## v0.4.13

- 优化 MySql 日期类型精确至毫秒；
- 增加 Distinct 查询前去重数据；

FreeSql.Tests/MySql/MySqlCodeFirstTest.cs

@@ -50,7 +50,7 @@ namespace FreeSql.Tests.MySql {
   `testFieldFloat` FLOAT NOT NULL, 
   `testFieldDecimal` DECIMAL(10,2) NOT NULL, 
   `testFieldTimeSpan` TIME NOT NULL, 
-  `testFieldDateTime` DATETIME NOT NULL, 
+  `testFieldDateTime` DATETIME(3) NOT NULL, 
   `testFieldBytes` VARBINARY(255), 
   `testFieldString` VARCHAR(255), 
   `testFieldGuid` VARCHAR(36), 
@@ -67,7 +67,7 @@ namespace FreeSql.Tests.MySql {
   `testFieldFloatNullable` FLOAT, 
   `testFieldDecimalNullable` DECIMAL(10,2), 
   `testFieldTimeSpanNullable` TIME, 
-  `testFieldDateTimeNullable` DATETIME, 
+  `testFieldDateTimeNullable` DATETIME(3), 
   `testFieldGuidNullable` VARCHAR(36), 
   `testFieldPoint` POINT, 
   `testFieldLineString` LINESTRING,