修复MySQL字符串异常的bug

Author: u-less

src/Storage/Vertex.Storage.Linq2db/Entities/EventEntity.cs

@@ -6,17 +6,16 @@ namespace Vertex.Storage.Linq2db.Entities
     [Table]
     public class EventEntity<TPrimaryKey>
     {
-        [Column]
-        [Column(DataType = DataType.VarChar, Length = 200)]
+        [Column(Length = 200, CanBeNull = false)]
         public TPrimaryKey ActorId { get; set; }
 
-        [Column(DataType = DataType.VarChar, Length = 200)]
+        [Column(DataType = DataType.VarChar, CanBeNull = false, Length = 200)]
         public string Name { get; set; }
 
         [Column(DataType = DataType.Text)]
         public string Data { get; set; }
 
-        [Column(DataType = DataType.VarChar, Length = 200)]
+        [Column(DataType = DataType.VarChar, CanBeNull = false, Length = 200)]
         public string FlowId { get; set; }
 
         [Column]

src/Storage/Vertex.Storage.Linq2db/Entities/SnapshotEntity.cs

@@ -7,8 +7,7 @@ namespace Vertex.Storage.Linq2db.Entities
     public class SnapshotEntity<TPrimaryKey>
     {
         [PrimaryKey]
-        [Column]
-        [Column(DataType = DataType.VarChar, Length = 200)]
+        [Column(Length = 200, CanBeNull = false)]
         public TPrimaryKey Id { get; set; }
 
         [Column(DataType = DataType.Text)]

src/Storage/Vertex.Storage.Linq2db/Entities/SubSnapshotEntity.cs

@@ -1,14 +1,12 @@
-using LinqToDB;
-using LinqToDB.Mapping;
+using LinqToDB.Mapping;
 
 namespace Vertex.Storage.Linq2db.Entities
 {
     [Table]
     public class SubSnapshotEntity<TPrimaryKey>
     {
         [PrimaryKey]
-        [Column]
-        [Column(DataType = DataType.VarChar, Length = 200)]
+        [Column(Length = 200, CanBeNull = false)]
         public TPrimaryKey Id { get; set; }
 
         [Column]