fix: 监控数据迁移增加数据长度判断 (#4454)

backend/init/migration/migrations/v_1_10.go

@@ -55,54 +55,54 @@ var NewMonitorDB = &gormigrate.Migration{
 			ios      []model.MonitorIO
 			networks []model.MonitorNetwork
 		)
-		if err := tx.Find(&bases).Error; err != nil {
-			return err
-		}
-		if err := tx.Find(&ios).Error; err != nil {
-			return err
-		}
-		if err := tx.Find(&networks).Error; err != nil {
-			return err
-		}
+		_ = tx.Find(&bases).Error
+		_ = tx.Find(&ios).Error
+		_ = tx.Find(&networks).Error
+
 		if err := global.MonitorDB.AutoMigrate(&model.MonitorBase{}, &model.MonitorIO{}, &model.MonitorNetwork{}); err != nil {
 			return err
 		}
-
 		_ = global.MonitorDB.Exec("DELETE FROM monitor_bases").Error
 		_ = global.MonitorDB.Exec("DELETE FROM monitor_ios").Error
 		_ = global.MonitorDB.Exec("DELETE FROM monitor_networks").Error
 
-		for i := 0; i <= len(bases)/200; i++ {
-			var itemData []model.MonitorBase
-			if 200*(i+1) <= len(bases) {
-				itemData = bases[200*i : 200*(i+1)]
-			} else {
-				itemData = bases[200*i:]
-			}
-			if err := global.MonitorDB.Create(&itemData).Error; err != nil {
-				return err
+		if len(bases) != 0 {
+			for i := 0; i <= len(bases)/200; i++ {
+				var itemData []model.MonitorBase
+				if 200*(i+1) <= len(bases) {
+					itemData = bases[200*i : 200*(i+1)]
+				} else {
+					itemData = bases[200*i:]
+				}
+				if err := global.MonitorDB.Create(&itemData).Error; err != nil {
+					return err
+				}
 			}
 		}
-		for i := 0; i <= len(ios)/200; i++ {
-			var itemData []model.MonitorIO
-			if 200*(i+1) <= len(ios) {
-				itemData = ios[200*i : 200*(i+1)]
-			} else {
-				itemData = ios[200*i:]
-			}
-			if err := global.MonitorDB.Create(&itemData).Error; err != nil {
-				return err
+		if len(ios) != 0 {
+			for i := 0; i <= len(ios)/200; i++ {
+				var itemData []model.MonitorIO
+				if 200*(i+1) <= len(ios) {
+					itemData = ios[200*i : 200*(i+1)]
+				} else {
+					itemData = ios[200*i:]
+				}
+				if err := global.MonitorDB.Create(&itemData).Error; err != nil {
+					return err
+				}
 			}
 		}
-		for i := 0; i <= len(networks)/200; i++ {
-			var itemData []model.MonitorNetwork
-			if 200*(i+1) <= len(networks) {
-				itemData = networks[200*i : 200*(i+1)]
-			} else {
-				itemData = networks[200*i:]
-			}
-			if err := global.MonitorDB.Create(&itemData).Error; err != nil {
-				return err
+		if len(networks) != 0 {
+			for i := 0; i <= len(networks)/200; i++ {
+				var itemData []model.MonitorNetwork
+				if 200*(i+1) <= len(networks) {
+					itemData = networks[200*i : 200*(i+1)]
+				} else {
+					itemData = networks[200*i:]
+				}
+				if err := global.MonitorDB.Create(&itemData).Error; err != nil {
+					return err
+				}
 			}
 		}
 		return nil