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| options( java.parameters = "-Xmx20g" ) | |
| library(rJava) | |
| library(RJDBC) | |
| cp = c("/usr/hdp/current/hive-client/lib/hive-jdbc.jar", | |
| "/usr/hdp/current/hadoop-client/hadoop-common.jar") | |
| .jinit(classpath=cp) | |
| drv <- JDBC("org.apache.hive.jdbc.HiveDriver", | |
| "/usr/hdp/current/hive-client/lib/hive-jdbc.jar", | |
| identifier.quote="`") | |
| conn <- dbConnect(drv, "jdbc:hive2://servername:10000/demo", "user", "password") | |
| show_databases <- dbGetQuery(conn, "show databases") | |
| show_databases |
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