Dávid Németi

Hi, I have fixed the "Concurrency-Exception-Handling fails #11" bug. If you find my fix appropriate, please accept my pull request. Thanks, David

The LINQ in "Create a nested group" example contains a superfluous group

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The LINQ in "Create a nested group" example contains a superfluous `group`: it contains three, but only two would be necessary. The third group regroups the first grouping, which has...

UpdateFromQuery fails using related entity (EF Core)

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### Description `UpdateFromQuery` fails when using **related** entity in EF Core. Note that it works in EF. ### Exception ``` Microsoft.Data.SqlClient.SqlException (0x80131904): The multi-part identifier "r.PropInRelated" could not be bound....

UpdateFromQuery fails using related entity with inheritance (EF and EF Core)

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### Description `UpdateFromQuery` fails when using **related** entity if the updated entity is of a **derived** entity type. Note that if inheritance is not involved, then it succeeds in EF,...

BulkSaveChanges throws too general exception upon error

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### Description `BulkSaveChanges` throws too general exception upon error: `Exception`. E.g. when an `SqlException` occurs then this is happening: Operation | Explanation | Exception structure -- | -- | --...

QueryHookManager needs the ability to manually add QueryHookCommandInterceptor

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### Description It would be useful if we could **indicate** to `QueryHookManager` that we have already registered `QueryHookCommandInterceptor`; or it would be even better if we could **manually register** `QueryHookCommandInterceptor`...

### Reproduction steps The `sourceBranch` and `targetBranch` has a `commonAncestorCommit` with an existing file `Foo.cs`. A lot of (let's say: 3000) other files exist too. The `sourceBranch` contains one single...

The generation for Grammar Cells' "optional" fails when using with references.  I am using the MPS 2017.2.2 + mbeddr 2017.2.0 (Plugin Distribution) combo.