datatypes

Documentation

Index

• type EWKBPoint
  • func (m *EWKBPoint) MarshalJSON() ([]byte, error)
  • func (m *EWKBPoint) Scan(src interface{}) error
  • func (m *EWKBPoint) UnmarshalJSON(b []byte) (err error)
  • func (m *EWKBPoint) Value() (driver.Value, error)
• type EWKBPolygon
  • func (m *EWKBPolygon) MarshalJSON() ([]byte, error)
  • func (m *EWKBPolygon) Scan(src interface{}) error
  • func (m *EWKBPolygon) UnmarshalJSON(b []byte) (err error)
  • func (m *EWKBPolygon) Value() (driver.Value, error)
• type FilterFunc
• type SetString
  • func NewSetString() *SetString
  • func (s *SetString) Add(v string)
  • func (s *SetString) AddMulti(List ...string)
  • func (s *SetString) Clear()
  • func (s *SetString) Difference(s2 *SetString) *SetString
  • func (s *SetString) Filter(P FilterFunc) *SetString
  • func (s *SetString) Has(v string) bool
  • func (s *SetString) Intersect(s2 *SetString) *SetString
  • func (s *SetString) Remove(v string)
  • func (s *SetString) Size() int
  • func (s *SetString) Union(s2 *SetString) *SetString
• type TimeM
  • func (t *TimeM) MarshalJSON() ([]byte, error)
  • func (t *TimeM) UnmarshalJSON(b []byte) (err error)
• type UUID
  • func NewUUID() *UUID
  • func NewUUIDFromString(s string) (u *UUID, err error)
  • func (u *UUID) MarshalJSON() ([]byte, error)
  • func (u *UUID) Scan(src interface{}) error
  • func (u *UUID) String() string
  • func (u *UUID) UnmarshalJSON(b []byte) (err error)
  • func (u *UUID) Value() (driver.Value, error)

Types

type EWKBPoint

type EWKBPoint struct {
	Point wkb.Point
}

EWKBPoint encapsulate Point and handles value and scanners to work with Gorm

func (*EWKBPoint) MarshalJSON

func (m *EWKBPoint) MarshalJSON() ([]byte, error)

MarshalJSON customizes unmarshalling from JSON array (e.g. [10, 20])

func (*EWKBPoint) Scan

func (m *EWKBPoint) Scan(src interface{}) error

Scan satisfies the Scanner interace and is responsible for reading data from the database

func (*EWKBPoint) UnmarshalJSON

func (m *EWKBPoint) UnmarshalJSON(b []byte) (err error)

UnmarshalJSON json satisfies the JSON library

{
    "type": "Point",
    "coordinates": [30, 10]
}

func (*EWKBPoint) Value

func (m *EWKBPoint) Value() (driver.Value, error)

Value satisfies the Valuer interace and is responsible for writing data to the database

type EWKBPolygon

type EWKBPolygon struct {
	Polygon wkb.Polygon
}

EWKBPolygon encapsulate Polygon and handles value and scanners to work with Gorm

func (*EWKBPolygon) MarshalJSON

func (m *EWKBPolygon) MarshalJSON() ([]byte, error)

MarshalJSON customizes unmarshalling from JSON array (e.g. [10, 20])

func (*EWKBPolygon) Scan

func (m *EWKBPolygon) Scan(src interface{}) error

Scan satisfies the Scanner interace and is responsible for reading data from the database

func (*EWKBPolygon) UnmarshalJSON

func (m *EWKBPolygon) UnmarshalJSON(b []byte) (err error)

UnmarshalJSON json satisfies the JSON library https://en.wikipedia.org/wiki/GeoJSON

{
    "type": "Polygon",
    "coordinates": [
        [[30, 10], [40, 40], [20, 40], [10, 20], [30, 10]]
    ]
}

func (*EWKBPolygon) Value

func (m *EWKBPolygon) Value() (driver.Value, error)

Value satisfies the Valuer interace and is responsible for writing data to the database

type FilterFunc

type FilterFunc func(v string) bool

type SetString

type SetString struct {
	List map[string]struct{} //empty structs occupy 0 memory
}

func NewSetString

func NewSetString() *SetString

func (*SetString) Add

func (s *SetString) Add(v string)

func (*SetString) AddMulti

func (s *SetString) AddMulti(List ...string)

AddMulti Add multiple values in the set

func (*SetString) Clear

func (s *SetString) Clear()

func (*SetString) Difference

func (s *SetString) Difference(s2 *SetString) *SetString

Difference returns the subset from s, that doesn't exists in s2 (param)

func (*SetString) Filter

func (s *SetString) Filter(P FilterFunc) *SetString

Filter returns a subset, that contains only the values that satisfies the given predicate P

func (*SetString) Has

func (s *SetString) Has(v string) bool

func (*SetString) Intersect

func (s *SetString) Intersect(s2 *SetString) *SetString

func (*SetString) Remove

func (s *SetString) Remove(v string)

func (*SetString) Size

func (s *SetString) Size() int

func (*SetString) Union

func (s *SetString) Union(s2 *SetString) *SetString

type TimeM

type TimeM struct {
	Time time.Time
}

TimeM (Time convertable from JSON int representing minisecond) encapsulate unix time, converts to and from JSON to Unix time in millisecond

func (*TimeM) MarshalJSON

func (t *TimeM) MarshalJSON() ([]byte, error)

MarshalJSON customizes unmarshalling from JSON array

func (*TimeM) UnmarshalJSON

func (t *TimeM) UnmarshalJSON(b []byte) (err error)

UnmarshalJSON unmarshalls it from a string of millisecond

type UUID

type UUID struct {
	UUID uuid.UUID
}

UUID string

func NewUUID

func NewUUID() *UUID

NewUUID generates a UUID that's partly V1 and partly V4 Like V4, but use timestamp as part of V1 to increase locality (performance)

func NewUUIDFromString

func NewUUIDFromString(s string) (u *UUID, err error)

NewUUIDFromString creates UUID from string

func (*UUID) MarshalJSON

func (u *UUID) MarshalJSON() ([]byte, error)

MarshalJSON customizes unmarshalling from JSON array

func (*UUID) Scan

func (u *UUID) Scan(src interface{}) error

Scan satisfies the Scanner interace and is responsible for reading data from the database

func (*UUID) String

func (u *UUID) String() string

Value satisfies the Valuer interace and is responsible for writing data to the database

func (*UUID) UnmarshalJSON

func (u *UUID) UnmarshalJSON(b []byte) (err error)

UnmarshalJSON unmarshalls it from a string of millisecond

func (*UUID) Value

func (u *UUID) Value() (driver.Value, error)

Value satisfies the Valuer interace and is responsible for writing data to the database