[Impala-ASF-CR] IMPALA-4052: CREATE TABLE LIKE for Kudu tables

["Quanlong Huang (Code Review)" <ge...@cloudera.org>]

Quanlong Huang has posted comments on this change. ( http://gerrit.cloudera.org:8080/18729 )

Change subject: IMPALA-4052: CREATE TABLE LIKE for Kudu tables
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Patch Set 29:

Sorry to see this being pending for so long.. I think cloning the range partitions is a futher feature and we can do it in a separate patch. Note that CreateTableLike for HDFS tables doesn't clone the partitions. Range partitions in Kudu tables are similar to the partitions in HDFS tables. I think it's ok to not clone them, or provide users the ability to choose the behavior. On the other side, cloning all the range partitions of a large kudu table might take a long time. Users might just want to create a tiny table for testing.

I suggest spill over the support of cloning range partitions into a separate patch, and let this patch focus on only cloning the schema (including hash partitions). In the follow-on patch, we can add query option or new syntax for cloning range partitions as well. What do you think?


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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ia3d276a6465301dbcfed17bb713aca06367d9a42
Gerrit-Change-Number: 18729
Gerrit-PatchSet: 29
Gerrit-Owner: Xiaoqing Gao <ga...@gmail.com>
Gerrit-Reviewer: Alexey Serbin <al...@apache.org>
Gerrit-Reviewer: Impala Public Jenkins <im...@cloudera.com>
Gerrit-Reviewer: Kurt Deschler <kd...@cloudera.com>
Gerrit-Reviewer: Quanlong Huang <hu...@gmail.com>
Gerrit-Reviewer: Wenzhe Zhou <wz...@cloudera.com>
Gerrit-Reviewer: Xiaoqing Gao <ga...@gmail.com>
Gerrit-Comment-Date: Fri, 03 Feb 2023 02:02:23 +0000
Gerrit-HasComments: No