c# - 将复合类型从 postgresql 映射到 ef core

Question

我在我的 postgre 数据库中定义了以下复合类型:

CREATE TYPE foobar AS
(
   foo NUMERIC,
   bar NUMERIC
);

我创建了一个具有相同属性的结构:

public struct FooBar
{
   public decimal Foo { get; set; }
   public decimal Bar { get; set; }
}

现在我想在实体中使用 FooBar:

public class FooyaEntity
{
   public Guid Id { get; set; }
   public string Name { get; set; }
   public FooBar FooBar { get; set; }
}

我将如何配置 ef core 以正确映射这些？目前在尝试添加内容时会产生以下错误:

System.InvalidOperationException: The property 'Test.FooBar' could not be mapped, because it is of type 'FooBar' which is not a supported primitive type or a valid entity type. Either explicitly map this property, or ignore it using the '[NotMapped]' attribute or by using 'EntityTypeBuilder.Ignore' in 'OnModelCreating'.

还有 documentation for npgsql显示没有 ef 核心的工作示例。

Answer 1

还不支持映射到 PostgreSQL 复合类型，this is tracked by this issue .感兴趣的小伙伴快点赞吧!