eav

package

v0.15.0 Latest Latest Go to latest Published: Mar 30, 2026 License: MIT Imports: 7 Imported by: 0

Details

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

github.com/issue9/cmfx

Links

Documentation ¶

Overview ¶

Package eav Entity-Attribute-Values 数据表管理

Index ¶

func AddValue[T ValueType](m *EAVs, entity, attr int64, val T) (int64, error)
func DelValue[T ValueType](m *EAVs, id int64) error
func GetValue[T ValueType](m *EAVs, id int64) (T, error)
func SetValue[T ValueType](m *EAVs, id int64, val T) error
type AttributeVO
type EAVs
- func Install(mod *cmfx.Module, prefix string) *EAVs
- func NewEAVs(mod *cmfx.Module, prefix string) *EAVs
type ValueType
type ValueVO
- func GetValues[T ValueType](m *EAVs, entity, attr int64) ([]*ValueVO[T], error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func AddValue ¶

func AddValue[T ValueType](m *EAVs, entity, attr int64, val T) (int64, error)

func DelValue ¶

func DelValue[T ValueType](m *EAVs, id int64) error

func GetValue ¶

func GetValue[T ValueType](m *EAVs, id int64) (T, error)

GetValue 获得 id 对应的值

NOTE: 该操作不会考虑 id 是否已经被删除。

func SetValue ¶

func SetValue[T ValueType](m *EAVs, id int64, val T) error

Types ¶

type AttributeVO ¶

type AttributeVO struct {
	ID   int64  `json:"id" yaml:"id" cbor:"id" orm:"name(id)"`
	Name string `json:"name" yaml:"name" cbor:"name" orm:"name(name)"`
}

type EAVs ¶ added in v0.13.0

type EAVs struct {
	// contains filtered or unexported fields
}

EAVs 提供 Entity-Attribute-Values 数据表管理

func Install ¶

func Install(mod *cmfx.Module, prefix string) *EAVs

func NewEAVs ¶ added in v0.13.0

func NewEAVs(mod *cmfx.Module, prefix string) *EAVs

func (*EAVs) AddAttribute ¶ added in v0.13.0

func (m *EAVs) AddAttribute(name string) (int64, error)

func (*EAVs) DelAttribute ¶ added in v0.13.0

func (m *EAVs) DelAttribute(id int64) error

func (*EAVs) GetAttribute ¶ added in v0.13.0

func (m *EAVs) GetAttribute(id int64) (string, error)

GetAttribute 获取属性 id 对应的名称

NOTE: 该操作不会考虑 id 是否已经被删除，如果不存在返回空字符串。

func (*EAVs) GetAttributes ¶ added in v0.13.0

func (m *EAVs) GetAttributes() ([]*AttributeVO, error)

func (*EAVs) SetAttribute ¶ added in v0.13.0

func (m *EAVs) SetAttribute(id int64, name string) error

type ValueType ¶

type ValueType interface {
	~int64 | ~string | time.Time | *time.Time | ~float64
}

type ValueVO ¶

type ValueVO[T ValueType] struct {
	ID    int64 `json:"id" yaml:"id" cbor:"id" orm:"name(id)"`
	Value T     `json:"value" yaml:"value" cbor:"value" orm:"name(value)"`
}

func GetValues ¶

func GetValues[T ValueType](m *EAVs, entity, attr int64) ([]*ValueVO[T], error)

Source Files ¶

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