util

Documentation

Index

• Variables
• func Check(ctx context.Context, db *gorm.DB) (bool, error)
• func ExecTrans(ctx context.Context, db *gorm.DB, fn TransFunc) error
• func ExecTransWithLock(ctx context.Context, db *gorm.DB, fn TransFunc) error
• func FindOne(ctx context.Context, db *gorm.DB, out interface{}) (bool, error)
• func FindPage(ctx context.Context, db *gorm.DB, pp schema.PaginationParam, out interface{}) (int64, error)
• func GetDB(ctx context.Context, defDB *gorm.DB) *gorm.DB
• func GetDBWithModel(ctx context.Context, defDB *gorm.DB, m interface{}) *gorm.DB
• func ParseOrder(items []*schema.OrderField, handle ...OrderFieldFunc) string
• func WrapPageQuery(ctx context.Context, db *gorm.DB, pp schema.PaginationParam, out interface{}) (*schema.PaginationResult, error)
• type Model
• type OrderFieldFunc
• type Trans
  • func (a *Trans) Exec(ctx context.Context, fn func(context.Context) error) error
• type TransFunc

Variables

var TransSet = wire.NewSet(wire.Struct(new(Trans), "*"))

TransSet 注入Trans

Functions

func Check

func Check(ctx context.Context, db *gorm.DB) (bool, error)

Check 检查数据是否存在

func ExecTrans

func ExecTrans(ctx context.Context, db *gorm.DB, fn TransFunc) error

ExecTrans 执行事务

func ExecTransWithLock

func ExecTransWithLock(ctx context.Context, db *gorm.DB, fn TransFunc) error

ExecTransWithLock 执行事务（加锁）

func FindOne

func FindOne(ctx context.Context, db *gorm.DB, out interface{}) (bool, error)

FindOne 查询单条数据

func FindPage

func FindPage(ctx context.Context, db *gorm.DB, pp schema.PaginationParam, out interface{}) (int64, error)

FindPage 查询分页数据

func GetDB

func GetDB(ctx context.Context, defDB *gorm.DB) *gorm.DB

GetDB Get gorm.DB from context

func GetDBWithModel

func GetDBWithModel(ctx context.Context, defDB *gorm.DB, m interface{}) *gorm.DB

GetDBWithModel Get gorm.DB.Model from context

func ParseOrder

func ParseOrder(items []*schema.OrderField, handle ...OrderFieldFunc) string

ParseOrder 解析排序字段

func WrapPageQuery

func WrapPageQuery(ctx context.Context, db *gorm.DB, pp schema.PaginationParam, out interface{}) (*schema.PaginationResult, error)

WrapPageQuery 包装带有分页的查询

Types

type Model

type Model struct {
	ID        uint64 `gorm:"primaryKey;"`
	CreatedAt time.Time
	UpdatedAt time.Time
}

Model Define basic

type OrderFieldFunc

type OrderFieldFunc func(string) string

OrderFieldFunc 排序字段转换函数

type Trans

type Trans struct {
	DB *gorm.DB
}

Trans 事务管理

func (*Trans) Exec

func (a *Trans) Exec(ctx context.Context, fn func(context.Context) error) error

Exec 执行事务

type TransFunc

type TransFunc func(context.Context) error

TransFunc 定义事务执行函数