2025迁移版本，多项规则修改

MesETL.App/Options/DatabaseOutputOptions.cs

@@ -1,29 +1,66 @@
-namespace MesETL.App.Options;
+using MesETL.App.HostedServices;
+
+namespace MesETL.App.Options;
 
 public class DatabaseOutputOptions
 {
+    /// <summary>
+    /// 输出数据库的连接字符串
+    /// </summary>
     public string? ConnectionString { get; set; }
 
+    /// <summary>
+    /// MySql max_allowed_packet变量值大小
+    /// </summary>
     public int MaxAllowedPacket { get; set; } = 32 * 1024 * 1024;
 
+    /// <summary>
+    /// 每次Insert提交的数据量
+    /// </summary>
     public int FlushCount { get; set; } = 10000;
 
+    /// <summary>
+    /// 每个数据库最大提交任务数
+    /// </summary>
     public int MaxDatabaseOutputTask { get; set; } = 4;
 
+    /// <summary>
+    /// 将json列作为16进制格式输出(0x前缀)
+    /// </summary>
     public bool TreatJsonAsHex { get; set; } = true;
 
+    /// <summary>
+    /// 不对某些表进行输出
+    /// </summary>
     public string[] NoOutput { get; set; } = [];
     
+    /// <summary>
+    /// <para>当某张表的键出现重复时，在输出时使用ON DUPLICATE KEY UPDATE更新该条记录</para>
+    /// <para>表名为键，更新的字段为值</para>
+    /// <example>
+    /// <code>
+    /// {
+    ///     // 当order_data_parts表的键出现重复时，使用ON DUPLICATE KEY UPDATE更新已存在记录的CompanyID为新插入记录的值
+    ///     "order_data_parts": "CompanyID = new.CompanyID"
+    /// }
+    /// </code>
+    /// </example>
+    /// </summary>
     public Dictionary<string, string>? ForUpdate { get; set; }
 
     /// <summary>
-    /// 配置导入数据的特殊列
+    /// 配置导入数据的特殊列，请在代码中配置
     /// </summary>
     public Dictionary<string, ColumnType> ColumnTypeConfig { get; set; } = new(); // "table.column" -> type
+    
+    /// <summary>
+    /// 所有数据都输出完毕时的事件，请在代码中配置
+    /// </summary>
+    public Action<DataOutputContext>? OutputFinished { get; set; } 
 
     public ColumnType GetColumnType(string table, string column)
     {
-        return ColumnTypeConfig.GetValueOrDefault($"{table}.{column}", ColumnType.UnDefine);
+        return ColumnTypeConfig.GetValueOrDefault(string.Concat(table, ".", column), ColumnType.UnDefine);
     }
 
     public bool TryGetForUpdate(string table, out string? forUpdate)