Hive: work around for non equi left join

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耶瑟儿~
耶瑟儿~ 2020-12-18 09:57

Hive does not support non equi joins: The common work around is to move the join condition to the where clause, which work fine when you want an inner join. but what about a

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  •  眼角桃花
    2020-12-18 10:35

    Hive 0.10 supports cross joins, so you could handle all your "theta join" (non-equijoin) conditions in the WHERE clause.

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