private void debugLog(final String message) {
    if (LOG.isDebugEnabled()) {
      if (LOG.isTraceEnabled()) {
        LOG.debug("{}", message, new Exception("Debug Dump Stack Trace (Not an Exception)"));
      } else {
        LOG.debug("{}", message);
      }
    }
  }
Get partition's column stats

@return Map of column name and its stats
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java