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Commite826954

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Fix bugs in save/restore/release savepoint mechanism
1 parent6f0ebdc commite826954

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1 file changed

+4
-1
lines changed
  • src/backend/access/transam

1 file changed

+4
-1
lines changed

‎src/backend/access/transam/xact.c

Lines changed: 4 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -207,6 +207,7 @@ static TransactionStateData TopTransactionStateData = {
207207
0,/* subtransaction id */
208208
NULL,/* savepoint name */
209209
0,/* savepoint level */
210+
NULL,/* savepoint context */
210211
TRANS_DEFAULT,/* transaction state */
211212
TBLOCK_DEFAULT,/* transaction block state from the client
212213
* perspective */
@@ -4096,7 +4097,6 @@ DefineSavepoint(char *name)
40964097
*/
40974098
if (name)
40984099
s->name=MemoryContextStrdup(TopTransactionContext,name);
4099-
s->savepointContext=TM->CreateSavepointContext();
41004100
break;
41014101

41024102
/* These cases are invalid. */
@@ -5085,6 +5085,7 @@ PushTransaction(void)
50855085
GetUserIdAndSecContext(&s->prevUser,&s->prevSecContext);
50865086
s->prevXactReadOnly=XactReadOnly;
50875087
s->parallelModeLevel=0;
5088+
s->savepointContext=TM->CreateSavepointContext();
50885089

50895090
CurrentTransactionState=s;
50905091

@@ -5115,7 +5116,9 @@ PopTransaction(void)
51155116
if (s->parent==NULL)
51165117
elog(FATAL,"PopTransaction with no parent");
51175118

5119+
TM->ReleaseSavepointContext(s->savepointContext);
51185120
CurrentTransactionState=s->parent;
5121+
TM->RestoreSavepointContext(CurrentTransactionState->savepointContext);
51195122

51205123
/* Let's just make sure CurTransactionContext is good */
51215124
CurTransactionContext=s->parent->curTransactionContext;

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