savepoint

Documentation

Overview

Package savepoint models the savepoint stack and transaction support.

Index

• type Stack
  • func New() *Stack
  • func (s *Stack) Begin() error
  • func (s *Stack) End() error
  • func (s *Stack) HasSavepoints() bool
  • func (s *Stack) InTransaction() bool
  • func (s *Stack) Open() bool
  • func (s *Stack) Release(sp string) error
  • func (s *Stack) Savepoint(sp string)
  • func (s *Stack) Top() string

Types

type Stack

type Stack struct {
	// contains filtered or unexported fields
}

Stack models the savepoint stack and its interaction with transactions.

func New

func New() *Stack

New creates a new Stack.

func (*Stack) Begin

func (s *Stack) Begin() error

Begin a transaction.

func (*Stack) End

func (s *Stack) End() error

End a transaction.

func (*Stack) HasSavepoints

func (s *Stack) HasSavepoints() bool

HasSavepoints if there are any savepoints on the Stack.

func (*Stack) InTransaction

func (s *Stack) InTransaction() bool

InTransaction if Stack has a transaction.

func (*Stack) Open

func (s *Stack) Open() bool

Open reports whether InTransaction or HasSavepoints.

func (*Stack) Release

func (s *Stack) Release(sp string) error

Release a savepoint from the Stack.

func (*Stack) Savepoint

func (s *Stack) Savepoint(sp string)

Savepoint adds a new savepoint to the Stack.

func (*Stack) Top

func (s *Stack) Top() string

Top returns the outermost savepoint name, if HasSavepoints.