autoincrement

package

v1.1.4 Latest Latest Go to latest Published: Jan 28, 2021 License: GPL-3.0 Imports: 9 Imported by: 0

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func GetAutoIncrement(node *sqlparser.DDL) (*config.AutoIncrement, error)

GetAutoIncrement -- used to get config AutoIncrement from 'create table' DDL sqlnode.

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

AutoIncrement struct. Using Now().UnixNano as start seed seq.

func (autoinc *AutoIncrement) Close() error

Close -- close the plugin.

func (autoinc *AutoIncrement) Init() error

Init -- used to init the plug module.

func (autoinc *AutoIncrement) Process(database string, ins *sqlparser.Insert) error

Process -- process auto-increment. Append the auto-increment column&value to the end of the row if not exists.

type AutoIncrementHandler interface {
	Init() error
	Process(database string, ins *sqlparser.Insert) error
	Close() error
}

func NewAutoIncrement(log *xlog.Log, router *router.Router) AutoIncrementHandler

NewAutoIncrement -- creates new AutoIncrement.