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
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 in java
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");
S