lock

Documentation

Index

• Variables
• type Checker
  • func NewChecker(ctx sessionctx.Context, is infoschema.InfoSchema) *Checker
  • func (c *Checker) CheckLockInDB(db string, privilege mysql.PrivilegeType) error
  • func (c *Checker) CheckTableLock(db, table string, privilege mysql.PrivilegeType, alterWriteable bool) error

Variables

var ErrLockedTableDropped = errors.New("other table can be accessed after locked table dropped")

ErrLockedTableDropped returns error when try to drop the table with write lock

Types

type Checker

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

Checker uses to check tables lock.

func NewChecker

func NewChecker(ctx sessionctx.Context, is infoschema.InfoSchema) *Checker

NewChecker return new lock Checker.

func (*Checker) CheckLockInDB

func (c *Checker) CheckLockInDB(db string, privilege mysql.PrivilegeType) error

CheckLockInDB uses to check operation on database.

func (*Checker) CheckTableLock

func (c *Checker) CheckTableLock(db, table string, privilege mysql.PrivilegeType, alterWriteable bool) error

CheckTableLock uses to check table lock.