Adam Holley has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/10858 )

Change subject: IMPALA-7027: Mulitple varchar cast fails with distinct
......................................................................


Patch Set 4:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/10858/4/fe/src/main/java/org/apache/impala/analysis/StatementBase.java
File fe/src/main/java/org/apache/impala/analysis/StatementBase.java:

http://gerrit.cloudera.org:8080/#/c/10858/4/fe/src/main/java/org/apache/impala/analysis/StatementBase.java@115
PS4, Line 115:       // If varchar is longer length, the recasting is 
unnecessary.
> It doesn't feel right putting this logic in StatementBase and the logic see
It can either go here, or have a specific check in base Expr.castTo next to the 
specific isDecimal check.  Where it is, it short circuits several additional 
checks.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I2fa5890eaa89787645c7d3d2eef976f54a34e7c0
Gerrit-Change-Number: 10858
Gerrit-PatchSet: 4
Gerrit-Owner: Adam Holley <ahol...@cloudera.com>
Gerrit-Reviewer: Adam Holley <ahol...@cloudera.com>
Gerrit-Reviewer: Fredy Wijaya <fwij...@cloudera.com>
Gerrit-Comment-Date: Tue, 10 Jul 2018 14:24:34 +0000
Gerrit-HasComments: Yes

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