MySQL :: The MySQL Cluster API Developer Guide

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Abstract

This section details the public types belonging to the Event class.

Abstract

This section describes TableEvent, a type defined by the Event class.

Description. TableEvent is used to classify the types of events that may be associated with tables in the NDB API.

Enumeration values.

Value	Description
`TE_INSERT`	Insert event on a table
`TE_DELETE`	Delete event on a table
`TE_UPDATE`	Update event on a table
`TE_DROP`	Occurs when a table is dropped
`TE_ALTER`	Occurs when a table definition is changed
`TE_CREATE`	Occurs when a table is created
`TE_GCP_COMPLETE`	Occurs on the completion of a global checkpoint
`TE_CLUSTER_FAILURE`	Occurs on Cluster failures
`TE_STOP`	Occurs when an event operation is stopped
`TE_NODE_FAILURE`	Occurs when a Cluster node fails
`TE_SUBSCRIBE`	Occurs when a cluster node subscribes to an event
`TE_UNSUBSCRIBE`	Occurs when a cluster node unsubscribes from an event
`TE_ALL`	Occurs when any event occurs on a table (not relevant when a specific event is received)

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_SESSION` is reserved for future use and is not yet supported in any MySQL Cluster release.
`ED_TEMPORARY`	Any application may use the event, but it is deleted following a cluster restart. Important The value `ED_TEMPORARY` is reserved for future use and is not yet supported in any MySQL Cluster release.
`ED_PERMANENT`	Any application may use the event, and it persists until deleted by an application — even following a cluster. restart Important The value `ED_PERMANENT` is reserved for future use and is not yet supported in any MySQL Cluster release.

Abstract

This section discusses EventReport, a type defined by the Event class.

Description. The values of this type are used to specify reporting options for table events.

Enumeration values.

Value	Description
`ER_UPDATED`	Reporting of update events
`ER_ALL`	Reporting of all events, except for those not resulting in any updates to the inline parts of `BLOB` columns
`ER_SUBSCRIBE`	Reporting of subscription events