Interface mozIStorageStatementCallbackType

Hierarchy

Methods

AddRef QueryInterface Release handleCompletion handleError handleResult

Methods

AddRef

  • Increases the reference count for this interface. The associated instance will not be deleted unless the reference count is returned to zero.

    Returns

    The resulting reference count.

    Returns number

QueryInterface

  • Parameters

    • aIID: object
    • Optional aInstancePtr: object

    Returns any

  • A run time mechanism for interface discovery.

    Returns

    NS_OK if the interface is supported by the associated instance, NS_NOINTERFACE if it is not.

    aInstancePtr must not be null.

    Parameters

    • aIID: object

      [in] A requested interface IID

    • aInstancePtr: object

      [out] A pointer to an interface pointer to receive the result.

    Returns void

Release

  • Decreases the reference count for this interface. Generally, if the reference count returns to zero, the associated instance is deleted.

    Returns

    The resulting reference count.

    Returns number

handleCompletion

  • Parameters

    • aReason: number

    Returns void

handleError

  • Called when some error occurs while executing the statement. This function may be called more than once with a different storageIError each time for any given asynchronous statement.

    Parameters

    • aError: mozIStorageError

      An object containing information about the error.

    Returns void

handleResult

  • Called when some result is obtained from the database. This function can be called more than once with a different storageIResultSet each time for any given asynchronous statement.

    Parameters

    • aResultSet: mozIStorageResultSet

      The result set containing the data from the database.

    Returns void

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