https://community.cloudera.com/t5/Support-Questions/What-is-col0-in-hive-explain-plan/m-p/191220#M153309 <P> <A rel="user" href="https://community.cloudera.com/users/11675/mattliem.html" nodeid="11675">@Nick Xu</A> Have you generated stats on the table?</P> Wed, 30 May 2018 01:03:59 GMT SQLShaw 2018-05-30T01:03:59Z