Hello Tianyi Wang, Jim Apple, Philip Zeyliger, Tim Armstrong,

I'd like you to reexamine a change. Please visit

    http://gerrit.cloudera.org:8080/8900

to look at the new patch set (#6).

Change subject: IMPALA-3282: Adds regexp_escape built-in function
......................................................................

IMPALA-3282: Adds regexp_escape built-in function

Escapes the following special characters in RE2 library:
.\+*?[^]$(){}=!<>|:-

Testing:
Add some unit tests into ExprTest.StringRegexpFunctions
Add some E2E tests into exprs.test

Change-Id: I84c3e0ded26f6eb20794c38b75be9b25cd111e4b
---
M be/src/exprs/expr-test.cc
M be/src/exprs/string-functions-ir.cc
M be/src/exprs/string-functions.h
M common/function-registry/impala_functions.py
M testdata/workloads/functional-query/queries/QueryTest/exprs.test
5 files changed, 92 insertions(+), 2 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/00/8900/6
--
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I84c3e0ded26f6eb20794c38b75be9b25cd111e4b
Gerrit-Change-Number: 8900
Gerrit-PatchSet: 6
Gerrit-Owner: Kim Jin Chul <jinc...@gmail.com>
Gerrit-Reviewer: Jim Apple <jbapple-imp...@apache.org>
Gerrit-Reviewer: Kim Jin Chul <jinc...@gmail.com>
Gerrit-Reviewer: Philip Zeyliger <phi...@cloudera.com>
Gerrit-Reviewer: Tianyi Wang <tw...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>

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