default void preTruncateTable(Table table, EnvironmentContext context, List<String> partNames) throws MetaException {
    // Do nothing
  }
Called before deleting the data and statistics from the table in the metastore during TRUNCATE TABLE.
@param table table to be truncated
@param context context of the truncate operation
@throws MetaException
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaHook.java