RCassandra：为什么Cassandra的表数据没有加载到我的data.frame中？

Question

why there is No response after running RC.read.table

library(RCassandra)
connect.handle <- RC.connect(host="127.0.0.1", port=9042)
ChurnData <- RC.read.table(connect.handle, "churndata")

我总是需要点击停止来重新运行代码。