with

Documentation

Index

• Variables
• func Close(cl Closer, fn func())
• func Lock(l Locker, fn func())
• func Tx(dbConn *sql.DB, fn TxFunc, opts ...*sql.TxOptions) error
• func TxContext(ctx context.Context, dbConn *sql.DB, fn TxFunc, opts ...*sql.TxOptions) (err error)
• type Closer
• type Locker
• type TxFunc

Variables

var ErrRollback = errors.New("ErrRollback")

ErrRollback is used stop with.Tx

Functions

func Close

func Close(cl Closer, fn func())

Close is convenient wrapper for closing after performing some action

func Lock

func Lock(l Locker, fn func())

Lock simple wrapper for locking -> performing action -> unlocking

func Tx

func Tx(dbConn *sql.DB, fn TxFunc, opts ...*sql.TxOptions) error

Tx (with.Tx()) encapsulates common pattern of transaction

func TxContext

func TxContext(ctx context.Context, dbConn *sql.DB, fn TxFunc, opts ...*sql.TxOptions) (err error)

TxContext encapsulates common pattern of transaction

Types

type Closer

type Closer interface {
	Close() error
}

Closer interface with Close() error function

type Locker

type Locker interface {
	Lock()
	Unlock()
}

type TxFunc

type TxFunc func(tx *sql.Tx) error

TxFunc is func used to perform inside transaction