static void Main(string[] args)
{
var connStrBldr = new SqlConnectionStringBuilder {
UserID = _userName,
Password = _pasword,
IntegratedSecurity = false,
ApplicationName = _applicationName
};
//Get an instance of our ShardMapManager (contained in ShardingClient wrapper)
Console.WriteLine("Checking for existing shard map and creating new shard map if necessary.");
var sharding = new ShardingClient(_shardServer, _shardMapManagerDb, connStrBldr.ConnectionString);
Console.WriteLine("Executing Multishard Query");
var results = ExecuteMultiShardQuery(ref sharding, connStrBldr.ConnectionString);
Console.WriteLine("Multishard Query Results *******************************");
if (results.Count > 0)
{
foreach (var item in results)
{
Console.WriteLine($"BlogId:{item.BlogId}\tBlogName:{item.Name}");
}
}
Console.WriteLine("Press any key to exit...");
Console.ReadKey();
}
private static List <dynamic> ExecuteMultiShardQuery(ref ShardingClient sharding, string connectionString)
{
dynamic result = new List <dynamic>();
var multiShardConnection = new MultiShardConnection(sharding.ShardMap.GetShards(), connectionString);
using (var cmd = multiShardConnection.CreateCommand()) {
cmd.CommandText = @"SELECT * FROM dbo.Blogs";
cmd.CommandType = System.Data.CommandType.Text;
cmd.CommandTimeoutPerShard = 60;
using (var reader = cmd.ExecuteReader()) {
if (reader.HasRows)
{
result = reader.ToExpandoList();
}
}
}
return(result);
}
