[Impala-ASF-CR] IMPALA-5145: Do not constant fold null in CastExprs

["anujphadke (Code Review)" <ge...@cloudera.org>]

anujphadke has uploaded a new patch set (#3).

Change subject: IMPALA-5145: Do not constant fold null in CastExprs
......................................................................

IMPALA-5145: Do not constant fold null in CastExprs

Constant folding null values in CastExprs causes CTAS statements
to fail. This regresses the observed behavior before constant folding
was introduced. This change does not constant fold null in CastExprs.

Change-Id: Ia7aa1ab7f53a9dcc7560ded321a9d1e1ee2d18e3
---
M fe/src/main/java/org/apache/impala/rewrite/FoldConstantsRule.java
M testdata/workloads/functional-query/queries/QueryTest/create-table-as-select.test
2 files changed, 18 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/63/6663/3
-- 
To view, visit http://gerrit.cloudera.org:8080/6663
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ia7aa1ab7f53a9dcc7560ded321a9d1e1ee2d18e3
Gerrit-PatchSet: 3
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: anujphadke <ap...@cloudera.com>
Gerrit-Reviewer: Alex Behm <al...@cloudera.com>
Gerrit-Reviewer: Bharath Vissapragada <bh...@cloudera.com>