[KYLIN-2625] not null filter clause should be evaluable in storage

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: v2.0.0
• Assignee: Hongbin Ma
• Reporter: Hongbin Ma
• Created: 16/May/17 09:37
• Updated: 24/Jan/18 16:02
• Resolved: 24/Jan/18 16:02

Description

currently, limit push down is not enabled for queries like

select * from (
select * from test_kylin_fact
  where lstg_format_name is not null
  ) limit 20
 

because "not null" is treated as un-evaluateable.