( @"Data Source=localhost;Database=EFCoreTests;Integrated Security=true;Trust Server Certificate=true" ) .LogTo( Console.WriteLine , LogLevel.Information ) .EnableSensitiveDataLogging( ); } } /// /// My Projection Class that i expect in the UNION result of the selects /// public class...
I can see, the order of the columns returned by the query don't match the same order in ...
I can see, the order of the columns returned by the query don't match the same order in ...
This issue is about removing a subquery join in a very particular case, but there are quite a few others where doing so isn't possible. Subquery joins are a standard SQL feature, and a database which doesn't support them is likely to have many issues as an EF Core relational provider....
On January 13, 2025, in Shanghai,Lorenzo Riccardi, Chairman of theChina-Italy Chamber of Commerce (CICC), andWei Chen, CICC Public Affairs Manager, attended the inauguration of theItalian Innovation Centerand witnessed the ...
这些示例使用 System.Collections.Generic.IEnumerable<T> 数据源。 基于 System.Linq.IQueryProvider 的数据源使用 System.Linq.IQueryable<T> 数据源和表达式树。 表达式树对允许的 C# 语法有限制。 此外,每个 IQueryProvider 数据源(如 EF Core)可能会施加更多限制。 查看数据源的文档。当...
这些示例使用System.Collections.Generic.IEnumerable<T>数据源。 基于System.Linq.IQueryProvider的数据源使用System.Linq.IQueryable<T>数据源和表达式树。 表达式树对允许的 C# 语法有限制。 此外,每个IQueryProvider数据源(如EF Core)可能会施加更多限制。 查看数据源的文档。
这些示例使用System.Collections.Generic.IEnumerable<T>数据源。 基于System.Linq.IQueryProvider的数据源使用System.Linq.IQueryable<T>数据源和表达式树。 表达式树对允许的 C# 语法有限制。 此外,每个IQueryProvider数据源(如EF Core)可能会施加更多限制。 查看数据源的文档。
“GOG was created with video game preservation in mind”, said Maciej Gołębiewski, Managing Director at GOG. “Classic games and the mission to safeguard them for future generations have always been at the core of our work. Over the past decade, we’ve honed our experti...
Pushing Data-Induced Predicates Through Joins in Big-Data Clusters: Extended Version Srikanth Kandula, Laurel Orr, Surajit Chaudhuri Microsoft Abstract– Using data statistics, we convert predicates on a table into data induced predicates (diPs) that apply on the joining tables. Doing so ...