[KYLIN-2597] Deal with trivial expression in filters like x = 1 + 2

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: v2.1.0
• Assignee: Hongbin Ma
• Reporter: Hongbin Ma
• Created: 09/May/17 08:29
• Updated: 17/Aug/17 15:02
• Resolved: 12/May/17 05:51

Description

BI tools will generate trivial expression in filters, e.g "x = 1 + 2". Such expressions will cause kylin to conceive it as "non-evaluateble", which in turn blocks other things like limit push down, or having to choose cuboid with more dimensions, etc.