dbtxn

Documentation

Index

• Constants
• func Error(ctx context.Context) error
• type CommitFn
• type Context
  • func Begin(parent *context.Context) *Context
  • func Find(ctx context.Context) *Context
  • func NewContext() *Context
  • func (c *Context) Begin(ctx context.Context, db *sql.DB) (sq.StdSqlCtx, error)
  • func (c *Context) Commit() error
  • func (c *Context) SetError(err error) bool
• type Tx
• type UseHandler
  • func Use(ctx context.Context, db *sql.DB) (*UseHandler, error)

Constants

const ContextKey key = iota

ContextKey to get transaction

Functions

func Error

func Error(ctx context.Context) error

Error of transaction

Types

type CommitFn

type CommitFn func() error

CommitFn is commit function to close the transaction

type Context

type Context struct {
	TxMap map[*sql.DB]Tx
	Err   error
}

Context of transaction

func Begin

func Begin(parent *context.Context) *Context

Begin transaction

func Find

func Find(ctx context.Context) *Context

Find transaction context

func NewContext

func NewContext() *Context

NewContext return new instance of Context

func (*Context) Begin

func (c *Context) Begin(ctx context.Context, db *sql.DB) (sq.StdSqlCtx, error)

Begin transaction

func (*Context) Commit

func (c *Context) Commit() error

Commit if no error

func (*Context) SetError

func (c *Context) SetError(err error) bool

SetError to set error to txn context

type Tx

type Tx interface {
	sq.StdSqlCtx
	Rollback() error
	Commit() error
}

Tx is interface for *db.Tx

type UseHandler

type UseHandler struct {
	*Context
	sq.StdSqlCtx
}

UseHandler responsible to handle transaction

func Use

func Use(ctx context.Context, db *sql.DB) (*UseHandler, error)

Use transaction if possible