我正在尝试在MySQL中创建一个函数:CREATE FUNCTION F_Dist3D (x1 decimal, y1 decimal) DETERMINISTICBEGIN SET dist = SQRT(x1 - y1);END;#1064 - You havean error in your SQL synta
当我对空子集合中的值求和时,将MySQL与EF6一起使用会抛出异常,因为在中相关的MySQL不能很好地支持DefaultIfEmpty。public class Foo public int Id { get; set; } public virtual这是MySQL的一个老bug。{ Received = f.Bars.Select(b => b.Received).DefaultIfEm