public ColumnStatisticsObj getColStatsObj() {
      return colStatsObj;
    }
Mask out all sensitive information from the jdbc connection url string.
@param connectionURL the connection url, can be null
@return the anonymized connection url , can be null
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/utils/MetaStoreServerUtils.java