@Override
    public List<UniqueKey<Record>> getUniqueKeys() {
        return Arrays.asList(Keys.KEY_ZIPKIN_ANNOTATIONS_TRACE_ID_HIGH);
    }
Create a <code>zipkin.zipkin_annotations</code> table reference
zipkin-storage/mysql-v1/src/main/java/zipkin2/storage/mysql/v1/internal/generated/tables/ZipkinAnnotations.java