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Fix rescan of IndexScan node with the new lossy GiST distance functions.

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Must reset the "reached end" flag and reorder queue at rescan.

Per report from Regina Obe, bug #13349
This commit is contained in:
Heikki Linnakangas
2015-05-25 14:42:21 +03:00
parent 266b6984cd
commit 12e6c5a6ca
1 changed files with 8 additions and 0 deletions
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8
src/backend/executor/nodeIndexscan.c
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@ -532,10 +532,18 @@ ExecReScanIndexScan(IndexScanState *node)
}
node->iss_RuntimeKeysReady = true;
/* flush the reorder queue */
if (node->iss_ReorderQueue)
{
while (!pairingheap_is_empty(node->iss_ReorderQueue))
reorderqueue_pop(node);
}
/* reset index scan */
index_rescan(node->iss_ScanDesc,
node->iss_ScanKeys, node->iss_NumScanKeys,
node->iss_OrderByKeys, node->iss_NumOrderByKeys);
node->iss_ReachedEnd = false;
ExecScanReScan(&node->ss);
}