Norbert Luksa has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/13880


Change subject: IMPALA-7770: SPLIT_PART to support negative indexes
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IMPALA-7770: SPLIT_PART to support negative indexes

Third parameter of SPLIT_PART (nth field) accepts now
negative values, and searches the string backwards.

Testing:
 * Added unint tests to expr-test.cc

Change-Id: I2db762989a90bd95661a59eb9c11a29eb2edfafb
---
M be/src/exprs/expr-test.cc
M be/src/exprs/string-functions-ir.cc
2 files changed, 37 insertions(+), 12 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/80/13880/3
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I2db762989a90bd95661a59eb9c11a29eb2edfafb
Gerrit-Change-Number: 13880
Gerrit-PatchSet: 3
Gerrit-Owner: Norbert Luksa <norbert.lu...@cloudera.com>
Gerrit-Reviewer: Norbert Luksa <norbert.lu...@cloudera.com>
Gerrit-Reviewer: Zoltan Borok-Nagy <borokna...@cloudera.com>

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