[jira] [Created] (HIVE-19718) Adding partitions in bulk also fetches table for each partition

["Alexander Kolbasov (JIRA)" <ji...@apache.org>]

Alexander Kolbasov created HIVE-19718:
-----------------------------------------

             Summary: Adding partitions in bulk also fetches table for each partition
                 Key: HIVE-19718
                 URL: https://issues.apache.org/jira/browse/HIVE-19718
             Project: Hive
          Issue Type: Bug
          Components: Metastore
    Affects Versions: 3.0.0
         Environment: Looking at {{convertToMPart}}:

{code:Java}
  private MPartition convertToMPart(Partition part, boolean useTableCD)
      throws InvalidObjectException, MetaException {
    MTable mt = getMTable(part.getCatName(), part.getDbName(), part.getTableName());
    ...
{code}

So what we have as a result is that we fetch table for every partition where it should be done just once.
            Reporter: Alexander Kolbasov


The ObjectStore.addPartitions() method does this:
{code:java}
for (Partition part : parts) {
  if (!part.getTableName().equals(tblName) || !part.getDbName().equals(dbName)) {
    throw new MetaException("Partition does not belong to target table "
        + dbName + "." + tblName + ": " + part);
  }
  MPartition mpart = convertToMPart(part, true); // <-- Here
  toPersist.add(mpart);
  ...{code}





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