@Override
  public boolean isIndexed(String column) {
    return indexTable != null
        && (indexColumns.isEmpty() || indexColumns.contains("*")
        || this.indexColumns.contains(column.toLowerCase())
        || this.indexColumns.contains(column.toUpperCase()));

  }
Test if column is defined in the index table.

@param column - hive column name
@return true if the column is defined as part of the index table
accumulo-handler/src/java/org/apache/hadoop/hive/accumulo/AccumuloDefaultIndexScanner.java