public static void removeColumnStatsState(Map<String, String> params, List<String> colNames) {
    if (params == null) {
      return;
    }
    ColumnStatsAccurate stats = parseStatsAcc(params.get(COLUMN_STATS_ACCURATE));
    colNames.forEach(colName ->
        stats.columnStats.remove(colName.toLowerCase()));

    try {      
      params.put(COLUMN_STATS_ACCURATE, ColumnStatsAccurate.objectWriter.writeValueAsString(stats));
    } catch (JsonProcessingException e) {
      LOG.trace(e.getMessage());
    }
  }
@param params table/partition parameters
@return the list of column names for which the stats are available.
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/common/StatsSetupConst.java