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comparison: storage/public/mozIStorageFunction.idl
storage/public/mozIStorageFunction.idl
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| 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/. */ | |
| 5 | |
| 6 #include "nsISupports.idl" | |
| 7 | |
| 8 #include "mozIStorageValueArray.idl" | |
| 9 | |
| 10 interface mozIStorageConnection; | |
| 11 interface nsIArray; | |
| 12 interface nsIVariant; | |
| 13 | |
| 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 */ | |
| 38 | |
| 39 nsIVariant onFunctionCall(in mozIStorageValueArray aFunctionArguments); | |
| 40 }; |
