/// <summary>
/// An IQueryable<T> extension method that updates all rows from the query using an
/// expression without retrieving entities.
/// </summary>
/// <typeparam name="T">The type of elements of the query.</typeparam>
/// <param name="query">The query to update rows from without retrieving entities.</param>
/// <param name="updateFactory">The update expression.</param>
/// <param name="batchUpdateBuilder">The batch builder action to change default configuration.</param>
/// <returns>The number of rows affected.</returns>
public static int Update <T>(this IQueryable <T> query, Expression <Func <T, T> > updateFactory, Action <BatchUpdate> batchUpdateBuilder) where T : class
{
var batchUpdate = new BatchUpdate();
BatchUpdateManager.BatchUpdateBuilder?.Invoke(batchUpdate);
batchUpdateBuilder?.Invoke(batchUpdate);
return(batchUpdate.Execute(query, updateFactory));
}
/// <summary>
/// An IQueryable<T> extension method that updates all rows from the query using an
/// expression without retrieving entities.
/// </summary>
/// <typeparam name="T">The type of elements of the query.</typeparam>
/// <param name="query">The query to update rows from without retrieving entities.</param>
/// <param name="updateFactory">The update expression.</param>
/// <param name="batchUpdateBuilder">The batch builder action to change default configuration.</param>
/// <returns>The number of rows affected.</returns>
public static int Update <T>(this IQueryable <T> query, Expression <Func <T, T> > updateFactory, Action <BatchUpdate> batchUpdateBuilder) where T : class
{
var batchUpdate = new BatchUpdate();
if (BatchUpdateManager.BatchUpdateBuilder != null)
{
BatchUpdateManager.BatchUpdateBuilder(batchUpdate);
}
if (batchUpdateBuilder != null)
{
batchUpdateBuilder(batchUpdate);
}
return(batchUpdate.Execute(query, updateFactory));
}