发布于 2016-09-16 07:27:22 | 157 次阅读 | 评论: 0 | 来源: 网友投递
Entity Framework
ADO.NET Entity Framework 是微软以 ADO.NET 为基础所发展出来的对象关系对应 (O/R Mapping) 解决方案，早期被称为 ObjectSpace，现已经包含在 Visual Studio 2008 Service Pack 1 以及 .NET Framework 3.5 Service Pack 1 中发表。
Entity Framework Core 1.0.1 发布了， 该版本修复了大量的Bug，详细如下：
Bugs Fixed
Query: Second level expand not returning correct data (#6366)
Query: GroupJoin generates LEFT-JOIN and doesn't return all results (#6360)
ModelBuilder: Confusing exception when mismatched property types are used in a relationship (#6260)
Migrations: Using name with Script-Migration doesn't work (only ID) (#6228)
Migrations: Script-Migration doesn't revert -From migration (#6126)
Query: LoadAsync does not work (#6122)
SaveChanges: Wrong save order for one to many in combination with multi level inheritance (#6055)
Query: Wrong data in included navigation when using Skip() method (#5901)
ModelBuilder: Exception when KeyAttribute used with inheritance (#5898)
Migrations: RC2 to RTM Regression - Different properties with same name in derived classes cause exceptions (#5894)
Query: Error using a compare with a nullable boolean (#5877)
Query: Invalid SQL generated for Guid literals on SQLite (#5801)
Globalization: Potential bugs due to not specifying culture in string.Format() (#5765)
Query: Incorrect type mapping chosen for parameter - causes invalid SQL on Postgres (#5717)
Query: Exception when filter uses subquery and query is executed asynchronously (#5640)
Query: Exception when projecting navigation property value that could return null, but does not ("Argument Types do not match") (#5522)
Query: Threading issues cause NullReferenceException in SimpleNullableDependentKeyValueFactory (#5456)
Query: Exception when filtering on nullable boolean value (through navigation property) (#5454)
Query: Exception when using OrderBy and navigation ("A column has been specified more than once in the order by list") (#5427)
Query: Select after complex GroupJoin leads to unpredictable results (#4858)
Query: Join flattening fails for some cases involving SelectMany (#4539)
Query: Exception when using the "let" keyword and grouping (#3676)
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