benwtrent commented on code in PR #13033:
URL: https://github.com/apache/lucene/pull/13033#discussion_r1466767966
##########
lucene/core/src/java/org/apache/lucene/search/PointRangeQuery.java:
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@@ -290,6 +290,24 @@ public ScorerSupplier scorerSupplier(LeafReaderContext
context) throws IOExcepti
return null;
}
+ if (values.getDocCount() == 0) {
+ return null;
+ } else {
Review Comment:
From what I can tell, `ScorerSupplier` is an optional interface, which is
probably just fine for most things (I am unsure which queries satisfy it or if
we care).
I am not 100% sure the expensive part we are trying to bypass. But in a
`BooleanQuery`, if we hit an "expensiveScorerSupplier" first, we will call
`scorerSupplier.cost()` on that "expensiveScorerSupplier". If this is fine &
still allows for the biggest optimizations (bypassing
`scorerSupplier.get(leadCost)`), then this solution is rather nice!
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