Optimize mongodb deletion for feature values

modules/feature-management/src/Volo.Abp.FeatureManagement.MongoDB/Volo/Abp/FeatureManagement/MongoDB/MongoFeatureValueRepository.cs

@@ -57,9 +57,10 @@ public class MongoFeatureValueRepository :
         string providerKey,
         CancellationToken cancellationToken = default)
     {
-        var entities = await (await GetMongoQueryableAsync(cancellationToken))
-            .Where(s => s.ProviderName == providerName && s.ProviderKey == providerKey)
-            .ToListAsync(GetCancellationToken(cancellationToken));
-        await DeleteManyAsync(entities, true, GetCancellationToken(cancellationToken));
+        var dbContext = await GetDbContextAsync();
+
+        await dbContext.FeatureValues
+            .DeleteManyAsync(x => x.ProviderName == providerName && x.ProviderKey == providerKey, GetCancellationToken(cancellationToken));
+
     }
 }

modules/feature-management/test/Volo.Abp.FeatureManagement.TestBase/Volo/Abp/FeatureManagement/FeatureValueRepository_Tests.cs

@@ -1,7 +1,10 @@
 using System.Threading.Tasks;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
 using Shouldly;
 using Volo.Abp.Features;
 using Volo.Abp.Modularity;
+using Volo.Abp.Uow;
 using Xunit;
 
 namespace Volo.Abp.FeatureManagement;
@@ -79,6 +82,24 @@ public abstract class FeatureValueRepository_Tests<TStartupModule> : FeatureMana
         var exception = await Record.ExceptionAsync(async () =>
             await Repository.DeleteAsync(TestFeatureDefinitionProvider.SocialLogins, "true"));
         Assert.Null(exception);
-
     }
+
+    [Fact]
+    public async Task DeleteForProviderNameAndKey()
+    {
+		using (var scope = ServiceProvider.CreateScope())
+		{
+			var uowManager = scope.ServiceProvider.GetRequiredService<IUnitOfWorkManager>();
+
+            using (var uow = uowManager.Begin(new AbpUnitOfWorkOptions()))
+            {
+		        await Repository.DeleteAsync(TestFeatureDefinitionProvider.SocialLogins, "true");
+
+				await uow.CompleteAsync();
+            }
+		}
+
+		var features = await Repository.GetListAsync(TestFeatureDefinitionProvider.SocialLogins, "true");
+        features.ShouldBeEmpty();
+	}
 }