Vuk Ercegovac has posted comments on this change.

Change subject: IMPALA-1767 Adds predicate to test boolean values true, false, 
unknown.
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Patch Set 2:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/8014/2/fe/src/main/cup/sql-parser.cup
File fe/src/main/cup/sql-parser.cup:

PS2, Line 273: KW_UNKNOWN
Treating "unknown" as a keyword conflicts with kudu specification: encoding and 
compression may both specify "unknown". I can work-around this, but in general, 
adding "unknown" as a keyword may break existing queries. Any precedence on 
adding keywords (I saw the handling of "default", for example)?


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Gerrit-MessageType: comment
Gerrit-Change-Id: I5bd0aa82a0316ac236b7ecf8612ef4b30c016a00
Gerrit-PatchSet: 2
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Vuk Ercegovac <vercego...@cloudera.com>
Gerrit-Reviewer: Alex Behm <alex.b...@cloudera.com>
Gerrit-Reviewer: Dimitris Tsirogiannis <dtsirogian...@cloudera.com>
Gerrit-Reviewer: Vuk Ercegovac <vercego...@cloudera.com>
Gerrit-HasComments: Yes

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