public override Task<object> ExecuteScalarAsync(
DbConnection connection, DbTransaction transaction, SqlStatement statement, CancellationToken cancellationToken = new CancellationToken())
{
return Task.FromResult<object>(Interlocked.Add(ref _current, _blockSize));
}
private Tuple<RelationalConnection, SqlStatement> PrepareCommand(DbContextConfiguration contextConfiguration)
{
// TODO: Parameterize query and/or delimit identifier without using SqlServerMigrationOperationSqlGenerator
var sql = new SqlStatement(string.Format(
CultureInfo.InvariantCulture,
"SELECT NEXT VALUE FOR {0}", _sequenceName));
// TODO: Should be able to get relational connection without cast
var connection = (RelationalConnection)contextConfiguration.Connection;
return Tuple.Create(connection, sql);
}
public override object ExecuteScalar(DbConnection connection, DbTransaction transaction, SqlStatement statement)
{
return Interlocked.Add(ref _current, _blockSize);
}
private static DbCommand CreateCommand(
DbConnection connection,
DbTransaction transaction,
SqlStatement statement)
{
var command = connection.CreateCommand();
command.CommandText = statement.Sql;
command.Transaction = transaction;
return command;
}