修复错误的试运行模式

MesETL.App/HostedServices/FileInputService.cs

@@ -65,7 +65,10 @@ public class FileInputService : IInputService
             var file = Path.GetFileName(info.FileName);
             _logger.LogInformation("正在读取文件：{FileName}, 对应的数据表：{TableName}", file, info.TableName);
             using var source = _dataReaderFactory.CreateReader(info.FileName, info.TableName, info.Headers);
-            var count = 0;
+            var countBuffer = 0;
+            
+            if (_dryRun && _context.TableProgress.GetValueOrDefault(info.TableName, (input: 0, output: 0)).input >= _dryRunCount)
+                continue;
             
             while (await source.ReadAsync())
             {
@@ -78,13 +81,23 @@ public class FileInputService : IInputService
                 }
                 var record = source.Current;
                 await _producerQueue.EnqueueAsync(record);
-                count++;
+                countBuffer++;
                 _context.AddInput();
-                if (_dryRun && count >= _dryRunCount)
-                    break;
+                
+                // 避免影响性能，每1000条更新一次表输入进度
+                if (countBuffer >= 1000)
+                {
+                    _context.AddTableInput(info.TableName, countBuffer);
+                    countBuffer = 0;
+                    // 试运行模式下，超出了指定行数则停止输入
+                    if (_dryRun && _context.TableProgress[info.TableName].input >= _dryRunCount)
+                    {
+                        break;
+                    }
+                }
             }
 
-            _context.AddTableInput(info.TableName, count);
+            _context.AddTableInput(info.TableName, countBuffer);
             _logger.LogInformation("文件 {File} 输入完成", file);
             _dataInputOptions.Value.OnTableInputCompleted?.Invoke(info.TableName);
         }