Re: Re: how to use the sql join in java please

Hi yucai, It works well now. Thanks. 1427357...@qq.com From: Yu, Yucai Date: 2018-04-11 16:01 To: 1427357...@qq.com; spark?users Subject: Re: how to use the sql join in java please Do you really want to do a cartesian product on those two tables? If yes, you can set

Re: how to use the sql join in java please

Do you really want to do a cartesian product on those two tables? If yes, you can set spark.sql.crossJoin.enabled=true. Thanks, Yucai From: "1427357...@qq.com" <1427357...@qq.com> Date: Wednesday, April 11, 2018 at 3:16 PM To: spark?users Subject: how to use the sql join

how to use the sql join in java please

Hi all, I write java code to join two table. My code looks like: SparkSession ss = SparkSession.builder().master("local[4]").appName("testSql").getOrCreate(); Properties properties = new Properties(); properties.put("user","A"); properties.put("password","B");