[jira] [Created] (HIVE-8955) alter partition should check for "hive.stats.autogather" in hiveConf

["Pankit Thapar (JIRA)" <ji...@apache.org>]

Pankit Thapar created HIVE-8955:
-----------------------------------

             Summary: alter partition should check for "hive.stats.autogather" in hiveConf
                 Key: HIVE-8955
                 URL: https://issues.apache.org/jira/browse/HIVE-8955
             Project: Hive
          Issue Type: Improvement
          Components: Metastore
    Affects Versions: 0.13.1
            Reporter: Pankit Thapar
             Fix For: 0.15.0


When alter partition code path is triggered, it should check for the flag "hive.stats.autogather", if it is true, then only updateStats else skip them.
This is done in append_partition code flow. 
Is there any specific reason the alter_partition does not respect this conf variable?

//code snippet : HiveMetastore.java 
 private Partition append_partition_common(RawStore ms, String dbName, String tableName,
        List<String> part_vals, EnvironmentContext envContext) throws InvalidObjectException,
        AlreadyExistsException, MetaException {
...
....
        if (HiveConf.getBoolVar(hiveConf, HiveConf.ConfVars.HIVESTATSAUTOGATHER) &&
            !MetaStoreUtils.isView(tbl)) {
          MetaStoreUtils.updatePartitionStatsFast(part, wh, madeDir);
        }
...
...
}

The above code snippet checks for the variable but this same check is absent in 

//code snippet : HiveAlterHandler.java 
public Partition alterPartition(final RawStore msdb, Warehouse wh, final String dbname,
      final String name, final List<String> part_vals, final Partition new_part)
      throws InvalidOperationException, InvalidObjectException, AlreadyExistsException,
      MetaException {

....
...
}




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