SQLUpdateEvent

Package	flash.events
Class	public class SQLUpdateEvent
Inheritance	SQLUpdateEvent Event Object

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0

A SQLUpdateEvent object is dispatched by a SQLConnection object when a data change occurs on any table associated with the SQLConnection instance. A data change can result from the execution of a SQL INSERT, UPDATE, or DELETE statement, either directly or as a result of a trigger that fires in connection with the statement execution.

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Related API Elements

flash.data.SQLConnection

Public Properties

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	Property		Defined By
		bubbles : Boolean [read-only] Indicates whether an event is a bubbling event.	Event
		cancelable : Boolean [read-only] Indicates whether the behavior associated with the event can be prevented.	Event
		constructor : Object A reference to the class object or constructor function for a given object instance.	Object
		currentTarget : Object [read-only] The object that is actively processing the Event object with an event listener.	Event
		eventPhase : uint [read-only] The current phase in the event flow.	Event
		rowID : Number [read-only] The unique row identifier of the row that was inserted, deleted, or updated.	SQLUpdateEvent
		table : String [read-only] The name of the table whose data change caused the event to be dispatched.	SQLUpdateEvent
		target : Object [read-only] The event target.	Event
		type : String [read-only] The type of event.	Event

Public Methods

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	Method		Defined By
		SQLUpdateEvent(type:String, bubbles:Boolean = false, cancelable:Boolean = false, table:String = null, rowID:Number = 0) Creates a new SQLUpdateEvent instance.	SQLUpdateEvent
		clone():Event [override] Creates a copy of the SQLUpdateEvent object and sets the value of each property to match that of the original.	SQLUpdateEvent
		formatToString(className:String, ... arguments):String A utility function for implementing the toString() method in custom ActionScript 3.0 Event classes.	Event
		hasOwnProperty(name:String):Boolean Indicates whether an object has a specified property defined.	Object
		isDefaultPrevented():Boolean Checks whether the preventDefault() method has been called on the event.	Event
		isPrototypeOf(theClass:Object):Boolean Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter.	Object
		preventDefault():void Cancels an event's default behavior if that behavior can be canceled.	Event
		propertyIsEnumerable(name:String):Boolean Indicates whether the specified property exists and is enumerable.	Object
		setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void Sets the availability of a dynamic property for loop operations.	Object
		stopImmediatePropagation():void Prevents processing of any event listeners in the current node and any subsequent nodes in the event flow.	Event
		stopPropagation():void Prevents processing of any event listeners in nodes subsequent to the current node in the event flow.	Event
		toLocaleString():String Returns the string representation of this object, formatted according to locale-specific conventions.	Object
		toString():String Returns a string containing all the properties of the Event object.	Event
		valueOf():Object Returns the primitive value of the specified object.	Object

Public Constants

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	Constant		Defined By
		DELETE : String = "delete" [static] The SQLUpdateEvent.DELETE constant defines the value of the type property of a SQLConnection delete event.	SQLUpdateEvent
		INSERT : String = "insert" [static] The SQLUpdateEvent.INSERT constant defines the value of the type property of a SQLConnection insert event.	SQLUpdateEvent
		UPDATE : String = "update" [static] The SQLUpdateEvent.UPDATE constant defines the value of the type property of a SQLConnection update event.	SQLUpdateEvent

Property Detail

rowID

property

rowID:Number [read-only]

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0

The unique row identifier of the row that was inserted, deleted, or updated.

A row identifier is used to uniquely identify a row in a table within the database. The value is frequently generated by the database.

The row identifier for a single SQL INSERT statement execution can be obtained through the lastInsertRowID property of the SQLResult object returned by the SQLStatement object's getResult() method (when called after the SQLStatement dispatches its result event).

For more information about primary keys and generated row identifiers, see the "CREATE TABLE" and "Expressions" sections in the appendix "SQL support in local databases."

Implementation
public function get rowID():Number

Related API Elements

flash.data.SQLConnection.lastInsertRowID
flash.data.SQLResult.lastInsertRowID

table

property

table:String [read-only]

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0

The name of the table whose data change caused the event to be dispatched.

Implementation
public function get table():String

Constructor Detail

()

Constructor

public function SQLUpdateEvent(type:String, bubbles:Boolean = false, cancelable:Boolean = false, table:String = null, rowID:Number = 0)

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0

Creates a new SQLUpdateEvent instance.

Parameters

	`type:String` — The type of the event, available through the `type` property.

	`bubbles:Boolean` (default = `false`) — Determines whether the event object participates in the bubbling stage of the event flow. The default value is `false`.

	`cancelable:Boolean` (default = `false`) — Determines whether the Event object can be cancelled. The default value is `false`.

	`table:String` (default = `null`) — Indicates the name of the table whose data changed.

	`rowID:Number` (default = `0`) — The unique row identifier of the row that was inserted, deleted, or updated.

Method Detail

clone

()

method

override public function clone():Event

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0

Creates a copy of the SQLUpdateEvent object and sets the value of each property to match that of the original.

Returns

Event — A new SQLUpdateEvent object with property values that match those of the original.

Constant Detail

DELETE

Constant

public static const DELETE:String = "delete"

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0

The SQLUpdateEvent.DELETE constant defines the value of the type property of a SQLConnection delete event. The delete event has the following properties:

Property	Value
`bubbles`	`false`
`cancelable`	`false`; there is no default behavior to cancel.
`currentTarget`	The object that is actively processing the event object with an event listener.
`rowID`	The unique row identifier of the row that was inserted, deleted, or updated.
`target`	The SQLConnection object on which the operation was performed.
`table`	The name of the table on which the change occurred.

INSERT

Constant

public static const INSERT:String = "insert"

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0

The SQLUpdateEvent.INSERT constant defines the value of the type property of a SQLConnection insert event. The insert event has the following properties:

Property	Value
`bubbles`	`false`
`cancelable`	`false`; there is no default behavior to cancel.
`currentTarget`	The object that is actively processing the event object with an event listener.
`rowID`	The unique row identifier of the row that was inserted, deleted, or updated.
`target`	The SQLConnection object on which the operation was performed.
`table`	The name of the table on which the change occurred.

UPDATE

Constant

public static const UPDATE:String = "update"

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0

The SQLUpdateEvent.UPDATE constant defines the value of the type property of a SQLConnection update event.

The update event has the following properties:

Property	Value
`bubbles`	`false`
`cancelable`	`false`; there is no default behavior to cancel.
`currentTarget`	The object that is actively processing the event object with an event listener.
`rowID`	The unique row identifier of the row that was inserted, deleted, or updated.
`target`	The SQLConnection object on which the operation was performed.
`table`	The name of the table on which the change occurred.

Examples How to use this example

SQLUpdateEvent.class.1.as

The following example shows the use of of a SQLUpdateEvent instance in responding to an update event.

Copy


var dbStatement:SQLStatement;

function initConnection():void
{
    var dbFile:File = new File(File.separator + "employee.db");
    db.addEventListener(SQLEvent.OPEN, dbOpenHandler);
    db.addEventListener(SQLUpdateEvent.UPDATE, dbUpdateHandler);

    dbStatement.text = "UPDATE employees SET name = :name WHERE id = :id";
    dbStatement.parameters[:name] = "Bruce";
    dbStatement.parameters[:id] = 100;

    dbStatement.sqlConnection = db;

    db.open(dbFile);
}

function dbUpdateHandler(event:SQLUpdateEvent):void
{
    trace(event.type + " for table '" + event.table + "' was fired for row with ID:" + event.rowID);
}

function dbOpenHandler(event:SQLEvent):void
{
    dbStatement.execute();
}

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SQLUpdateEvent - AS3

Classes x

rowID

table

SQLUpdateEvent

clone

DELETE

INSERT

UPDATE