/*
* Allow rescanning an index.
*/
void
ExecDynamicIndexReScan(DynamicIndexScanState *node, ExprContext *exprCtxt)
{
DynamicIndexScanEndCurrentScan(node);
/* Force reloading the hash table */
node->pidxIndex = NULL;
/* Context for runtime keys */
ExprContext *econtext = node->indexScanState.iss_RuntimeContext;
if (econtext)
{
/*
* If we are being passed an outer tuple, save it for runtime key
* calc. We also need to link it into the "regular" per-tuple
* econtext, so it can be used during indexqualorig evaluations.
*/
if (exprCtxt != NULL)
{
econtext->ecxt_outertuple = exprCtxt->ecxt_outertuple;
ExprContext *stdecontext = node->indexScanState.ss.ps.ps_ExprContext;
stdecontext->ecxt_outertuple = exprCtxt->ecxt_outertuple;
}
/*
* Reset the runtime-key context so we don't leak memory as each outer
* tuple is scanned. Note this assumes that we will recalculate *all*
* runtime keys on each call.
*/
ResetExprContext(econtext);
}
CheckSendPlanStateGpmonPkt(&node->indexScanState.ss.ps);
}
/*
* Release resources of DynamicIndexScan
*/
void
ExecEndDynamicIndexScan(DynamicIndexScanState *node)
{
DynamicIndexScanEndCurrentScan(node);
IndexScanState *indexState = &(node->indexScanState);
FreeRuntimeKeysContext((IndexScanState *) node);
EndPlanStateGpmonPkt(&indexState->ss.ps);
MemoryContextDelete(node->partitionMemoryContext);
}
