private String getIndexName(Index index, Object key) {
    String indexName;
    if ((index instanceof MapRangeIndex || index instanceof CompactMapRangeIndex)
        && key instanceof Object[]) {
      indexName = index.getName() + "-" + ((Object[]) key)[1];
    } else {
      indexName = index.getName();
    }
    return indexName;
  }
appends the size of the lookup to the last index name in the list
geode-core/src/main/java/org/apache/geode/cache/query/internal/IndexTrackingQueryObserver.java