[HIVE-8492] Enhance Constant Folding to propagate constants for simple expressions

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.14.0
• Fix Version/s: 0.14.0
• Component/s: Logical Optimizer
• Assignee: Ashutosh Chauhan
• Reporter: Ashutosh Chauhan
• Created: 17/Oct/14 01:33
• Updated: 13/Nov/14 19:41
• Resolved: 20/Oct/14 20:53

Description

currently it propagates only for projects, can be enhanced to propagate for simple expressions like casts, e.g,

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; 

Issue Links

• links to: RB request