Entity Framework Core 1.0.1，大量 Bug 修复

julley

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　　Entity Framework Core 1.0.1 发布了，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。 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>
  
• 
  　　Migrations: Using name with Script-Migration doesn't work (only>
  
• 　　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>
  
• 　　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)
  

　　发行说明：

• 　　https://github.com/aspnet/EntityFramework/releases/tag/rel%2F1.0.1
  

　　下载地址：
　　

• 　　Source code (zip)
  
• 　　Source code (tar.gz)