nullable

package module
v1.0.8 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Jan 19, 2025 License: MIT Imports: 20 Imported by: 0

README

Go Reference Go

Nullable

Nullable Data Type for json and database

Install

go get go.portalnesia.com/nullable

Example

package main

import (
	"encoding/json"
	"fmt"
	"go.portalnesia.com/nullable"
)

type JsonType struct {
	String nullable.String `json:"string"`
}

func main() {
	dataJson := []byte(`{"string":null}`)

    var data JsonType
    if err := json.Unmarshal(dataJson,&data); err != nil {
        panic(err)
    }
	
    fmt.Println(data.String)
}

Go References

pkg.go.dev/go.portalnesia.com/nullable

Documentation

Overview

Copyright © Portalnesia <support@portalnesia.com>

Copyright © Portalnesia <support@portalnesia.com>

Copyright © Portalnesia <support@portalnesia.com>

Copyright © Portalnesia <support@portalnesia.com>

Copyright © Portalnesia <support@portalnesia.com>

Copyright © Portalnesia <support@portalnesia.com>

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Bool 

type Bool struct {
	Present bool // Present is true if key is present in json
	Valid   bool // Valid is true if value is not null and valid bool
	Data    bool
}

Bool represents a bool that may be null or not present in json at all.

func NewBool 

func NewBool(data bool, presentValid ...bool) Bool

func NewBoolPtr 

func NewBoolPtr(data bool, presentValid ...bool) *Bool

func (Bool) FiberConverter 

func (Bool) FiberConverter(value string) reflect.Value

func (Bool) MarshalBSON added in v1.0.5 

func (i Bool) MarshalBSON() (byt []byte, err error)

MarshalBSON implements bson.Marshaler interface.

func (Bool) MarshalJSON 

func (i Bool) MarshalJSON() ([]byte, error)

MarshalJSON implements json.Marshaler interface.

func (Bool) Null 

func (d Bool) Null() null.Bool

func (Bool) Ptr 

func (d Bool) Ptr() *bool

func (*Bool) Scan 

func (d *Bool) Scan(value interface{}) error

sql.Value interface

func (*Bool) UnmarshalBSON added in v1.0.5 

func (b *Bool) UnmarshalBSON(data []byte) error

UnmarshalBSON implements bson.Marshaler interface.

func (*Bool) UnmarshalJSON 

func (b *Bool) UnmarshalJSON(data []byte) error

UnmarshalJSON implements json.Marshaler interface.

func (Bool) Value 

func (d Bool) Value() (driver.Value, error)

sql.Value interface

type Float 

type Float struct {
	Present bool // Present is true if key is present in json
	Valid   bool // Valid is true if value is not null and valid float
	Data    float64
}

Float represents a float that may be null or not present in json at all.

func NewFloat 

func NewFloat(data float64, presentValid ...bool) Float

func NewFloatPtr 

func NewFloatPtr(data float64, presentValid ...bool) *Float

func (Float) FiberConverter 

func (Float) FiberConverter(value string) reflect.Value

func (Float) MarshalBSON added in v1.0.5 

func (i Float) MarshalBSON() (byt []byte, err error)

MarshalBSON implements bson.Marshaler interface.

func (Float) MarshalJSON 

func (i Float) MarshalJSON() ([]byte, error)

MarshalJSON implements json.Marshaler interface.

func (Float) Null 

func (d Float) Null() null.Float

func (Float) Ptr 

func (d Float) Ptr() *float64

func (*Float) Scan 

func (d *Float) Scan(value interface{}) error

sql.Value interface

func (*Float) UnmarshalBSON added in v1.0.5 

func (f *Float) UnmarshalBSON(data []byte) error

UnmarshalBSON implements bson.Marshaler interface.

func (*Float) UnmarshalJSON 

func (f *Float) UnmarshalJSON(data []byte) error

UnmarshalJSON implements json.Marshaler interface.

func (Float) Value 

func (d Float) Value() (driver.Value, error)

sql.Value interface

type GeomMultiPolygon 

type GeomMultiPolygon struct {
	geojson.MultiPolygon
}

func (*GeomMultiPolygon) Scan 

func (g *GeomMultiPolygon) Scan(input interface{}) error

func (*GeomMultiPolygon) UnmarshalBSON added in v1.0.5 

func (g *GeomMultiPolygon) UnmarshalBSON(data []byte) error

type GeomPoint 

type GeomPoint struct {
	geojson.Point
}

func (*GeomPoint) Scan 

func (g *GeomPoint) Scan(input interface{}) error

func (*GeomPoint) UnmarshalBSON added in v1.0.5 

func (g *GeomPoint) UnmarshalBSON(data []byte) error

type GeomPolygon 

type GeomPolygon struct {
	geojson.Polygon
}

func (*GeomPolygon) Scan 

func (g *GeomPolygon) Scan(input interface{}) error

func (*GeomPolygon) UnmarshalBSON added in v1.0.5 

func (g *GeomPolygon) UnmarshalBSON(data []byte) error

type Int 

type Int struct {
	Present bool // Present is true if key is present in json
	Valid   bool // Valid is true if value is not null and valid int64
	Data    int64
}

func NewInt 

func NewInt(data int64, presentValid ...bool) Int

func NewIntPtr 

func NewIntPtr(data int64, presentValid ...bool) *Int

func (Int) FiberConverter 

func (Int) FiberConverter(value string) reflect.Value

func (Int) MarshalBSON added in v1.0.5 

func (i Int) MarshalBSON() (byt []byte, err error)

MarshalBSON implements bson.Marshaler interface.

func (Int) MarshalJSON 

func (i Int) MarshalJSON() ([]byte, error)

MarshalJSON implements json.Marshaler interface. Bug: Marshal undefined value

func (Int) Null 

func (d Int) Null() null.Int

func (Int) Ptr 

func (d Int) Ptr() *int64

func (*Int) Scan 

func (d *Int) Scan(value interface{}) error

sql.Value interface

func (*Int) UnmarshalBSON added in v1.0.5 

func (i *Int) UnmarshalBSON(data []byte) error

UnmarshalBSON implements bson.Marshaler interface.

func (*Int) UnmarshalJSON 

func (i *Int) UnmarshalJSON(data []byte) error

UnmarshalJSON implements json.Marshaler interface.

func (Int) Value 

func (d Int) Value() (driver.Value, error)

sql.Value interface

type String 

type String struct {
	Present bool // Present is true if key is present in json
	Valid   bool // Valid is true if value is not null and valid string
	Data    string
}

String represents a string that may be null or not present in json at all.

func NewString 

func NewString(data string, presentValid ...bool) String

func NewStringPtr 

func NewStringPtr(data string, presentValid ...bool) *String

func (String) FiberConverter 

func (String) FiberConverter(value string) reflect.Value

func (String) MarshalBSON added in v1.0.5 

func (s String) MarshalBSON() (byt []byte, err error)

MarshalBSON implements bson.Marshaler interface.

func (String) MarshalJSON 

func (s String) MarshalJSON() ([]byte, error)

MarshalJSON implements json.Marshaler interface.

func (String) Null 

func (s String) Null() null.String

func (String) Ptr 

func (s String) Ptr() *string

func (*String) Scan 

func (s *String) Scan(value interface{}) error

sql.Value interface

func (*String) UnmarshalBSON added in v1.0.5 

func (s *String) UnmarshalBSON(data []byte) error

UnmarshalBSON implements bson.Marshaler interface.

func (*String) UnmarshalJSON 

func (s *String) UnmarshalJSON(data []byte) error

UnmarshalJSON implements json.Marshaler interface.

func (String) Value 

func (s String) Value() (driver.Value, error)

sql.Value interface

type StringArray 

type StringArray struct {
	Present bool // Present is true if key is present in json
	Valid   bool // Valid is true if value is not null and valid string
	Data    pg.StringArray
}

func NewStringArray 

func NewStringArray(data pg.StringArray, presentValid ...bool) StringArray

func NewStringArrayPtr 

func NewStringArrayPtr(data pg.StringArray, presentValid ...bool) *StringArray

func (StringArray) FiberConverter added in v1.0.3 

func (StringArray) FiberConverter(value string) reflect.Value

func (StringArray) GormDBDataType 

func (StringArray) GormDBDataType(db *gorm.DB, field *schema.Field) string

GormDBDataType gorm db data type

func (StringArray) GormDataType 

func (StringArray) GormDataType() string

GormDataType gorm common data type

func (StringArray) MarshalBSON added in v1.0.5 

func (d StringArray) MarshalBSON() (byt []byte, err error)

MarshalBSON implements bson.Marshaler interface.

func (StringArray) MarshalJSON 

func (d StringArray) MarshalJSON() ([]byte, error)

MarshalJSON implements json.Marshaler interface.

func (StringArray) Ptr 

func (d StringArray) Ptr() *pg.StringArray

func (*StringArray) Scan 

func (d *StringArray) Scan(value interface{}) error

func (*StringArray) UnmarshalBSON added in v1.0.5 

func (d *StringArray) UnmarshalBSON(data []byte) error

UnmarshalBSON implements bson.Marshaler interface.

func (*StringArray) UnmarshalJSON 

func (d *StringArray) UnmarshalJSON(data []byte) error

UnmarshalJSON implements json.Marshaler interface.

func (StringArray) Value 

func (d StringArray) Value() (driver.Value, error)

Value sql.Value interface

type Time 

type Time struct {
	Present bool // Present is true if key is present in json
	Valid   bool // Valid is true if value is not null and valid string
	Data    time.Time
	// contains filtered or unexported fields
}

func NewTime 

func NewTime(data time.Time, presentValid ...bool) Time

func NewTimePtr 

func NewTimePtr(data time.Time, presentValid ...bool) *Time

func (Time) Carbon added in v1.0.5 

func (d Time) Carbon() carbon.Carbon

func (Time) FiberConverter 

func (Time) FiberConverter(value string) reflect.Value

func (Time) MarshalBSON added in v1.0.5 

func (d Time) MarshalBSON() (byt []byte, err error)

MarshalBSON implements bson.Marshaler interface.

func (Time) MarshalJSON 

func (d Time) MarshalJSON() ([]byte, error)

MarshalJSON implements json.Marshaler interface.

func (Time) Null 

func (d Time) Null() null.Time

func (Time) Ptr 

func (d Time) Ptr() *time.Time

func (*Time) Scan 

func (d *Time) Scan(value interface{}) error

sql.Value interface

func (*Time) UnmarshalBSON added in v1.0.5 

func (d *Time) UnmarshalBSON(data []byte) error

UnmarshalBSON implements bson.Marshaler interface.

func (*Time) UnmarshalJSON 

func (d *Time) UnmarshalJSON(data []byte) error

UnmarshalJSON implements json.Marshaler interface.

func (Time) Value 

func (d Time) Value() (driver.Value, error)

sql.Value interface

type Type 

type Type[D any] struct {
	Present bool // Present is true if key is present in json
	Valid   bool // Valid is true if value is not null and valid string
	Data    D
}

func NewType 

func NewType[T any](data T, presentValid ...bool) Type[T]

func NewTypePtr 

func NewTypePtr[T any](data T, presentValid ...bool) *Type[T]

func (Type[D]) Datatypes 

func (d Type[D]) Datatypes() *datatypes.JSONType[D]

func (Type[D]) FiberConverter added in v1.0.3 

func (Type[D]) FiberConverter(value string) reflect.Value

func (Type[D]) GormDBDataType 

func (Type[D]) GormDBDataType(db *gorm.DB, field *schema.Field) string

GormDBDataType gorm db data type

func (Type[D]) GormDataType 

func (Type[D]) GormDataType() string

GormDataType gorm common data type

func (Type[D]) MarshalBSON added in v1.0.5 

func (i Type[D]) MarshalBSON() (byt []byte, err error)

MarshalBSON implements bson.Marshaler interface.

func (Type[D]) MarshalJSON 

func (i Type[D]) MarshalJSON() ([]byte, error)

MarshalJSON implements json.Marshaler interface. Bug: Marshal undefined value

func (Type[D]) Ptr 

func (d Type[D]) Ptr() *D

func (*Type[D]) Scan 

func (d *Type[D]) Scan(value interface{}) error

func (*Type[D]) UnmarshalBSON added in v1.0.5 

func (i *Type[D]) UnmarshalBSON(data []byte) error

UnmarshalBSON implements bson.Marshaler interface.

func (*Type[D]) UnmarshalJSON 

func (i *Type[D]) UnmarshalJSON(data []byte) error

UnmarshalJSON implements json.Marshaler interface.

func (Type[D]) Value 

func (d Type[D]) Value() (driver.Value, error)

Value sql.Value interface

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.