Aerospike: how do I get record key?

Question

Aerospike client has scanAll method for reading all rows from it\'s store. I use it in the folowing code:

ScanPolicy policy = new ScanPolicy();
policy.concur         


        

Answer 1

I too have faced this problem even at the time of writing we were setting the WritePolicy.sendkeys=true.

After 2-3 days debugging found that there were some issue with aerospike client version. Initially i were using 3.0.25 but after upgrading it to 3.0.35 it started working fine.

Answer 2

Aerospike uses key and set name to generate unique digest, So it stores only digest.

While inserting one record if you set writePolicy.sendKey = true then key will be stored as metadata of record. If one record is inserted with writePolicy.sendKey = true then only you will get key in scanCallback().

By default writePolicy.sendKey is false, so by default scanCallback() gets null as key. Thats why your key.userKey.toLong() gives NullPointerException.