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#5884 Avro Maps can't be flattened in Kafka Indexing #7254

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chrishardis wants to merge 1 commit into from
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#5884 Avro Maps can't be flattened in Kafka Indexing #7254

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10 changes: 9 additions & 1 deletion ...-core/avro-extensions/src/main/java/io/druid/data/input/avro/GenericAvroJsonProvider.java
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
import com.jayway.jsonpath.spi.json.JsonProvider;
import org.apache.avro.Schema;
import org.apache.avro.generic.GenericRecord;
import org.apache.avro.util.Utf8;

import java.io.InputStream;
import java.util.ArrayList;
Expand Down Expand Up @@ -135,13 +136,20 @@ public void setArrayIndex(final Object o, final int i, final Object o1)
}
}

private Object transformAvroMapKey(String keyToTransform, Map avroMapObj) {
Object key = avroMapObj.keySet().iterator().next();
if (key instanceof Utf8) {
return new Utf8(keyToTransform);
}
return keyToTransform;
}
@Override
public Object getMapValue(final Object o, final String s)
{
if (o instanceof GenericRecord) {
return ((GenericRecord) o).get(s);
} else if (o instanceof Map) {
return ((Map) o).get(s);
return ((Map) o).get(transformAvroMapKey(s,(Map) o));
} else {
throw new UnsupportedOperationException(o.getClass().getName());
}
Expand Down