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Fix node copy error 

Instead of directly returning heap tuple obtained from heap scan
we return copied version of it.
pull/1938/head
Burak Yucesoy 2017-04-17 19:28:19 +03:00
parent 24eecde0cc
commit 5aefe20725
1 changed files with 4 additions and 1 deletions
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5
src/backend/distributed/utils/node_metadata.c
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@ -639,6 +639,7 @@ GetNodeTuple(char *nodeName, int32 nodePort)
ScanKeyData scanKey[scanKeyCount]; ScanKeyData scanKey[scanKeyCount];
SysScanDesc scanDescriptor = NULL; SysScanDesc scanDescriptor = NULL;
HeapTuple heapTuple = NULL; HeapTuple heapTuple = NULL;
HeapTuple nodeTuple = NULL;
ScanKeyInit(&scanKey[0], Anum_pg_dist_node_nodename, ScanKeyInit(&scanKey[0], Anum_pg_dist_node_nodename,
BTEqualStrategyNumber, F_TEXTEQ, CStringGetTextDatum(nodeName)); BTEqualStrategyNumber, F_TEXTEQ, CStringGetTextDatum(nodeName));
@ -654,10 +655,12 @@ GetNodeTuple(char *nodeName, int32 nodePort)
nodeName, nodePort))); nodeName, nodePort)));
} }
nodeTuple = heap_copytuple(heapTuple);
systable_endscan(scanDescriptor); systable_endscan(scanDescriptor);
heap_close(pgDistNode, AccessShareLock); heap_close(pgDistNode, AccessShareLock);
return heapTuple; return nodeTuple;
} }