feat: add index on monitor history (#320)

model/monitor_history.go

@@ -1,20 +1,22 @@
 package model
 
-const (
+import (
-	Cycle = iota
+	"time"
-	Hour
+
-	Day
+	"gorm.io/gorm"
-	Week
-	Month
 )
 
 // MonitorHistory 历史监控记录
 type MonitorHistory struct {
-	Common
+	ID        uint64         `gorm:"primaryKey"`
-	MonitorID uint64
+	CreatedAt time.Time      `gorm:"index;<-:create;index:idx_server_id_created_at_monitor_id_avg_delay"`
-	ServerID  uint64
+	UpdatedAt time.Time      `gorm:"autoUpdateTime"`
-	AvgDelay  float32 // 平均延迟，毫秒
+	DeletedAt gorm.DeletedAt `gorm:"index"`
-	Up        uint64  // 检查状态良好计数
+	MonitorID uint64         `gorm:"index:idx_server_id_created_at_monitor_id_avg_delay"`
-	Down      uint64  // 检查状态异常计数
+	ServerID  uint64         `gorm:"index:idx_server_id_created_at_monitor_id_avg_delay"`
+	AvgDelay  float32        `gorm:"index:idx_server_id_created_at_monitor_id_avg_delay"` // 平均延迟，毫秒
+	Up        uint64         // 检查状态良好计数
+	Down      uint64         // 检查状态异常计数
 	Data      string
 }
+