData.tg_oldtable = NULL;
2226-
LocTriggerData.tg_newtable = NULL;
22272215
for (i = 0; i < trigdesc->numtriggers; i++)
22282216
{
22292217
Trigger *trigger = &trigdesc->triggers[i];
@@ -2292,20 +2280,14 @@ ExecIRInsertTriggers(EState *estate, ResultRelInfo *relinfo,
22922280
TriggerDesc *trigdesc = relinfo->ri_TrigDesc;
22932281
HeapTuplenewtuple = NULL;
22942282
boolshould_free;
2295-
TriggerData LocTriggerData;
2283+
TriggerData LocTriggerData = {0};
22962284
inti;
22972285

22982286
LocTriggerData.type = T_TriggerData;
22992287
LocTriggerData.tg_event = TRIGGER_EVENT_INSERT |
23002288
TRIGGER_EVENT_ROW |
23012289
TRIGGER_EVENT_INSTEAD;
23022290
LocTriggerData.tg_relation = relinfo->ri_RelationDesc;
2303-
LocTriggerData.tg_trigtuple = NULL;
2304-
LocTriggerData.tg_newtuple = NULL;
2305-
LocTriggerData.tg_trigslot = NULL;
2306-
LocTriggerData.tg_newslot = NULL;
2307-
LocTriggerData.tg_oldtable = NULL;
2308-
LocTriggerData.tg_newtable = NULL;
23092291
for (i = 0; i < trigdesc->numtriggers; i++)
23102292
{
23112293
Trigger *trigger = &trigdesc->triggers[i];
@@ -2357,7 +2339,7 @@ ExecBSDeleteTriggers(EState *estate, ResultRelInfo *relinfo)
23572339
{
23582340
TriggerDesc *trigdesc;
23592341
inti;
2360-
TriggerData LocTriggerData;
2342+
TriggerData LocTriggerData = {0};
23612343

23622344
trigdesc = relinfo->ri_TrigDesc;
23632345

@@ -2375,12 +2357,6 @@ ExecBSDeleteTriggers(EState *estate, ResultRelInfo *relinfo)
23752357
LocTriggerData.tg_event = TRIGGER_EVENT_DELETE |
23762358
TRIGGER_EVENT_BEFORE;
23772359
LocTriggerData.tg_relation = relinfo->ri_RelationDesc;
2378-
LocTriggerData.tg_trigtuple = NULL;
2379-
LocTriggerData.tg_newtuple = NULL;
2380-
LocTriggerData.tg_trigslot = NULL;
2381-
LocTriggerData.tg_newslot = NULL;
2382-
LocTriggerData.tg_oldtable = NULL;
2383-
LocTriggerData.tg_newtable = NULL;
23842360
for (i = 0; i < trigdesc->numtriggers; i++)
23852361
{
23862362
Trigger *trigger = &trigdesc->triggers[i];
@@ -2437,7 +2413,7 @@ ExecBRDeleteTriggers(EState *estate, EPQState *epqstate,
24372413
TupleTableSlot *slot = ExecGetTriggerOldSlot(estate, relinfo);
24382414
TriggerDesc *trigdesc = relinfo->ri_TrigDesc;
24392415
boolresult = true;
2440-
TriggerData LocTriggerData;
2416+
TriggerData LocTriggerData = {0};
24412417
HeapTupletrigtuple;
24422418
boolshould_free = false;
24432419
inti;
@@ -2476,12 +2452,6 @@ ExecBRDeleteTriggers(EState *estate, EPQState *epqstate,
24762452
TRIGGER_EVENT_ROW |
24772453
TRIGGER_EVENT_BEFORE;
24782454
LocTriggerData.tg_relation = relinfo->ri_RelationDesc;
2479-
LocTriggerData.tg_trigtuple = NULL;
2480-
LocTriggerData.tg_newtuple = NULL;
2481-
LocTriggerData.tg_trigslot = NULL;
2482-
LocTriggerData.tg_newslot = NULL;
2483-
LocTriggerData.tg_oldtable = NULL;
2484-
LocTriggerData.tg_newtable = NULL;
24852455
for (i = 0; i < trigdesc->numtriggers; i++)
24862456
{
24872457
HeapTuplenewtuple;
@@ -2554,20 +2524,14 @@ ExecIRDeleteTriggers(EState *estate, ResultRelInfo *relinfo,
25542524
{
25552525
TriggerDesc *trigdesc = relinfo->ri_TrigDesc;
25562526
TupleTableSlot *slot = ExecGetTriggerOldSlot(estate, relinfo);
2557-
TriggerData LocTriggerData;
2527+
TriggerData LocTriggerData = {0};
25582528
inti;
25592529

25602530
LocTriggerData.type = T_TriggerData;
25612531
LocTriggerData.tg_event = TRIGGER_EVENT_DELETE |
25622532
TRIGGER_EVENT_ROW |
25632533
TRIGGER_EVENT_INSTEAD;
25642534
LocTriggerData.tg_relation = relinfo->ri_RelationDesc;
2565-
LocTriggerData.tg_trigtuple = NULL;
2566-
LocTriggerData.tg_newtuple = NULL;
2567-
LocTriggerData.tg_trigslot = NULL;
2568-
LocTriggerData.tg_newslot = NULL;
2569-
LocTriggerData.tg_oldtable = NULL;
2570-
LocTriggerData.tg_newtable = NULL;
25712535

25722536
ExecForceStoreHeapTuple(trigtuple, slot, false);
25732537

@@ -2606,7 +2570,7 @@ ExecBSUpdateTriggers(EState *estate, ResultRelInfo *relinfo)
26062570
{
26072571
TriggerDesc *trigdesc;
26082572
inti;
2609-
TriggerData LocTriggerData;
2573+
TriggerData LocTriggerData = {0};
26102574
Bitmapset *updatedCols;
26112575

26122576
trigdesc = relinfo->ri_TrigDesc;
@@ -2627,12 +2591,6 @@ ExecBSUpdateTriggers(EState *estate, ResultRelInfo *relinfo)
26272591
LocTriggerData.tg_event = TRIGGER_EVENT_UPDATE |
26282592
TRIGGER_EVENT_BEFORE;
26292593
LocTriggerData.tg_relation = relinfo->ri_RelationDesc;
2630-
LocTriggerData.tg_trigtuple = NULL;
2631-
LocTriggerData.tg_newtuple = NULL;
2632-
LocTriggerData.tg_trigslot = NULL;
2633-
LocTriggerData.tg_newslot = NULL;
2634-
LocTriggerData.tg_oldtable = NULL;
2635-
LocTriggerData.tg_newtable = NULL;
26362594
for (i = 0; i < trigdesc->numtriggers; i++)
26372595
{
26382596
Trigger *trigger = &trigdesc->triggers[i];
@@ -2687,7 +2645,7 @@ ExecBRUpdateTriggers(EState *estate, EPQState *epqstate,
26872645
HeapTupletrigtuple;
26882646
boolshould_free_trig = false;
26892647
boolshould_free_new = false;
2690-
TriggerData LocTriggerData;
2648+
TriggerData LocTriggerData = {0};
26912649
inti;
26922650
Bitmapset *updatedCols;
26932651
LockTupleMode lockmode;
@@ -2740,8 +2698,6 @@ ExecBRUpdateTriggers(EState *estate, EPQState *epqstate,
27402698
TRIGGER_EVENT_ROW |
27412699
TRIGGER_EVENT_BEFORE;
27422700
LocTriggerData.tg_relation = relinfo->ri_RelationDesc;
2743-
LocTriggerData.tg_oldtable = NULL;
2744-
LocTriggerData.tg_newtable = NULL;
27452701
updatedCols = GetAllUpdatedColumns(relinfo, estate);
27462702
for (i = 0; i < trigdesc->numtriggers; i++)
27472703
{
@@ -2855,16 +2811,14 @@ ExecIRUpdateTriggers(EState *estate, ResultRelInfo *relinfo,
28552811
TupleTableSlot *oldslot = ExecGetTriggerOldSlot(estate, relinfo);
28562812
HeapTuplenewtuple = NULL;
28572813
boolshould_free;
2858-
TriggerData LocTriggerData;
2814+
TriggerData LocTriggerData = {0};
28592815
inti;
28602816

28612817
LocTriggerData.type = T_TriggerData;
28622818
LocTriggerData.tg_event = TRIGGER_EVENT_UPDATE |
28632819
TRIGGER_EVENT_ROW |
28642820
TRIGGER_EVENT_INSTEAD;
28652821
LocTriggerData.tg_relation = relinfo->ri_RelationDesc;
2866-
LocTriggerData.tg_oldtable = NULL;
2867-
LocTriggerData.tg_newtable = NULL;
28682822

28692823
ExecForceStoreHeapTuple(trigtuple, oldslot, false);
28702824

@@ -2920,7 +2874,7 @@ ExecBSTruncateTriggers(EState *estate, ResultRelInfo *relinfo)
29202874
{
29212875
TriggerDesc *trigdesc;
29222876
inti;
2923-
TriggerData LocTriggerData;
2877+
TriggerData LocTriggerData = {0};
29242878

29252879
trigdesc = relinfo->ri_TrigDesc;
29262880

@@ -2933,12 +2887,6 @@ ExecBSTruncateTriggers(EState *estate, ResultRelInfo *relinfo)
29332887
LocTriggerData.tg_event = TRIGGER_EVENT_TRUNCATE |
29342888
TRIGGER_EVENT_BEFORE;
29352889
LocTriggerData.tg_relation = relinfo->ri_RelationDesc;
2936-
LocTriggerData.tg_trigtuple = NULL;
2937-
LocTriggerData.tg_newtuple = NULL;
2938-
LocTriggerData.tg_trigslot = NULL;
2939-
LocTriggerData.tg_newslot = NULL;
2940-
LocTriggerData.tg_oldtable = NULL;
2941-
LocTriggerData.tg_newtable = NULL;
29422890

29432891
for (i = 0; i < trigdesc->numtriggers; i++)
29442892
{
@@ -3864,7 +3812,7 @@ AfterTriggerExecute(EState *estate,
38643812
Relationrel = relInfo->ri_RelationDesc;
38653813
AfterTriggerShared evtshared = GetTriggerSharedData(event);
38663814
Oidtgoid = evtshared->ats_tgoid;
3867-
TriggerData LocTriggerData;
3815+
TriggerData LocTriggerData = {0};
38683816
HeapTuplerettuple;
38693817
inttgindx;
38703818
boolshould_free_trig = false;
@@ -3873,10 +3821,6 @@ AfterTriggerExecute(EState *estate,
38733821
/*
38743822
* Locate trigger in trigdesc.
38753823
*/
3876-
LocTriggerData.tg_trigger = NULL;
3877-
LocTriggerData.tg_trigslot = NULL;
3878-
LocTriggerData.tg_newslot = NULL;
3879-
38803824
for (tgindx = 0; tgindx < trigdesc->numtriggers; tgindx++)
38813825
{
38823826
if (trigdesc->triggers[tgindx].tgoid == tgoid)

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