impala-reviews mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Tim Armstrong (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-4729: Implement REPLACE()
Date Tue, 24 Jan 2017 20:08:37 GMT
Tim Armstrong has posted comments on this change.

Change subject: IMPALA-4729: Implement REPLACE()
......................................................................


Patch Set 2:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/5776/2/be/src/exprs/string-functions-ir.cc
File be/src/exprs/string-functions-ir.cc:

Line 210:   if (pattern.len == 0) return str;
> Yes, unclear what the proper behavior is.  I elected to return the original
We don't guarantee anything about the value of len when null = true. Sometimes everything
is zero-initialised but it's not contractual.


-- 
To view, visit http://gerrit.cloudera.org:8080/5776
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-MessageType: comment
Gerrit-Change-Id: I1780a7d8fee6d0db9dad148217fb6eb10f773329
Gerrit-PatchSet: 2
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Zach Amsden <zamsden@cloudera.com>
Gerrit-Reviewer: Alex Behm <alex.behm@cloudera.com>
Gerrit-Reviewer: Dan Hecht <dhecht@cloudera.com>
Gerrit-Reviewer: Michael Ho <kwho@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstrong@cloudera.com>
Gerrit-Reviewer: Zach Amsden <zamsden@cloudera.com>
Gerrit-HasComments: Yes

Mime
View raw message