Online Aggregation Library for spark
License: MIT License
Online Aggregation Library for spark
mvn clean compile
mvn assembly:assembly
在target目录会生成包含依赖的jar包
把jar复制到spark的安装目录的bin，如果PATH包含了这个目录则不必复制
运行命令 spark-submit --class com.client.SparkOnlineAggregationClient spark-online-aggregation-1.0-SNAPSHOT-jar-with-dependencies.jar "select max(R2) from <hdfs://localhost:9000/stream/nation.tbl> sample 0.2 confidence 0.95"
引号换成自己的sql
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