??EF?????MySQL???????????????
???????????? ???????[ 2016/6/29 10:45:11 ] ????????????? MySQL
????????????
???????????????? Specified key was too long;max key length is 767 bytes
????1?????????????????????????????????
????2??MyContext ?????????????????mysql ????????? [DbConfigurationType(typeof(MySqlEFConfiguration))]
???????????????? Model compatibility cannot be checked because the database does not contain model metadata
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???????磺1.
public class Employee
{
[Key]
public int EmployeeId { get; set; }
public string Name { get; set; }
[ForeignKey("ManagerId")]
public Employee Manager { get; set; }
public int ManagerId { get; set; }
}
[ForeignKey("ManagerId")]
public Employee Manager { get; set; }
public int ManagerId { get; set; }
?????????á?
????2.
[Column(TypeName="VARCHAR(254)")]
public string ColumnName { get; set; }
????????壬????
[MaxLength(254)] [Column(TypeName="VARCHAR")]
public string ColumnName { get; set; }
????3.?????′???δ???????????????????????????????н????в????
modelBuilder.Entity<Category>()
.HasKey(c => c.IdCategory )
.HasOptional(p => p.Children)
.WithMany()
.HasForeignKey(c => c.ChildrenId);
???:
modelBuilder.Entity<Category>()
.HasKey(c => c.IdCategory )
.HasMany(p => p.Children)
.WithOptional()
.HasForeignKey(c => c.ChildrenId);
.WithMany()????.WithOptional()
???????????????????????漰???????????????????SPASVOС??(021-61079698-8054)?????????????????????????
??????
???mysql?????????????mysql????? distinct?÷?MySQL?н???????????з??Mysql?????????MySQL Cluster??δ????????????????ν?MySQL??????????300???????MySQL???Uber???????????????????MySql SQL??????????MySQL?????????????????λЧ?????SQL???Java???????:?????MySQL???????linux?°??mysql????MySQL ???????????????????binlog??MySQL????????????Щ??????MySQL???????Mysql???????JDBC?????mysql?????
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2023/3/23 14:23:39???д?ò??????????
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2021/5/28 17:25:47??????APP??????????
2021/5/8 17:01:11????????
?????????App Bug???????????????????????Jmeter?????????QC??????APP????????????????app?????е????????jenkins+testng+ant+webdriver??????????????JMeter????HTTP???????Selenium 2.0 WebDriver ??????