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41 lines
1.3 KiB
Plaintext
41 lines
1.3 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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#include "mozIStorageValueArray.idl"
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interface mozIStorageConnection;
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interface nsIArray;
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interface nsIVariant;
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/**
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* mozIStorageFunction is to be implemented by storage consumers that
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* wish to receive callbacks during the request execution.
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*
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* SQL can apply functions to values from tables. Examples of
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* such functions are MIN(a1,a2) or SQRT(num). Many functions are
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* implemented in SQL engine.
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*
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* This interface allows consumers to implement their own,
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* problem-specific functions.
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* These functions can be called from triggers, too.
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*
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*/
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[scriptable, function, uuid(9ff02465-21cb-49f3-b975-7d5b38ceec73)]
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interface mozIStorageFunction : nsISupports {
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/**
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* onFunctionCall is called when execution of a custom
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* function should occur.
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*
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* @param aNumArguments The number of arguments
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* @param aFunctionArguments The arguments passed in to the function
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*
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* @returns any value as Variant type.
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*/
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nsIVariant onFunctionCall(in mozIStorageValueArray aFunctionArguments);
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};
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