|
26 | 26 | * |
27 | 27 | * |
28 | 28 | * IDENTIFICATION |
29 | | - * $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.72 1999/02/07 13:37:55 wieck Exp $ |
| 29 | + * $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.73 1999/02/07 13:54:58 wieck Exp $ |
30 | 30 | * |
31 | 31 | *------------------------------------------------------------------------- |
32 | 32 | */ |
@@ -131,14 +131,19 @@ ExecutorStart(QueryDesc *queryDesc, EState *estate) |
131 | 131 | /* |
132 | 132 | * Make our own private copy of the current queries snapshot data |
133 | 133 | */ |
134 | | -estate->es_snapshot= (Snapshot)palloc(sizeof(SnapshotData)); |
135 | | -memcpy(estate->es_snapshot,QuerySnapshot,sizeof(SnapshotData)); |
136 | | -if (estate->es_snapshot->xcnt>0) |
| 134 | +if (QuerySnapshot==NULL) |
| 135 | +estate->es_snapshot=NULL |
| 136 | +else |
137 | 137 | { |
138 | | -estate->es_snapshot->xip= (TransactionId*) |
| 138 | +estate->es_snapshot= (Snapshot)palloc(sizeof(SnapshotData)); |
| 139 | +memcpy(estate->es_snapshot,QuerySnapshot,sizeof(SnapshotData)); |
| 140 | +if (estate->es_snapshot->xcnt>0) |
| 141 | +{ |
| 142 | +estate->es_snapshot->xip= (TransactionId*) |
139 | 143 | palloc(estate->es_snapshot->xcnt*sizeof(TransactionId)); |
140 | | -memcpy(estate->es_snapshot->xip,QuerySnapshot->xip, |
| 144 | +memcpy(estate->es_snapshot->xip,QuerySnapshot->xip, |
141 | 145 | estate->es_snapshot->xcnt*sizeof(TransactionId)); |
| 146 | +} |
142 | 147 | } |
143 | 148 |
|
144 | 149 | /* |
|
