I am trying to execute multiple BatchSatements in parallel with ExecutorService of Java. I want to know whether my query is successfully executed. I have gone through: how do I find out if the update query was successful or not in Cassandra Datastax It’s saying if no exception is there, we can consider it successful. But I am getting NoHostAvailableException.
Tag: datastax
cannot insert list of maps to Apache Cassandra
This is my schema insert query generated by java is in this form issue is with ‘=’ sign in the map objects in the list of maps. How can I insert it correctly? in java. Answer map value should be specified as {key1:val1, key2:val2} (see docs), in your case it should be a but really, you shouldn’t generate literal query
Get a BigInteger attribute from Cassandra ResultSet
I’m trying to get the number of key value pairs in a Cassandra column family. Following is the code I used. But when I ran this code, I’m getting following exception. According to datastax documentation (http://www.datastax.com/drivers/java/2.0/com/datastax/driver/core/Row.html) getVarint should return a BigInteger. So why I am getting a exception here? What an I doing wrong? Answer You can get value as