clintropolis commented on a change in pull request #7258: #5884 Avro Maps can't
be flattened in Kafka Indexing on master
URL: https://github.com/apache/incubator-druid/pull/7258#discussion_r265322105
##########
File path:
extensions-core/avro-extensions/src/main/java/org/apache/druid/data/input/avro/GenericAvroJsonProvider.java
##########
@@ -137,7 +138,15 @@ public void setArrayIndex(final Object o, final int i,
final Object o1)
throw new UnsupportedOperationException();
}
}
-
+
+ private Object transformAvroMapKey(String keyToTransform, Map avroMapObj) {
+ Object key = avroMapObj.keySet().iterator().next();
Review comment:
Will this work if the map is empty?
It might be more straightforward to just do something like this in
`getMapValue`
```
...
} else if (o instanceof Map) {
final Map theMap = (Map) o;
if (theMap.containsKey(s)) {
return theMap.get(s);
} else {
final Utf8 utf8Key = new Utf8(s);
return theMap.get(utf8Key);
}
}
...
```
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