Philip Zeyliger has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/8238 )

Change subject: IMPALA-4524: Batch calls to ALTER TABLE...ADD PARTITION.
......................................................................


Patch Set 6: Code-Review+1

(1 comment)

Carrying Dimitris' +1.

http://gerrit.cloudera.org:8080/#/c/8238/3/fe/src/main/java/org/apache/impala/service/CatalogOpExecutor.java
File fe/src/main/java/org/apache/impala/service/CatalogOpExecutor.java:

http://gerrit.cloudera.org:8080/#/c/8238/3/fe/src/main/java/org/apache/impala/service/CatalogOpExecutor.java@1974
PS3, Line 1974: // HMS because some of them may already exist there. In that 
case, we load in the
              :       // catalog the partitions that already exist in HMS but 
aren't in the catalog yet.
              :       if (allHmsPartitionsToAdd.size() != 
addedHmsPartitions.size()) {
              :         List<Partition> difference = 
computeDifference(allHmsPartitionsToAdd,
              :             addedHmsPartitions);
              :         addedHmsPartitions.addAll(
              :             getPartitionsFromHms(msTbl, msClient, tableName, 
difference));
              :       }
              :
              :       for (Partition partition: addedHmsPartitions) {
              :         // Create and add the HdfsPartition to catalog. Return 
the table object with an
              :
> Well, you're only calling it for the diff, right? I would expect in most ca
Yep, I agree.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I95f8221ff08c0f126f951f7d37ff5e57985f855f
Gerrit-Change-Number: 8238
Gerrit-PatchSet: 6
Gerrit-Owner: Philip Zeyliger <[email protected]>
Gerrit-Reviewer: Alex Behm <[email protected]>
Gerrit-Reviewer: Dimitris Tsirogiannis <[email protected]>
Gerrit-Reviewer: Philip Zeyliger <[email protected]>
Gerrit-Comment-Date: Wed, 18 Oct 2017 21:32:02 +0000
Gerrit-HasComments: Yes

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