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SparkSQ操作DataFrame,合并DataFrame
共15个文件
scala:5个
xml:2个
cache-main:1个
需积分: 29 30 下载量 139 浏览量
2018-05-30
20:01:01
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例子中定义了多个List数据集合,包括用户信息,订单信息,用户订单信息,将List对象生成DataFrame,使用SparkSQL查询将多个DataFrame合成一个DataFrame,使用Scala语言编写。
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scala-dataframe-example.zip (15个子文件)
dataframe-example
example
pom.xml 518B
dataframe
pom.xml 4KB
.cache-tests 19KB
dataframe.iml 16KB
src
test
scala
samples
junit.scala 179B
scalatest.scala 3KB
main
resources
log4j.properties 2KB
scala
com
spark
group
order
OrderGenerator.scala 2KB
UserOrder.scala 538B
UserOrderDataFrame.scala 3KB
.project 619B
.classpath 1KB
.gitignore 370B
.cache-main 17KB
Result.txt 46KB
共 15 条
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