nozjkoitop commented on code in PR #19548:
URL: https://github.com/apache/druid/pull/19548#discussion_r3490445484
##########
processing/src/main/java/org/apache/druid/query/dimension/LookupDimensionSpec.java:
##########
@@ -136,18 +139,51 @@ public String getName()
@Override
public ExtractionFn getExtractionFn()
{
- final LookupExtractor lookupExtractor;
+ final LookupExtractor lookupExtractor = getLookupExtractor();
+ return makeLookupExtractionFn(lookupExtractor);
+ }
+
+ @Override
+ public ExtractionFn getExtractionFnForMetadata()
+ {
+ return makeLookupExtractionFn(getLookupExtractorForMetadata());
+ }
+
+ private LookupExtractor getLookupExtractor()
+ {
+ if (Strings.isNullOrEmpty(name)) {
+ return this.lookup;
+ }
+
+ final LookupExtractorFactory lookupExtractorFactory =
getLookupExtractorFactory();
+ final Optional<RetainedLookupExtractor> retainedLookupExtractor =
+ lookupExtractorFactory.acquireRetainedLookupExtractor();
+
+ // ExtractionFn has no close hook. The RetainedLookupExtractor cleaner
releases this reference when the
+ // LookupExtractionFn that owns it becomes unreachable.
+ return retainedLookupExtractor.<LookupExtractor>map(retained ->
retained).orElseGet(lookupExtractorFactory);
Review Comment:
fair, updated
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