db

package

v0.1.2 Latest Latest Go to latest Published: Aug 6, 2025 License: MIT Imports: 9 Imported by: 0

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Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/smartmemos/memos

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Documentation ¶

Index ¶

func BuildQuery(f any) (string, []any)
func Count(ctx context.Context, v schema.Tabler, f Filter) (total int64, err error)
func Create(ctx context.Context, v any) error
func Delete(ctx context.Context, m schema.Tabler, f Filter) (int64, error)
func EscapeField(field string) string
func Find(ctx context.Context, f Filter, v any) error
func FindOne(ctx context.Context, f Filter, v any) error
func GetDB(ctx context.Context) *gorm.DB
func HasNextPage(total int64, page int64, pageSize int64) bool
func HasRecrods(total int64, page int64, pageSize int64) bool
func Init(cfg Config)
func IsDbError(err error) bool
func IsRecordNotFound(err error) bool
func Save(ctx context.Context, v any) error
func Update(ctx context.Context, m schema.Tabler, v any) error
func Updates(ctx context.Context, m schema.Tabler, f Filter, v any) (int64, error)
type BaseFilter
- func NewBaseFilter(page, size int, orderBy string) BaseFilter
- func (f BaseFilter) GetFields() string
- func (f BaseFilter) GetOrder() string
- func (f BaseFilter) GetPage() int64
- func (f BaseFilter) GetPageSize() int64
- func (f BaseFilter) HasNextPage(total int64) bool
type Config
type F
- func Eq[T any](v T) F[T]
- func Gt[T any](v T) F[T]
- func Gte[T any](v T) F[T]
- func In[T any](v []T) F[[]T]
- func Like[T any](v T) F[T]
- func Lt[T any](v T) F[T]
- func Lte[T any](v T) F[T]
- func NewEmptyF[T any](v T) F[T]
- func NewF[T any](op string, value T) F[T]
- func NotEq[T any](v T) F[T]
- func NotIn[T any](v []T) F[[]T]
- func NotLike[T any](v T) F[T]
- func Omit[T any](v T, fn func(T) F[T]) F[T]
- func OmitEq[T any](v T) F[T]
- func OmitGt[T any](v T) F[T]
- func OmitGte[T any](v T) F[T]
- func OmitIn[T any](v []T) F[[]T]
- func OmitLike[T any](v T) F[T]
- func OmitLt[T any](v T) F[T]
- func OmitLte[T any](v T) F[T]
- func OmitNotEq[T any](v T) F[T]
- func OmitNotIn[T any](v []T) F[[]T]
- func OmitNotLike[T any](v T) F[T]
- func Omits[T any](v []T, fn func([]T) F[[]T]) F[[]T]
type Filter
type Model

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func BuildQuery ¶

func BuildQuery(f any) (string, []any)

func Count ¶

func Count(ctx context.Context, v schema.Tabler, f Filter) (total int64, err error)

Count 计数

func Create ¶

func Create(ctx context.Context, v any) error

Create 新增记录

func Delete ¶

func Delete(ctx context.Context, m schema.Tabler, f Filter) (int64, error)

Delete 删除记录

func EscapeField ¶

func EscapeField(field string) string

EscapeField 字段名称加上双引号，防止字段名与SQL关键字相同导致查询错误。

func Find ¶

func Find(ctx context.Context, f Filter, v any) error

Find 查多条记录

func FindOne ¶

func FindOne(ctx context.Context, f Filter, v any) error

FindOne 只查一条记录

func GetDB ¶

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

GetDB 返回实例

func HasNextPage ¶

func HasNextPage(total int64, page int64, pageSize int64) bool

HasNextPage 是否有下一页

func HasRecrods ¶

func HasRecrods(total int64, page int64, pageSize int64) bool

HasRecrods 当前页码是否有记录

func Init ¶

func Init(cfg Config)

Init 初始化

func IsDbError ¶

func IsDbError(err error) bool

func IsRecordNotFound ¶

func IsRecordNotFound(err error) bool

func Save ¶

func Save(ctx context.Context, v any) error

Save 保存记录

func Update ¶

func Update(ctx context.Context, m schema.Tabler, v any) error

Update 更新数据

func Updates ¶

func Updates(ctx context.Context, m schema.Tabler, f Filter, v any) (int64, error)

Updates 更新数据

Types ¶

type BaseFilter ¶

type BaseFilter struct {
	Fields   string
	OrderBy  string
	Page     int64
	PageSize int64
}

BaseFilter 实现Filter接口的结构体

func NewBaseFilter ¶

func NewBaseFilter(page, size int, orderBy string) BaseFilter

NewBaseFilter

func (BaseFilter) GetFields ¶

func (f BaseFilter) GetFields() string

GetFields 查询字段

func (BaseFilter) GetOrder ¶

func (f BaseFilter) GetOrder() string

GetOrder 排序

func (BaseFilter) GetPage ¶

func (f BaseFilter) GetPage() int64

GetPage 页码

func (BaseFilter) GetPageSize ¶

func (f BaseFilter) GetPageSize() int64

GetPageSize 每页大小

func (BaseFilter) HasNextPage ¶

func (f BaseFilter) HasNextPage(total int64) bool

HasNextPage 是否有下一页

type Config ¶

type Config struct {
	Type     string
	Host     string
	Port     int
	User     string
	Password string
	Name     string
}

type F ¶

type F[T any] struct {
	Op    string
	Value T
}

func Eq ¶

func Eq[T any](v T) F[T]

func Gt ¶

func Gt[T any](v T) F[T]

func Gte ¶

func Gte[T any](v T) F[T]

func In ¶

func In[T any](v []T) F[[]T]

func Like ¶

func Like[T any](v T) F[T]

func Lt ¶

func Lt[T any](v T) F[T]

func Lte ¶

func Lte[T any](v T) F[T]

func NewEmptyF ¶

func NewEmptyF[T any](v T) F[T]

func NewF ¶

func NewF[T any](op string, value T) F[T]

func NotEq ¶

func NotEq[T any](v T) F[T]

func NotIn ¶

func NotIn[T any](v []T) F[[]T]

func NotLike ¶

func NotLike[T any](v T) F[T]

func Omit ¶

func Omit[T any](v T, fn func(T) F[T]) F[T]

Omit 如果值为零值，则不添加条件

func OmitEq ¶

func OmitEq[T any](v T) F[T]

func OmitGt ¶

func OmitGt[T any](v T) F[T]

func OmitGte ¶

func OmitGte[T any](v T) F[T]

func OmitIn ¶

func OmitIn[T any](v []T) F[[]T]

func OmitLike ¶

func OmitLike[T any](v T) F[T]

func OmitLt ¶

func OmitLt[T any](v T) F[T]

func OmitLte ¶

func OmitLte[T any](v T) F[T]

func OmitNotEq ¶

func OmitNotEq[T any](v T) F[T]

func OmitNotIn ¶

func OmitNotIn[T any](v []T) F[[]T]

func OmitNotLike ¶

func OmitNotLike[T any](v T) F[T]

func Omits ¶

func Omits[T any](v []T, fn func([]T) F[[]T]) F[[]T]

Omits 如果值为空，则不添加条件

type Filter ¶

type Filter interface {
	GetFields() string
	GetPage() int64
	GetPageSize() int64
	GetOrder() string
	HasNextPage(total int64) bool
}

Filter 接口

type Model ¶

type Model struct {
	ID        int64     `gorm:"primary_key" json:"id,string"`                       // 主键ID
	CreatedAt time.Time `gorm:"column:created_ts;autoCreateTime" json:"created_at"` // 创建时间
	UpdatedAt time.Time `gorm:"column:updated_ts;autoUpdateTime" json:"updated_at"` // 更新时间
}

Model 基础结构

Source Files ¶

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