public static ColumnMappings parseColumnsMapping(String columnsMappingSpec)
      throws SerDeException {
    return parseColumnsMapping(columnsMappingSpec, true);
  }
Defines if the prefix column from hbase should be hidden.
It works only when @HBASE_COLUMNS_REGEX_MATCHING is true.
Default value of this parameter is false
hbase-handler/src/java/org/apache/hadoop/hive/hbase/HBaseSerDe.java