Merge pull request #5360 from ghalliday/issue10801

HPCC-10801 Don't generate through spills for roxie or thor

Reviewed-By: Jamie Noss <james.noss@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>

ecl/hqlcpp/hqlresource.cpp

@@ -1883,7 +1883,7 @@ EclResourcer::EclResourcer(IErrorReceiver * _errors, IConstWorkUnit * _wu, Clust
     options.isChildQuery = false;
     options.targetClusterType = targetClusterType;
     options.filteredSpillThreshold = _translatorOptions.filteredReadSpillThreshold;
-    options.allowThroughSpill = _translatorOptions.allowThroughSpill;
+    options.allowThroughSpill = (targetClusterType != RoxieCluster) && (targetClusterType != ThorLCRCluster) && _translatorOptions.allowThroughSpill;
     options.allowThroughResult = (targetClusterType != RoxieCluster) && (targetClusterType != ThorLCRCluster);
     options.cloneFilteredIndex = (targetClusterType != RoxieCluster);
     options.spillSharedConditionals = (targetClusterType == RoxieCluster);