New Post: EF6 RC1 returning different queries from EF5, but slower and...
Michelmob, Did you try out the UseDatabaseNullSemantics flag ? I have a similar issue and this flag does not change the generated SQL for a JOIN (using equals), only for a WHERE (having converted the...
View ArticleNew Post: Severe performance issues with concurrent EF reads under load
Hi Danny, I took a look at the test you provided at https://dl.dropboxusercontent.com/u/9775009/DbTest.zip. Thank you for it. Here’s what I got in my machine doing 5000 lookups:EF6 - FindAsync() Test...
View ArticleNew Post: EF6 RC1 returning different queries from EF5, but slower and...
For your information in EF 6.1 we have incorporated some optimizations that in many cases should improve the performance of queries with UseDatabaseNullSemantics = false while maintain the same...
View ArticleNew Post: EF6 RC1 returning different queries from EF5, but slower and...
Thanks for the reply. The performance is only half the problem. This change actually changes the result set coming back. This is a breaking change as far as any existing application code is concerned -...
View ArticleNew Post: EF6 RC1 returning different queries from EF5, but slower and...
Hi Simon, In EF5 code already existed that compensated for null semantic differences for JOIN operations regardless of any configuration flag. It was just not applied by default to regular predicates....
View ArticleNew Post: EF 6 EntitySet.MetadataProperties["Schema"] is null
I want to get database schema from t4 template. but EntitySet.MetadataProperties["Schema"] is null this is my modified code on model.tt template: foreach (var entitySet in...
View ArticleNew Post: Package-Based DDEX Provider Example
Thanks Moozyk. The Visual Studio 2005 SDK has a sample for 'Package Based VS Provider'; it is at. Visual Studio 2005...
View ArticleNew Post: Creating a Custom Entity Framework
Hello All, as a test, we changed the Entity Framework in some places in order to make it work together with one of our legacy applications. It works on the development PC. So far, so good. We do not...
View ArticleNew Post: Package-Based DDEX Provider Example
@Moozyk - implemented! https://sqlcetoolbox.codeplex.com/releases/view/117615 (Install VISX, Launch VS 2013, restart VS 2013, Add 4.0 database to Toolbox, Add EntityFramework.SqlServerCompact package...
View ArticleNew Post: Map two classes with same name from different namespace (bug...
https://entityframework.codeplex.com/workitem/483 I have some offline changes that fix this issue for us in a very specific way - I know that this will not work for everyone but I am curious as to what...
View ArticleNew Post: Moving from EF 4 to EF 6. Any experience?
Hi Andy Thank you for your feedback. I talked to our Team and we are not using pre-compiled queries. So that would mean that we get a better performance with EF6? What is your general opinion about...
View ArticleNew Post: Moving from EF 4 to EF 6. Any experience?
I am waiting for EF6.1 before I migrate my app from EF5. However if I was on EF4 I would 100% do it immediately. The automatic query caching makes a huge difference, especially if you are composing...
View ArticleNew Post: Creating a Custom Entity Framework
@YaEFn You are free to use your own build of the Entity Framework in production within the terms of the source code license, but keep in mind that this is not supported by Microsoft. With regards to...
View ArticleNew Post: Creating a Custom Entity Framework
Thank you very much, Arthur! This is an important statement for us to think about, since a decision to use a custom Entity Framework is quite a bit intimidating for 'yet another EF newbie'. :-) Thanks...
View ArticleNew Post: Package-Based DDEX Provider Example
For anyone who cares, uninstall is actually not required, as long as the dll file implementing the registry based provider is...
View ArticleNew Post: Issue migrating from VS2010 to VS2013
I just got this too. Restarting VS cleared it up.
View ArticleNew Post: Entity splitting incorrectly uses INNER JOIN rather LEFT JOIN
I added third table, and EF throws error: Invalid object name 'dbo.T3'. C# code:class ConsumerConfiguration : EntityTypeConfiguration<Consumer> { public ConsumerConfiguration() { Property(p =>...
View ArticleNew Post: How it will work with Entity Framework Caching Provider Wrappers
I would love to see a solution to this as well. I've added it as a work item here if you want to vote on it:https://entityframework.codeplex.com/workitem/2024 Depending on the work involved we may try...
View ArticleNew Post: Poor performance get EntityState
Hello, Recently we moved our big project from EF6.0.2 ObjectContext to EF6.0.2 DbContext. And noticed poor performance of getting entity state after loading large set of data. Example: we have several...
View ArticleNew Post: is there a plan to do migration in Model first or Database first...
I generally agree with you, but not entirely. During development, when the database is being revved 20 times a day, having a structured "apply changes" mechanism would be very useful. Your comments are...
View Article