Hello Dan Hecht, Impala Public Jenkins,

I'd like you to do a code review. Please visit

    http://gerrit.cloudera.org:8080/9530

to review the following change.


Change subject: IMPALA-6405: Error when string to decimal cast overflows
......................................................................

IMPALA-6405: Error when string to decimal cast overflows

Before this patch, when there was an error when converting a string to
a decimal, a NULL was returned. In this patch, we change this behavior
so that an error is returned if decimal_v2 is enabled. We also add a
warning if there is an underflow.

The reasoning is that we want stricter behavior in decimal_v2.

Testing:
- Added some EE tests.
- Ran an exhaustive build, which passed.

Change-Id: Icffccac1c1c2361447ae4b0de9b6c2ec7de071db
Reviewed-on: http://gerrit.cloudera.org:8080/9339
Reviewed-by: Dan Hecht <dhe...@cloudera.com>
Tested-by: Impala Public Jenkins
---
M be/src/exprs/decimal-operators-ir.cc
M be/src/exprs/expr-test.cc
M fe/src/main/java/org/apache/impala/rewrite/RemoveRedundantStringCast.java
M testdata/workloads/functional-query/queries/QueryTest/decimal-exprs.test
M tests/query_test/test_decimal_casting.py
5 files changed, 59 insertions(+), 11 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/30/9530/1
--
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Gerrit-Project: Impala-ASF
Gerrit-Branch: 2.x
Gerrit-MessageType: newchange
Gerrit-Change-Id: Icffccac1c1c2361447ae4b0de9b6c2ec7de071db
Gerrit-Change-Number: 9530
Gerrit-PatchSet: 1
Gerrit-Owner: Lars Volker <l...@cloudera.com>
Gerrit-Reviewer: Dan Hecht <dhe...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins
Gerrit-Reviewer: Taras Bobrovytsky <tbobrovyt...@cloudera.com>

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