RupengWang edited a comment on pull request #942:
URL: https://github.com/apache/kylin/pull/942#issuecomment-642487187
## Design test cases
### Prepare test env
- create cube and build segment (2012-01-01 ~ 2013-01-01)
- dimension : price, part_dt
- measure : sum(price)
### Case-1
Make sure the sql result is null
```sql
select sum(price) from kylin_sales where part_dt > '2014-01-01'
```
### Case-2
Make sure the sql result is null
```sql
select LSTG_FORMAT_NAME, stddev_sum(ops_region, price)
from KYLIN_SALES
where part_dt >= '2013-01-01' and part_dt < '2013-06-01'
group by LSTG_FORMAT_NAME
order by LSTG_FORMAT_NAME
```
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