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From "Sahil Takiar (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-9744: Treat corrupt table stats as missing to avoid bad plans
Date Thu, 30 Jul 2020 17:38:12 GMT
Sahil Takiar has posted comments on this change. ( http://gerrit.cloudera.org:8080/16098 )

Change subject: IMPALA-9744: Treat corrupt table stats as missing to avoid bad plans
......................................................................


Patch Set 25:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/16098/25/tests/metadata/test_explain.py
File tests/metadata/test_explain.py:

http://gerrit.cloudera.org:8080/#/c/16098/25/tests/metadata/test_explain.py@132
PS25, Line 132:     # Set the number of rows at the table level to -1.
              :     self.execute_query(
              :       "alter table %s set tblproperties('numRows'='-1')" % mixed_tbl)
just curious why this is necessary?



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I9f4c64616ff7c0b6d5a48f2b5331325feeff3576
Gerrit-Change-Number: 16098
Gerrit-PatchSet: 25
Gerrit-Owner: Qifan Chen <qchen@cloudera.com>
Gerrit-Reviewer: Aman Sinha <amsinha@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
Gerrit-Reviewer: Qifan Chen <qchen@cloudera.com>
Gerrit-Reviewer: Sahil Takiar <stakiar@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstrong@cloudera.com>
Gerrit-Comment-Date: Thu, 30 Jul 2020 17:38:12 +0000
Gerrit-HasComments: Yes

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