mozIStoragePendingStatement 编辑

The mozIStoragePendingStatement interface represents a pending asynchronous database statement, and offers the cancel() method which allows you to cancel the pending statement.

storage/public/mozIStoragePendingStatement.idlScriptable Please add a summary to this article.   Last changed in Gecko 1.9.2 (Firefox 3.6 / Thunderbird 3.1 / Fennec 1.0)

Inherits from: nsISupports

Method overview

void cancel();

Methods

cancel()

Cancels the pending statement.  Fails only if you attempt to cancel the operation more than once.

Note: For read statements, such as SELECT, once you cancel the statement, you will receive no further notifications about results.

void cancel();

Parameters

None.

Return value

In versions of Gecko prior to Gecko 1.9.2, this returned a boolean value that was true if the query was canceled successfully or false if not. Starting with Gecko 1.9.2, this information is no longer provided and the method doesn't return a value.

See also

• Storage
• mozIStorageConnection
• mozIStorageStatement