wutiangan opened a new issue #4047:
URL: https://github.com/apache/incubator-doris/issues/4047
**Describe the bug**
a big olap table join two small mysql table, I want to the join method use
broadcast join, but the doris choose shuffer join,.
**To Reproduce**
select * from big_table t1, mysql_table t2, mysql_tabl
e t3 where t1.k1 = t3.k1
**Expected behavior**
t1 join t2 with broadcast join
t1 join t3 with broadcast join
but t1 join t3 with shuffer join
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