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CDP materialized views recommender service ERROR

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We're following the materialized view recommender instructions (Materialized view recommendations introduction (cloudera.com))  to test its reliability. The benchmark is tpc-ds (GitHub - hortonworks/hive-testbench). The recommnder reports the following error when testing query 10 (hive-testbench/query10.sql at hdp3 · hortonworks/hive-testbench · GitHub).

 

Caused by: java.lang.AssertionError: SEMI
    at org.apache.calcite.rel.rel2sql.SqlImplementor.joinType(SqlImplementor.java:358) ~[calcite-core-1.21.0.7.2.3.0-220.jar:1.21.0.7.2.3.0-220]
 
Can anyone help fix this problem?

 

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