Tim Armstrong has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/8572 )

Change subject: IMPALA-6184: Clean up aftr ScalarExprEvaluator::Clone() fails
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Patch Set 1:

(2 comments)

Just a couple of questions.

http://gerrit.cloudera.org:8080/#/c/8572/1/be/src/exprs/scalar-expr-evaluator.cc
File be/src/exprs/scalar-expr-evaluator.cc:

http://gerrit.cloudera.org:8080/#/c/8572/1/be/src/exprs/scalar-expr-evaluator.cc@193
PS1, Line 193:     Status status =
Kinda subtle, can you add a comment like the one above?

    // Always add the evaluator to the vector so it can be cleaned up.


http://gerrit.cloudera.org:8080/#/c/8572/1/testdata/workloads/functional-query/queries/QueryTest/udf-errors.test
File testdata/workloads/functional-query/queries/QueryTest/udf-errors.test:

http://gerrit.cloudera.org:8080/#/c/8572/1/testdata/workloads/functional-query/queries/QueryTest/udf-errors.test@85
PS1, Line 85: on (bad_expr2(rand()) = (t2.bool_col && t1.bool_col));
Is this one guaranteed to fail? It seems like if we're unlucky, rand() could 
not return one of the values that BadExpr fails on.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I45ffd722d0a69ad05ae3c748cf504c7f1a959a1d
Gerrit-Change-Number: 8572
Gerrit-PatchSet: 1
Gerrit-Owner: Michael Ho <[email protected]>
Gerrit-Reviewer: Michael Ho <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-Comment-Date: Thu, 16 Nov 2017 15:50:19 +0000
Gerrit-HasComments: Yes

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