IoTSharp.Extensions.EFCore is an extension for EF.Core, and the main features include executing the original sql statement, converting the original sql statement to a tuple or a class or array or json object or DataTable .
IoTSharp.Extensions.EFCore 是一个针对EF.Core的扩展, 主要功能包括 执行原始sql语句, 将原始sql语句转换为 元组或者类或者数组。
_context.Database.SqlQuery<ImgInfo>("select * from ImageInfo litmt 1 ").FirstOrDefault();
_context.Database.SqlQuery<(int id,string body)>("select id,body from imageInfo").ToListAsync();
_context.Database.ExecuteScalar<long>($"select count(0) from pg_class where relname = '{ImageInfo}'");
var r = _context.Database.ExecuteNonQuery(Properties.Resources._imageinfo);
_context.Database.ExecuteScalar<long>("select count(0) from pg_class where relname = {0}","asdfds");