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refactor(processor): pass Intersect's survivor count explicitly between rounds #1382

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refactor(processor): pass Intersect's survivor count explicitly between rounds #1382

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4 changes: 3 additions & 1 deletion src/processor/operator/intersect/intersect.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -170,7 +170,9 @@ void Intersect::intersectLists() {
// Here we need to slice all selVectors that have been previously intersected, as all these
// lists need to be selected synchronously to read payloads correctly.
sliceSelVectors(selVectorsForIntersectedLists, leftSelVector);
leftSelVector.setToUnfiltered();
// twoWayIntersect moved the surviving left IDs to the front of outKeyVector, so the next
// round reads its first getSelSize() entries in order.
leftSelVector.setToUnfiltered(leftSelVector.getSelSize());
selVectorsForIntersectedLists.push_back(intersectSelVectors[i + 1].get());
}
outKeyVector->state->getSelVectorUnsafe().setSelSize(leftSelVector.getSelSize());
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