Ashutosh Chauhan created HIVE-8492:
--------------------------------------
Summary: Enhance Constant Folding to propagate constants for
simple expressions
Key: HIVE-8492
URL: https://issues.apache.org/jira/browse/HIVE-8492
Project: Hive
Issue Type: Improvement
Components: Logical Optimizer
Affects Versions: 0.14.0
Reporter: Ashutosh Chauhan
Assignee: Ashutosh Chauhan
currently it propagates only for projects, can be enhanced to propagate for
simple expressions like casts, e.g,
{code}
SELECT src1.key, src1.key + 1, src2.value
FROM src src1 join src src2 ON src1.key = src2.key
AND cast(src1.key as double) = 86;
{code}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
