如何防止Dapper中的SQL隐式转换?我们通过遍历所有嵌入的Dapper代码并将列转换为cast(@SSN as varchar(9)), cast(@LastName as varcarh(25)), cast(@EmployeeId as varchar(10)来解决这个问题。我读过这个博客,只是我们没有像这个例子那样设置字符串:
new { queryPlanHash = arg
DB2ConnSettings& ppSettings, Object& ppConn) at Dapper.SqlMapper<QueryImpl>d__140`1.MoveNext() in /_/Dapper/SqlMapper.cs:line 1079
at System.Collections.Generic.List, Boolean buffered, Nullable`1 comman
see https://github.com/StackExchange/Dapper/issues/798 var oldValue = SqlMapper.LookupDbTypeDateTime), null, false, out var handler); SqlMapper.AddTypeMap(typeof
我在我的Location表中配置了一个User字段的EF:但是,当我使用以下方法查询我的User表时:
user(异常表,Int32索引,IDataReader阅读器,在d:\Dev\Dapper-net\Dapper NET40\SqlMapper.cs:line 4045 at Dapper.SqlMapper.d__111.MoveNext() in d:\Dev\dapper-dot-net\Dapper NET40\SqlMapper
我使用Dapper将我的实体映射到Server。如果我用Kind=Utc保存一个Kind=Utc,当我把它读回来时,我会得到一个带有Kind=Unspecified的DateTime,这会导致各种各样的问题。var f = new Foo { Id = 42, ModificationDate = DateTime.UtcNow };connection.Execute("insert into Foo(I
, Int32 length, Boolean returnNullIfFirstMissing) in /_/Dapper/SqlMapper.cs:line 3075 at Dapper.SqlMapper.TypeDeserializerCache.GetReader(Type type, IDataReader reader, Int32:line 50
at Da
(Identity标识,布尔checkForDuplicates,布尔removeUnused,D:\IList\Dapper-net\Dapper NET40\SqlMapper.cs:line 1578中的IList1 literals) in D:\Dev\dapper-dot-net\Dapper NET40\SqlMapper.cs:line 3033 at Dapper.SqlMapper.GetCacheInfo:line 2138 at Dapper.SqlMapper.<Qu
使用下面的示例代码作为上下文...当我运行这个查询时,我得到的'Id‘字段返回为默认值(对于int,它是0)。我想告诉dapper以一种方式运行,如果结果集中有一列没有映射到我的result对象上的属性,它就会抛出异常。(我知道问题只是我需要删除SQL查询中多余的'd‘,但我感兴趣的是让它更显式地公开自己)提前感谢(除了这个问题,对于任何没有尝试过的人来说,Dapper真的是自切片面包以来最伟大的东西!){
public int Id { get;