internal async Task InitCommandAsync(CommandType commandType, string sql, DataParameter[] parameters, CancellationToken cancellationToken)
{
if (_connection == null)
_connection = DataProvider.CreateConnection(ConnectionString);
if (_connection.State == ConnectionState.Closed)
{
await ((DbConnection)_connection).OpenAsync(cancellationToken);
_closeConnection = true;
}
InitCommand(commandType, sql, parameters, null);
}
public static IEnumerable <T> Query <T>(this DataConnection connection, string sql, DataParameter parameter)
{
return(new CommandInfo(connection, sql, parameter).Query <T>());
}
public static CommandInfo SetCommand(DataConnection dataConnection, string commandText, DataParameter parameter)
{
return(new CommandInfo(dataConnection, commandText, parameter));
}
public static DataReader ExecuteReader(this DataConnection connection, string sql, DataParameter parameter)
{
return(new CommandInfo(connection, sql, parameter).ExecuteReader());
}
public static T Execute <T>(this DataConnection connection, string sql, DataParameter parameter)
{
return(new CommandInfo(connection, sql, parameter).Execute <T>());
}
public static DataReader ExecuteReader(this DataConnection connection, string sql, DataParameter parameter)
{
return(ExecuteReader(connection, sql, new[] { parameter }));
}
public static IEnumerable <T> Query <T>(this DataConnection connection, string sql, DataParameter parameter)
{
return(Query <T>(connection, sql, new[] { parameter }));
}
public CommandInfo(DataConnection dataConnection, string commandText, DataParameter parameter)
{
DataConnection = dataConnection;
CommandText = commandText;
Parameters = new[] { parameter };
}
internal void InitCommand(CommandType commandType, string sql, DataParameter[] parameters, List<string> queryHints)
{
if (queryHints != null && queryHints.Count > 0)
{
var sqlProvider = DataProvider.CreateSqlBuilder();
sql = sqlProvider.ApplyQueryHints(sql, queryHints);
queryHints.Clear();
}
DataProvider.InitCommand(this, commandType, sql, parameters);
LastQuery = Command.CommandText;
}