topicCategoryIndex

type Entity struct {
	Id         uint64    `gorm:"primaryKey;column:id;autoIncrement;not null;" json:"id"`
	TopicId    uint64    `` /* 175-byte string literal not displayed */
	CategoryId uint64    `` /* 169-byte string literal not displayed */
	Effective  int       `gorm:"column:effective;type:int;not null;default:0;index:idx_topic_category_effective,priority:1;" json:"effective"`
	CreatedAt  time.Time `gorm:"column:created_at;autoCreateTime;<-:create;" json:"createdAt"`
	UpdatedAt  time.Time `gorm:"column:updated_at;autoUpdateTime;" json:"updatedAt"`
}

type MultiCategoryTopicCount struct {
	CategoryID uint64 `gorm:"column:category_id"`
	TopicCount int64  `gorm:"column:topic_count"`
}