Roger Shi created KYLIN-2889:
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Summary: Subquery columns not exported in OLAPContext allColumns
Key: KYLIN-2889
URL: https://issues.apache.org/jira/browse/KYLIN-2889
Project: Kylin
Issue Type: Bug
Reporter: Roger Shi
A query like this returns empty value because OLAP context allColumns field
isn't set rightly.
```sql
select c.COUNTRY, c.NAME,b.TRANS_ID, b.BUYER_ID from KYLIN_COUNTRY c join (
select * from KYLIN_SALES s join KYLIN_ACCOUNT a on s.SELLER_ID =
a.ACCOUNT_ID where a.ACCOUNT_ID <= 10000866
) b on b.ACCOUNT_COUNTRY = c.COUNTRY
```
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