Remove sealed modifier from ClrPerspective, ExpressionConverter and others

Entity Framework claims to be an "open" framework, easily extensible, flexible and DI aware. Despite that claim, Entity Framework is but a huge rigid monolithic chunk of code, not providing any h...

Id #2664 | Release: None | Updated: Jan 31 at 5:16 AM by SetTrend | Created: Jan 31 at 5:11 AM by SetTrend

Optimize enumerable .Contains

Earlier (I believe it was EF5), if an enumerable's .Contains method was used to query for a list of items, and the enumerable had only one member, EF would convert the output query to use = with a ...

Id #2663 | Release: None | Updated: Jan 29 at 6:32 PM by sprbrkperform | Created: Jan 29 at 6:29 PM by sprbrkperform

Optimize enumerable .Contains

Earlier (I believe it was EF5), if an enumerable's .Contains method was used to query for a list of items, and the enumerable had only one member, EF would convert the output query to use = with a ...

Id #2662 | Release: None | Updated: Jan 29 at 6:28 PM by sprbrkperform | Created: Jan 29 at 6:28 PM by sprbrkperform

The underlying provider failed on Open.

Am Using MVC5 and Entityframework 6.1.2 Code Based Project. When I Try to Create DB It Throwing Error "the underlaying provider faild on Open" My Self Used this Connection String <add name="Con...

Id #2661 | Release: None | Updated: Jan 30 at 7:15 AM by SaranKanna | Created: Jan 29 at 1:02 PM by SaranKanna

Have a custom .NET method translate to arbitrary T-SQL expression

A LINQ Where() predicate should be able to translate into a T-SQL expression so that MS SQL Server can execute a custom expression (e. g. UDF) from having a .NET representation in code. This is p...

Id #2660 | Release: None | Updated: Jan 29 at 1:03 PM by SaranKanna | Created: Jan 28 at 12:12 PM by SetTrend

Migrationing from EF5 to 6.1.2 fails for SqlCE

The exception System.Data.SqlServerCe.SqlCeException (0x80004005): The foreign key constraint does not exist. [ PK___MigrationHistory ] is thrown when attempting a migration of a SqlCE database c...

Id #2659 | Release: Investigation | Updated: Jan 28 at 7:13 PM by RoMiller | Created: Jan 26 at 11:21 AM by davidwics

Strange action when delete a recored in a recursive relation table

Well, it is very strange action when I deleted a child row in a recursive relation table it updated all the other children to be null in the parentId Here is my mapping class the result in d...

Id #2658 | Release: None | Updated: Jan 30 at 12:13 AM by RoMiller | Created: Jan 25 at 1:59 PM by ibrahimkais

Support TransactionScope better by not opening a new connection for each query (and promoting to MSDTC)

Right now TransactionScope is supported by EF in the sense that queries are made under Transaction.Current. Unfortunately, EF is prone to open many physical connections under the same transaction. ...

Id #2657 | Release: Investigation | Updated: Jan 28 at 7:14 PM by RoMiller | Created: Jan 25 at 11:10 AM by xor88

Bidirectional fluent mapping is not honored

We've noticed that fluent collection mappings do not persist when the right mapping includes a HasRequired().WithMany() relationship. Example: public class Account { public virtual ICollection User...

Id #2654 | Release: None | Updated: Jan 26 at 6:57 PM by RoMiller | Created: Jan 22 at 3:17 AM by christophla

Query with multiple Includes does not work in 6.1.2 (working in 6.1.1)

We have a query that use many "Includes". The generated SQL Code is invalid. We are using EF together with DevArt for Oracle. I could not confirm, that the same query will/will also not work wit...

Id #2653 | Release: Investigation | Updated: Jan 31 at 8:53 PM by divega | Created: Jan 21 at 2:37 PM by BGrojer