The MySQL Cluster API Developers' Guide :: 4 NDB API Classes, Interfaces, and Structures :: 4.4 The Event Class :: 4.4.1 Event Types :: 4.4.1.2 The Event::EventDurability Type
Section Navigation [Toggle]
- 4.4.1 Event Types
- 4.4.1.1 The Event::TableEvent Type
- 4.4.1.2 The Event::EventDurability Type
- 4.4.1.3 The Event::EventReport Type
Abstract
This section discusses EventDurability, a
type defined by the Event class.
Description. The values of this type are used to describe an event's lifetime or persistence as well as its scope.
Enumeration values.
| Value | Description |
|---|---|
ED_UNDEFINED |
The event is undefined or of an unsupported type. |
ED_SESSION |
This event persists only for the duration of the current session, and is
available only to the current application. It is
deleted after the application disconnects or
following a cluster restart.
Important
The value |
ED_TEMPORARY |
Any application may use the event, but it is deleted following a cluster
restart.
Important
The value |
ED_PERMANENT |
Any application may use the event, and it persists until deleted by an application — even following a cluster. restart |
© 1995-2008 MySQL AB. All rights reserved.