badgerhelper

Documentation

Index

• func DeleteFirstObject[V any, T PtrDbAccessible[V]](prefix []byte) (n int, err error)
• func DeleteObjects[V any, T PtrDbAccessible[V]](prefix []byte) (n int, err error)
• func DeleteOneObject[V any, T PtrDbAccessible[V]](key []byte) (n int, err error)
• func GetFirstObject[V any, T PtrDbAccessible[V]](prefix []byte, filter func(T) bool) (T, error)
• func GetMap[V any, T PtrDbAccessible[V]](prefix []byte, filter func([]byte, any) bool) (map[string]any, error)
• func GetObjectCount[V any, T PtrDbAccessible[V]](prefix []byte, filter func(T) bool) (int, error)
• func GetObjects[V any, T PtrDbAccessible[V]](prefix []byte, filter func(T) bool) ([]T, error)
• func GetOneObject[V any, T PtrDbAccessible[V]](key []byte) (T, error)
• func UpdateFirstObject[V any, T PtrDbAccessible[V]](prefix []byte, object T) (n int, err error)
• func UpsertObjects[V any, T PtrDbAccessible[V]](objects ...T) error
• func UpsertOneObject[V any, T PtrDbAccessible[V]](object T) error
• func UpsertPartObject[V any, T PtrDbAccessible[V]](object T, at any) error
• type DbAccessible
• type PtrDbAccessible

Functions

func DeleteFirstObject

func DeleteFirstObject[V any, T PtrDbAccessible[V]](prefix []byte) (n int, err error)

func DeleteObjects

func DeleteObjects[V any, T PtrDbAccessible[V]](prefix []byte) (n int, err error)

delete multiple objects

func DeleteOneObject

func DeleteOneObject[V any, T PtrDbAccessible[V]](key []byte) (n int, err error)

delete one object

func GetFirstObject

func GetFirstObject[V any, T PtrDbAccessible[V]](prefix []byte, filter func(T) bool) (T, error)

func GetMap

func GetMap[V any, T PtrDbAccessible[V]](prefix []byte, filter func([]byte, any) bool) (map[string]any, error)

use Unmarshal returned data as map-value, filter key is []byte type

func GetObjectCount

func GetObjectCount[V any, T PtrDbAccessible[V]](prefix []byte, filter func(T) bool) (int, error)

func GetObjects

func GetObjects[V any, T PtrDbAccessible[V]](prefix []byte, filter func(T) bool) ([]T, error)

all objects if prefix is nil or empty

func GetOneObject

func GetOneObject[V any, T PtrDbAccessible[V]](key []byte) (T, error)

one object with fixed key

func UpdateFirstObject

func UpdateFirstObject[V any, T PtrDbAccessible[V]](prefix []byte, object T) (n int, err error)

func UpsertObjects

func UpsertObjects[V any, T PtrDbAccessible[V]](objects ...T) error

update or insert many objects

func UpsertOneObject

func UpsertOneObject[V any, T PtrDbAccessible[V]](object T) error

update or insert one object

func UpsertPartObject

func UpsertPartObject[V any, T PtrDbAccessible[V]](object T, at any) error

update or insert part object at specific area

Types

type DbAccessible

type DbAccessible interface {
	BadgerDB() *badger.DB
	Key() []byte
	Marshal(at any) (forKey []byte, forValue []byte)
	Unmarshal(dbKey []byte, dbVal []byte) (any, error)
}

type PtrDbAccessible

type PtrDbAccessible[T any] interface {
	DbAccessible
	*T
}