ResponseError : Expected 4 or 0 byte int - node.js

Question

I am trying cassandra node driver and stuck in problem while inserting a record, it looks like cassandra driver is not able to insert float values.
Problem: When passing int value for insertion in db, api gives following error:
Debug: hapi, internal, implementation, error
ResponseError: Expected 4 or 0 byte int (8)
at FrameReader.readError (/home/gaurav/Gaurav-Drive/code/nodejsWorkspace/cassandraTest/node_modules/cassandra-driver/lib/readers.js:291:13)
at Parser.parseError (/home/gaurav/Gaurav-Drive/code/nodejsWorkspace/cassandraTest/node_modules/cassandra-driver/lib/streams.js:185:45)
at Parser.parseBody (/home/gaurav/Gaurav-Drive/code/nodejsWorkspace/cassandraTest/node_modules/cassandra-driver/lib/streams.js:167:19)
at Parser._transform (/home/gaurav/Gaurav-Drive/code/nodejsWorkspace/cassandraTest/node_modules/cassandra-driver/lib/streams.js:101:10)
at Parser.Transform._read (_stream_transform.js:179:10)
at Parser.Transform._write (_stream_transform.js:167:12)
at doWrite (_stream_writable.js:225:10)
at writeOrBuffer (_stream_writable.js:215:5)
at Parser.Writable.write (_stream_writable.js:182:11)
at write (_stream_readable.js:601:24)
I am trying to execute following query from code:
INSERT INTO ragchews.user
(uid ,iid ,jid ,jpass ,rateCount ,numOfratedUser ,hndl ,interests ,locX ,locY ,city )
VALUES
('uid_1',{'iid1'},'jid_1','pass_1',25, 10, {'NEX1231'}, {'MUSIC'}, 21.321, 43.235, 'delhi');
parameter passed to execute() is
var params = [uid, iid, jid, jpass, rateCount, numOfratedUser, hndl, interest, locx, locy, city];
where
var locx = 32.09;
var locy = 54.90;
and call to execute looks like:
var addUserQuery = 'INSERT INTO ragchews.user (uid ,iid ,jid ,jpass ,rateCount ,numOfratedUser ,hndl ,interests ,locX ,locY ,city) VALUES (?,?,?,?,?,?,?,?,?,?,?);';
var addUser = function(user, cb){
console.log(user);
client.execute(addUserQuery, user, function(err, result){
if(err){
throw err;
}
cb(result);
});
};
CREATE TABLE ragchews.user(
uid varchar,
iid set<varchar>,
jid varchar,
jpass varchar,
rateCount int,
numOfratedUser int,
hndl set<varchar>,
interests set<varchar>,
locX float,
locY float,
city varchar,
favorite map<varchar, varchar>,
PRIMARY KEY(uid)
);
P.S
Some observations while trying to understand the issue:
Since it seems, problem is with float so i changed type float (of locX, locY) to int and re-run the code. Same error persist. Hence, it is not problem associated specifically to float CQL type.
Next, i attempted to remove all int from the INSERT query and attempted to insert only non-numeric values. This attempt successfully inputted the value into db. Hence it looks like now that, this problem may be associated with numeric types.

Answer 1

Following words are as it is picked from cassandra node driver data type documentation
When encoding data, on a normal execute with parameters, the driver tries to guess the target type based on the input type. Values of type Number will be encoded as double (as Number is double / IEEE 754 value).
Consider the following example:
var key = 1000;
client.execute('SELECT * FROM table1 where key = ?', [key], callback);
If the key column is of type int, the execution fails. There are two possible ways to avoid this type of problem:
Prepare the data (recommended) - prepare the query before execution
client.execute('SELECT * FROM table1 where key = ?', [key], { prepare : true }, callback);
Hinting the target types - Hint: the first parameter is an integer`
client.execute('SELECT * FROM table1 where key = ?', [key], { hints : ['int'] }, callback);
If you are dealing with batch update then this issue may be of your interest.