Detected cartesian product for LEFT OUTER join

時間 2019-11-29

標籤 detected cartesian product left outer join 欄目 SQL 简体版

原文原文鏈接

spark作錶鏈接的時候出現這個錯誤，sql

Exception in thread "main" org.apache.spark.sql.AnalysisException: Detected cartesian product for LEFT OUTER join between logical plans LocalLimit 21apache

出現錯誤，這時，須要添加spa

spark.conf.set("spark.sql.crossJoin.enabled", "true")code

再次運行，能夠成功。it

由於，2.x中默認不支持笛卡爾積操做，須要經過參數spark.sql.crossJoin.enabled開啓spark

1. Spark報錯：Detected cartesian product for LEFT OUTER join between logical plans
2. mysql， LEFT OUTER JOIN 與 LEFT JOIN，RIGHT OUTER JOIN 與RIGHT JOIN ，FULL OUTER JOIN 與 FULL JOIN區別與聯繫
3. left join 和left outer join
4. mysql LEFT JOIN 等於 LEFT OUTER JOIN ;
5. left join和left outer join的區別
6. left join 和 left outer join 的區別
7. SPARK SQL ERROR: Detected cartesian product for INNER join between logical plans報錯解決方法
8. sql中的join：join,left join,right join,left outer join,right outer join,union,cross join
9. Left join right join inner join outer join
10. Hive的left join、left outer join和left semi join三者的區別
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1. Spark報錯：Detected cartesian product for LEFT OUTER join between logical plans
2. mysql， LEFT OUTER JOIN 與 LEFT JOIN，RIGHT OUTER JOIN 與RIGHT JOIN ，FULL OUTER JOIN 與 FULL JOIN區別與聯繫
3. left join 和left outer join
4. mysql LEFT JOIN 等於 LEFT OUTER JOIN ;
5. left join和left outer join的區別
6. left join 和 left outer join 的區別
7. SPARK SQL ERROR: Detected cartesian product for INNER join between logical plans報錯解決方法
8. sql中的join：join,left join,right join,left outer join,right outer join,union,cross join
9. Left join right join inner join outer join
10. Hive的left join、left outer join和left semi join三者的區別

>>更多相關文章<<