/// <summary>
/// Queries the databse for a single database record returning default <typeparamref name="T"/> if not found.
/// </summary>
/// <param name="dialect">The <see cref="IDbDialect"/>.</param>
/// <param name="command">The command to execute.</param>
/// <param name="recordBuilder">The record builder that maps an <see cref="IDataRecord"/> to <typeparamref name="T"/>.</param>
public static T QuerySingle <T>(this IDbDialect dialect, IDbCommand command, Func <IDataRecord, T> recordBuilder)
{
return(dialect.ExecuteCommand(command, () => ExecuteReader(command, CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow, recordBuilder).SingleOrDefault()));
}
/// <summary>
/// Executes a SQL statement against a connection object.
/// </summary>
/// <param name="dialect">The <see cref="IDbDialect"/>.</param>
/// <param name="command">The command to execute.</param>
public static Int32 ExecuteNonQuery(this IDbDialect dialect, IDbCommand command)
{
return(dialect.ExecuteCommand(command, command.ExecuteNonQuery));
}
/// <summary>
/// Executes the query and returns the first column of the first row in the result set returned by the query. All other columns and rows are ignored.
/// </summary>
/// <param name="dialect">The <see cref="IDbDialect"/>.</param>
/// <param name="command">The command to execute.</param>
public static Object ExecuteScalar(this IDbDialect dialect, IDbCommand command)
{
return(dialect.ExecuteCommand(command, command.ExecuteScalar));
}
/// <summary>
/// Queries the databse for a zero or more database records.
/// </summary>
/// <param name="dialect">The <see cref="IDbDialect"/>.</param>
/// <param name="command">The command to execute.</param>
/// <param name="recordBuilder">The record builder that maps an <see cref="IDataRecord"/> to <typeparamref name="T"/>.</param>
public static List <T> QueryMultiple <T>(this IDbDialect dialect, IDbCommand command, Func <IDataRecord, T> recordBuilder)
{
return(dialect.ExecuteCommand(command, () => ExecuteReader(command, CommandBehavior.SequentialAccess | CommandBehavior.SingleResult, recordBuilder)));
}
