[jira] [Assigned] (IMPALA-8896) alterPartitionsWithTransaction() emits too many alter table operations

["Zoltán Borók-Nagy (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-8896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zoltán Borók-Nagy reassigned IMPALA-8896:
-----------------------------------------

    Assignee: Zoltán Borók-Nagy

> alterPartitionsWithTransaction() emits too many alter table operations
> ----------------------------------------------------------------------
>
>                 Key: IMPALA-8896
>                 URL: https://issues.apache.org/jira/browse/IMPALA-8896
>             Project: IMPALA
>          Issue Type: Bug
>            Reporter: Zoltán Borók-Nagy
>            Assignee: Zoltán Borók-Nagy
>            Priority: Major
>
> alterPartitionsWithTransaction() has a for loop that updates the write ids of the partitions.
> Unfortunately it also does an RPC inside the for loop that updates all partitions. This could be done outside of the for loop.
>   public static void alterPartitionsWithTransaction(IMetaStoreClient client,      String dbName, String tblName, List<Partition> partitions, TblTransaction tblTxn
>       ) throws InvalidOperationException, MetaException, TException {    for (Partition part : partitions) {
>       part.setWriteId(tblTxn.writeId);      // Correct validWriteIdList is needed      // to commit the alter partitions operation in hms side.      client.alter_partitions(dbName, tblName, partitions, null,
>            tblTxn.validWriteIds, tblTxn.writeId);
>     }
>   }



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