新增非法字段检查

MesETL.App/Const/ConstVar.cs

@@ -4,5 +4,5 @@ public static class ConstVar
 {
     public const string Producer = "Producer";
     public const string Null = "NULL";
-    public const string MyDumperNull = "NULL";
+    public const string MyDumperNull = @"\N";
 }

MesETL.App/Program.cs

@@ -334,6 +334,8 @@ async Task RunProgram()
 
         static void ReplaceIfMyDumperNull(DataRecord record, string fieldName, string replaceValue)
         {
+            Log.Logger.Warning("发现不可空的字段为空({TableName}.{FieldName})，填充默认值: {DefaultValue}", 
+                record.TableName, fieldName, replaceValue);
             if (record[fieldName] is ConstVar.MyDumperNull)
                 record[fieldName] = replaceValue;
         }
@@ -359,7 +361,9 @@ async Task RunProgram()
                     break;
                 // OrderBlockPlan处理text->json列
                 case TableNames.OrderBlockPlan:
-                    JsonDocument.Parse(record["OrderNos"]);
+                    // 将所有值为'[]'(即字符串长度小等于2(16进制长度小于4))的置空 [] = 0x5b5d
+                    if (record["OrderNos"].Length <= 4)
+                        record["OrderNos"] = "NULL";
                     break;
                 // OrderBlockPlanResult，添加CompanyID
                 case TableNames.OrderBlockPlanResult:

MesETL.App/Services/ETL/MySqlDestination.cs

@@ -139,7 +139,7 @@ public partial class MySqlDestination : IDisposable, IAsyncDisposable
                     // 在这里处理特殊列
                     #region HandleFields
 
-                    if (field.Length == 2 && field == @"\N") // MyDumper导出的NULL为'\N'（'\'不是转义字符）
+                    if (field.Length == 2 && field == ConstVar.MyDumperNull) // MyDumper导出的NULL为'\N'（'\'不是转义字符）
                     {
                         recordSb.Append(ConstVar.Null);
                         goto Escape;