The Tor Browser: storage/public/mozIStorageFunction.idl@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "nsISupports.idl"

     8 #include "mozIStorageValueArray.idl"

    10 interface mozIStorageConnection;

    11 interface nsIArray;

    12 interface nsIVariant;

    14 /**

    15  * mozIStorageFunction is to be implemented by storage consumers that

    16  * wish to receive callbacks during the request execution.

    17  *

    18  * SQL can apply functions to values from tables. Examples of

    19  * such functions are MIN(a1,a2) or SQRT(num). Many functions are

    20  * implemented in SQL engine.

    21  *

    22  * This interface allows consumers to implement their own,

    23  * problem-specific functions.

    24  * These functions can be called from triggers, too.

    25  *

    26  */

    27 [scriptable, function, uuid(9ff02465-21cb-49f3-b975-7d5b38ceec73)]

    28 interface mozIStorageFunction : nsISupports {

    29   /**

    30    * onFunctionCall is called when execution of a custom

    31    * function should occur.

    32    *

    33    * @param aNumArguments         The number of arguments

    34    * @param aFunctionArguments    The arguments passed in to the function

    35    *

    36    * @returns any value as Variant type.

    37    */

    39   nsIVariant onFunctionCall(in mozIStorageValueArray aFunctionArguments);

    40 };

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