ShardsIDReader
Gets the shard ID for each shard in a database.
The ShardsIDReader
creates a single record on each shard that represents the current shard's ID.
Use this reader when you want to run an operation on each shard in the database.
Parameters
None
Output records
Creates a record for each shard with the shard's cluster identifier.
Example
ShardsIDReader reader = new ShardsIDReader();