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Considering the following enum
MyEnum.cs
```csharp
public enum MyEnum
{
Case1,
Case2,
Case3,
}
public static class MyEnumExtensions
{
public static string GetString(…
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Hello,
Stumbled upon a similar case as #2366, but the error still happens.
Package: "Npgsql.EntityFrameworkCore.PostgreSQL" version 8.0.4
Sample that reproduces error:
[EFCoreUnionWithNulls…
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Query:
```c#
_ = await ctx.Blogs.SelectMany(b => b.Tags).ToListAsync();
```
Full repro
```c#
await using var ctx = new BlogContext();
await ctx.Database.EnsureDeletedAsync();
await ctx…
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#### 问题描述及重现代码：
1. 该方法为定时任务调度，一个小时执行一次。 应该不存在多线程问题。
2. 执行逻辑是循环每次获取100条数据，修改数据之后调用UpdateAsync()方法批量更新
3. 报错为概率性，不是必现，但是概率较大。
4. 报错信息如下：
ArgumentOutOfRangeException: Index must be within the b…
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## Exception in the following case
Using compatibility level 120 (to avoid JSON arrays), the following query throws exception:
```C#
string[] array = { "a", "b" };
var items = await dbse…
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In our project we are using EF Core 2.1 preview 2, in the preview 1 version we used to use a lot of Include / ThenInclude methods. In the return methods we use AutoMapper to map the database objects t…
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Hello!
I have a code which I expect to return me 3 groups of items.
```C#
var spec = new EntitySpec();
var query = _repository.GetQuery(spec);
var result = await query
.GroupBy(x => (G…
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### Is there an existing issue for this?
- [X] I have searched the existing issues
### Product
Hot Chocolate
### Describe the bug
I've added AutoMapper to our HC 12 + EF Core 7 project to complic…
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I'm using a bit change example from microsoft documentation "What's new in EF 7":
```C#
using Microsoft.EntityFrameworkCore;
using System.Reflection;
namespace EfCoreTpc;
public class Program…
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We accidentally updated DynamicFilters to v2.2 through Nuget and all our many of our queries did no longer work. We are only applying an IsDeleted filter globally and with version 1.4, the queries onl…