Zoltan Borok-Nagy has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/16472 )

Change subject: IMPALA-9652: CTAS doesn't respect transactional properties
......................................................................


Patch Set 1:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/16472/1//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/16472/1//COMMIT_MSG@9
PS1, Line 9: Because of a bug the INSERT part of a CTAS statement didn't
> Can you add more info about how we worked before the change, and how we wil
Done


http://gerrit.cloudera.org:8080/#/c/16472/1//COMMIT_MSG@10
PS1, Line 10: transaction
> Do I understand well that we are still not transactional in a multi table s
Yes, it works like the INSERT statements.
IMPALA-8788 is tracking the transactional behavior that you described. It would 
be a bigger chunk of work, and with event polling we almost always use the 
latest snapshots of the tables. But I agree that it should be fixed ideally.


http://gerrit.cloudera.org:8080/#/c/16472/1/testdata/workloads/functional-query/queries/QueryTest/acid-insert.test
File testdata/workloads/functional-query/queries/QueryTest/acid-insert.test:

http://gerrit.cloudera.org:8080/#/c/16472/1/testdata/workloads/functional-query/queries/QueryTest/acid-insert.test@65
PS1, Line 65: ====
            : ---- QUERY
            : drop table insertonly_nopart_ctas;
> Is there a reason why we do the cleanup here? The whole DB is dropped after
I find it good practice to DROP tables after their last use. E.g. if you are 
copy pasting some tests it's better to get an error message than to use the 
wrong table.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I6ed96aeadbcead9fdc548da5922a066460ff9f77
Gerrit-Change-Number: 16472
Gerrit-PatchSet: 1
Gerrit-Owner: Zoltan Borok-Nagy <borokna...@cloudera.com>
Gerrit-Reviewer: Csaba Ringhofer <csringho...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Zoltan Borok-Nagy <borokna...@cloudera.com>
Gerrit-Comment-Date: Fri, 18 Sep 2020 12:45:24 +0000
Gerrit-HasComments: Yes

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