コード例 #1
0
        /// <summary>
        ///     An IQueryable&lt;T&gt; 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));
        }
コード例 #2
0
ファイル: Update.cs プロジェクト: zxk123/EntityFramework-Plus
        /// <summary>
        ///     An IQueryable&lt;T&gt; 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));
        }