如何在Node.js Cassandra驱动程序中为查询设置键空间？

Question

I am trying to make a query with cassandra-driver, specifying the keyspace as an option, but am getting the error "No keyspace has been specified."

I am using the following code

connection = new driver.Client({ contactPoints: ['abc'] });

connection.execute(query, { keyspace: 'system_schema' })

Can anyone help me understand what I'm missing?

Answer 1

You need to specify keyspace as option to the Client , in your case it should be as following:

connection = new driver.Client({contactPoints: ['abc'], keyspace: 'system_schema'});
connection.execute(query, queryOptions, callback);

See documentation on ClientOptions & QueryOptions .

If you need to access table in another namespace, then you need to use fully qualified table name in the query - as keyspace_name.table_name