Method updateRelationCount

internal/repository/dao/relation.go:188–200

updateRelationCount 更新关注或粉丝计数器

(tx *gorm.DB, userID int64, field string, delta int64, timestamp int64)

// updateRelationCount 更新关注或粉丝计数器
func (r *relationDAO) updateRelationCount(tx *gorm.DB, userID int64, field string, delta int64, timestamp int64) error {
	return tx.Clauses(clause.OnConflict{
		Columns: []clause.Column{{Name: "user_id"}},
		DoUpdates: clause.Assignments(map[string]interface{}{
			field:        gorm.Expr(field+" + ?", delta),
			"updated_at": timestamp,
		}),
	}).Create(&RelationCount{
		UserID:    userID,
		CreatedAt: timestamp,
		UpdatedAt: timestamp,
	}).Error
}