[KYLIN-4429] For LEAST_RESTRICTIVE consistency, which is the '=' operator, convert implicitly

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: v3.1.0
• Sprint: Sprint 52
• Assignee: Zhong Yanghong
• Reporter: Zhong Yanghong
• Created: 18/Mar/20 03:18
• Updated: 31/Jul/20 12:23
• Resolved: 15/Jun/20 03:33

Description

For the following sql,

select count(*)
from TEST_KYLIN_FACT
where cal_dt = date'2012-01-01'

, if the data type of cal_dt is varchar, the sql cannot run successfully due to no implicitly data type conversion.