新增删除备份表

Chenfeng.MES.Archiver/Commands/MysqlCommand.cs

@@ -34,6 +34,9 @@ namespace Chenfeng.MES.Archiver.Commands
         [CommandOption("restore", Description = "回复表")]
         public bool Restore { get; set; } = false;
 
+        [CommandOption("rm-backup", Description = "删除备份表")]
+        public bool RemoveBackup { get; set; }
+
         [CommandOption("timeout", Description = "sql命令超时时间")]
         public int Timeout { get; set; } = 3;
 
@@ -51,7 +54,11 @@ namespace Chenfeng.MES.Archiver.Commands
 
             SqlMapper.Settings.CommandTimeout = 60 * Timeout;
 
-            if (Restore)
+            if (RemoveBackup)
+            {
+                console.Output.WriteLine("删除备份表");
+            }
+            else if (Restore)
             {
                 console.Output.WriteLine("还原备份表");
             }
@@ -175,7 +182,11 @@ namespace Chenfeng.MES.Archiver.Commands
 
             foreach (var item in list)
             {
-                if (Restore)
+                if (RemoveBackup)
+                {
+                    Db.Execute($"DROP TABLE IF EXISTS `{item.Table}_bak`");
+                }
+                else if (Restore)
                 {
                     Db.Execute($"DROP TABLE IF EXISTS `{item.Table}`");
                     Db.Execute($"RENAME TABLE `{item.Table}_bak` TO `{item.Table}`");