madrob commented on a change in pull request #1371:
URL: https://github.com/apache/lucene-solr/pull/1371#discussion_r414654670
##########
File path:
solr/core/src/java/org/apache/solr/search/CollapsingQParserPlugin.java
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@@ -218,7 +245,7 @@ public static GroupHeadSelector build(final SolrParams
localParams) {
public String hint;
private boolean needsScores = true;
private boolean needsScores4Collapsing = false;
- private int nullPolicy;
+ private NullPolicy nullPolicy;
private Set<BytesRef> boosted; // ordered by "priority"
public static final int NULL_POLICY_IGNORE = 0;
Review comment:
These constants can be removed and everything routed through the
NullPolicy enum. Same for the `NULL_COLLAPSE` string above and others.
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