21 lines
866 B
R
21 lines
866 B
R
if (! "RJDBC" %in% installed.packages()[, "Package"]) {
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install.packages('RJDBC', repos='http://mirrors.tuna.tsinghua.edu.cn/CRAN')
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}
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# ANCHOR: demo
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library("DBI")
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library("rJava")
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library("RJDBC")
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args<- commandArgs(trailingOnly = TRUE)
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driver_path = args[1] # path to jdbc-driver for example: "/root/taos-jdbcdriver-3.2.4-dist.jar"
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driver = JDBC("com.taosdata.jdbc.TSDBDriver", driver_path)
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conn = dbConnect(driver, "jdbc:TAOS://127.0.0.1:6030/?user=root&password=taosdata")
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dbGetQuery(conn, "SELECT server_version()")
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dbSendUpdate(conn, "create database if not exists rtest")
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dbSendUpdate(conn, "create table if not exists rtest.test (ts timestamp, current float, voltage int, devname varchar(20))")
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dbSendUpdate(conn, "insert into rtest.test values (now, 1.2, 220, 'test')")
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dbGetQuery(conn, "select * from rtest.test")
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dbDisconnect(conn)
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# ANCHOR_END: demo
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