提交

IRaCIS.Core.Infra.EFCore/Repository/ICommandRepository.cs

@@ -89,6 +89,8 @@ namespace IRaCIS.Core.Infra.EFCore
 
         Task<TEntity> FirstOrDefaultAsync(Expression<Func<TEntity, bool>> exp = null, bool ignoreQueryFilters = false);
 
+        Task<TEntity> FirstOrDefaultNoTrackingAsync(Expression<Func<TEntity, bool>> exp = null, bool ignoreQueryFilters = false);
+
         Task<bool> AnyAsync(Expression<Func<TEntity, bool>> exp, bool ignoreQueryFilters = false);
 
         Task<TResult> MaxAsync<TResult>(Expression<Func<TEntity, TResult>> selector);

IRaCIS.Core.Infra.EFCore/Repository/Repository.cs

@@ -1412,6 +1412,32 @@ namespace IRaCIS.Core.Infra.EFCore
 
         }
 
+        /// <summary>
+        /// 不跟踪
+        /// </summary>
+        /// <param name="exp"></param>
+        /// <param name="ignoreQueryFilters"></param>
+        /// <returns></returns>
+        public async Task<TEntity> FirstOrDefaultNoTrackingAsync(Expression<Func<TEntity, bool>> exp = null, bool ignoreQueryFilters = false)
+        {
+
+            var query = _dbSet.AsNoTracking().AsQueryable();
+
+            if (ignoreQueryFilters)
+            {
+                query = query.IgnoreQueryFilters();
+            }
+
+
+            if (exp != null)
+            {
+                query = query.Where(exp);
+            }
+
+            return await query.AsNoTracking().FirstOrDefaultAsync().ConfigureAwait(false);
+
+        }
+
         #endregion