Wenchen Fan created SPARK-16644:
-----------------------------------
Summary: constraints propagation may fail the query
Key: SPARK-16644
URL: https://issues.apache.org/jira/browse/SPARK-16644
Project: Spark
Issue Type: Bug
Reporter: Wenchen Fan
{code}
create table(a int, b int);
select
a,
max(b) as c1,
b as c2
from tbl
where a = b
group by a, b
having c1 = 1
{code}
this query fails in 2.0, but works in 1.6
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