gecko/dom/indexedDB/IDBDatabase.cpp

782 lines
22 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Indexed Database.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Ben Turner <bent.mozilla@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "IDBDatabase.h"
#include "mozilla/Mutex.h"
#include "mozilla/storage.h"
#include "nsDOMClassInfo.h"
#include "nsDOMLists.h"
#include "nsEventDispatcher.h"
#include "nsJSUtils.h"
#include "nsProxyRelease.h"
#include "nsThreadUtils.h"
#include "AsyncConnectionHelper.h"
#include "CheckQuotaHelper.h"
#include "DatabaseInfo.h"
#include "IDBEvents.h"
#include "IDBIndex.h"
#include "IDBObjectStore.h"
#include "IDBTransaction.h"
#include "IDBFactory.h"
#include "IndexedDatabaseManager.h"
#include "TransactionThreadPool.h"
#include "DictionaryHelpers.h"
#include "nsDOMEventTargetHelper.h"
USING_INDEXEDDB_NAMESPACE
namespace {
class CreateObjectStoreHelper : public AsyncConnectionHelper
{
public:
CreateObjectStoreHelper(IDBTransaction* aTransaction,
IDBObjectStore* aObjectStore)
: AsyncConnectionHelper(aTransaction, nsnull), mObjectStore(aObjectStore)
{ }
nsresult DoDatabaseWork(mozIStorageConnection* aConnection);
nsresult OnSuccess()
{
return NS_OK;
}
void OnError()
{
NS_ASSERTION(mTransaction->IsAborted(), "How else can this fail?!");
}
void ReleaseMainThreadObjects()
{
mObjectStore = nsnull;
AsyncConnectionHelper::ReleaseMainThreadObjects();
}
private:
nsRefPtr<IDBObjectStore> mObjectStore;
};
class DeleteObjectStoreHelper : public AsyncConnectionHelper
{
public:
DeleteObjectStoreHelper(IDBTransaction* aTransaction,
PRInt64 aObjectStoreId)
: AsyncConnectionHelper(aTransaction, nsnull), mObjectStoreId(aObjectStoreId)
{ }
nsresult DoDatabaseWork(mozIStorageConnection* aConnection);
nsresult OnSuccess()
{
return NS_OK;
}
void OnError()
{
NS_ASSERTION(mTransaction->IsAborted(), "How else can this fail?!");
}
private:
// In-params.
PRInt64 mObjectStoreId;
};
NS_STACK_CLASS
class AutoRemoveObjectStore
{
public:
AutoRemoveObjectStore(DatabaseInfo* aInfo, const nsAString& aName)
: mInfo(aInfo), mName(aName)
{ }
~AutoRemoveObjectStore()
{
if (mInfo) {
mInfo->RemoveObjectStore(mName);
}
}
void forget()
{
mInfo = nsnull;
}
private:
DatabaseInfo* mInfo;
nsString mName;
};
} // anonymous namespace
// static
already_AddRefed<IDBDatabase>
IDBDatabase::Create(IDBWrapperCache* aOwnerCache,
already_AddRefed<DatabaseInfo> aDatabaseInfo,
const nsACString& aASCIIOrigin,
FileManager* aFileManager)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(!aASCIIOrigin.IsEmpty(), "Empty origin!");
nsRefPtr<DatabaseInfo> databaseInfo(aDatabaseInfo);
NS_ASSERTION(databaseInfo, "Null pointer!");
nsRefPtr<IDBDatabase> db(new IDBDatabase());
db->mScriptContext = aOwnerCache->GetScriptContext();
db->mOwner = aOwnerCache->GetOwner();
db->mScriptOwner = aOwnerCache->GetScriptOwner();
db->mDatabaseId = databaseInfo->id;
db->mName = databaseInfo->name;
db->mFilePath = databaseInfo->filePath;
databaseInfo.swap(db->mDatabaseInfo);
db->mASCIIOrigin = aASCIIOrigin;
db->mFileManager = aFileManager;
IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get();
NS_ASSERTION(mgr, "This should never be null!");
if (!mgr->RegisterDatabase(db)) {
// Either out of memory or shutting down.
return nsnull;
}
return db.forget();
}
IDBDatabase::IDBDatabase()
: mDatabaseId(0),
mInvalidated(0),
mRegistered(false),
mClosed(false),
mRunningVersionChange(false)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
}
IDBDatabase::~IDBDatabase()
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (mRegistered) {
CloseInternal(true);
IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get();
if (mgr) {
mgr->UnregisterDatabase(this);
}
}
nsContentUtils::ReleaseWrapper(static_cast<nsIDOMEventTarget*>(this), this);
}
void
IDBDatabase::Invalidate()
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
// Make sure we're closed too.
Close();
// When the IndexedDatabaseManager needs to invalidate databases, all it has
// is an origin, so we call back into the manager to cancel any prompts for
// our owner.
IndexedDatabaseManager::CancelPromptsForWindow(GetOwner());
mInvalidated = true;
}
bool
IDBDatabase::IsInvalidated()
{
return !!mInvalidated;
}
void
IDBDatabase::CloseInternal(bool aIsDead)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mClosed) {
// If we're getting called from Unlink, avoid cloning the DatabaseInfo.
{
nsRefPtr<DatabaseInfo> previousInfo;
mDatabaseInfo.swap(previousInfo);
if (!aIsDead) {
nsRefPtr<DatabaseInfo> clonedInfo = previousInfo->Clone();
clonedInfo.swap(mDatabaseInfo);
}
}
IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get();
if (mgr) {
mgr->OnDatabaseClosed(this);
}
mClosed = true;
}
}
bool
IDBDatabase::IsClosed()
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
return mClosed;
}
void
IDBDatabase::EnterSetVersionTransaction()
{
NS_ASSERTION(!mRunningVersionChange, "How did that happen?");
mRunningVersionChange = true;
}
void
IDBDatabase::ExitSetVersionTransaction()
{
NS_ASSERTION(mRunningVersionChange, "How did that happen?");
mRunningVersionChange = false;
}
void
IDBDatabase::OnUnlink()
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(!GetOwner() && !GetScriptOwner(),
"Should have been cleared already!");
// We've been unlinked, at the very least we should be able to prevent further
// transactions from starting and unblock any other SetVersion callers.
CloseInternal(true);
// No reason for the IndexedDatabaseManager to track us any longer.
IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get();
if (mgr) {
mgr->UnregisterDatabase(this);
// Don't try to unregister again in the destructor.
mRegistered = false;
}
}
NS_IMPL_CYCLE_COLLECTION_CLASS(IDBDatabase)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(IDBDatabase, IDBWrapperCache)
NS_CYCLE_COLLECTION_TRAVERSE_EVENT_HANDLER(abort)
NS_CYCLE_COLLECTION_TRAVERSE_EVENT_HANDLER(error)
NS_CYCLE_COLLECTION_TRAVERSE_EVENT_HANDLER(versionchange)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(IDBDatabase, IDBWrapperCache)
NS_CYCLE_COLLECTION_UNLINK_EVENT_HANDLER(abort)
NS_CYCLE_COLLECTION_UNLINK_EVENT_HANDLER(error)
NS_CYCLE_COLLECTION_UNLINK_EVENT_HANDLER(versionchange)
// Do some cleanup.
tmp->OnUnlink();
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(IDBDatabase)
NS_INTERFACE_MAP_ENTRY(nsIIDBDatabase)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(IDBDatabase)
NS_INTERFACE_MAP_END_INHERITING(IDBWrapperCache)
NS_IMPL_ADDREF_INHERITED(IDBDatabase, IDBWrapperCache)
NS_IMPL_RELEASE_INHERITED(IDBDatabase, IDBWrapperCache)
DOMCI_DATA(IDBDatabase, IDBDatabase)
NS_IMPL_EVENT_HANDLER(IDBDatabase, abort);
NS_IMPL_EVENT_HANDLER(IDBDatabase, error);
NS_IMPL_EVENT_HANDLER(IDBDatabase, versionchange);
NS_IMETHODIMP
IDBDatabase::GetName(nsAString& aName)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
aName.Assign(mName);
return NS_OK;
}
NS_IMETHODIMP
IDBDatabase::GetVersion(PRUint64* aVersion)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
DatabaseInfo* info = Info();
*aVersion = info->version;
return NS_OK;
}
NS_IMETHODIMP
IDBDatabase::GetObjectStoreNames(nsIDOMDOMStringList** aObjectStores)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
DatabaseInfo* info = Info();
nsAutoTArray<nsString, 10> objectStoreNames;
if (!info->GetObjectStoreNames(objectStoreNames)) {
NS_WARNING("Couldn't get names!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
nsRefPtr<nsDOMStringList> list(new nsDOMStringList());
PRUint32 count = objectStoreNames.Length();
for (PRUint32 index = 0; index < count; index++) {
NS_ENSURE_TRUE(list->Add(objectStoreNames[index]),
NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
list.forget(aObjectStores);
return NS_OK;
}
NS_IMETHODIMP
IDBDatabase::CreateObjectStore(const nsAString& aName,
const jsval& aOptions,
JSContext* aCx,
nsIIDBObjectStore** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
IDBTransaction* transaction = AsyncConnectionHelper::GetCurrentTransaction();
if (!transaction ||
transaction->Mode() != nsIIDBTransaction::VERSION_CHANGE) {
return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
}
DatabaseInfo* databaseInfo = transaction->DBInfo();
mozilla::dom::IDBObjectStoreParameters params;
nsString keyPath;
keyPath.SetIsVoid(true);
nsTArray<nsString> keyPathArray;
if (!JSVAL_IS_VOID(aOptions) && !JSVAL_IS_NULL(aOptions)) {
nsresult rv = params.Init(aCx, &aOptions);
NS_ENSURE_SUCCESS(rv, rv);
// Get keyPath
jsval val = params.keyPath;
if (!JSVAL_IS_VOID(val) && !JSVAL_IS_NULL(val)) {
if (!JSVAL_IS_PRIMITIVE(val) &&
JS_IsArrayObject(aCx, JSVAL_TO_OBJECT(val))) {
JSObject* obj = JSVAL_TO_OBJECT(val);
jsuint length;
if (!JS_GetArrayLength(aCx, obj, &length)) {
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (!length) {
return NS_ERROR_DOM_SYNTAX_ERR;
}
keyPathArray.SetCapacity(length);
for (jsuint index = 0; index < length; index++) {
jsval val;
JSString* jsstr;
nsDependentJSString str;
if (!JS_GetElement(aCx, obj, index, &val) ||
!(jsstr = JS_ValueToString(aCx, val)) ||
!str.init(aCx, jsstr)) {
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (!IDBObjectStore::IsValidKeyPath(aCx, str)) {
return NS_ERROR_DOM_SYNTAX_ERR;
}
keyPathArray.AppendElement(str);
}
NS_ASSERTION(!keyPathArray.IsEmpty(), "This shouldn't have happened!");
}
else {
JSString* jsstr;
nsDependentJSString str;
if (!(jsstr = JS_ValueToString(aCx, val)) ||
!str.init(aCx, jsstr)) {
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (!IDBObjectStore::IsValidKeyPath(aCx, str)) {
return NS_ERROR_DOM_SYNTAX_ERR;
}
keyPath = str;
}
}
}
if (databaseInfo->ContainsStoreName(aName)) {
return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR;
}
if (params.autoIncrement &&
((!keyPath.IsVoid() && keyPath.IsEmpty()) || !keyPathArray.IsEmpty())) {
return NS_ERROR_DOM_INVALID_ACCESS_ERR;
}
nsRefPtr<ObjectStoreInfo> newInfo(new ObjectStoreInfo());
newInfo->name = aName;
newInfo->id = databaseInfo->nextObjectStoreId++;
newInfo->keyPath = keyPath;
newInfo->keyPathArray = keyPathArray;
newInfo->nextAutoIncrementId = params.autoIncrement ? 1 : 0;
newInfo->comittedAutoIncrementId = newInfo->nextAutoIncrementId;
if (!databaseInfo->PutObjectStore(newInfo)) {
NS_WARNING("Put failed!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
// Don't leave this in the hash if we fail below!
AutoRemoveObjectStore autoRemove(databaseInfo, aName);
nsRefPtr<IDBObjectStore> objectStore =
transaction->GetOrCreateObjectStore(aName, newInfo);
NS_ENSURE_TRUE(objectStore, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
nsRefPtr<CreateObjectStoreHelper> helper =
new CreateObjectStoreHelper(transaction, objectStore);
nsresult rv = helper->DispatchToTransactionPool();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
autoRemove.forget();
objectStore.forget(_retval);
return NS_OK;
}
NS_IMETHODIMP
IDBDatabase::DeleteObjectStore(const nsAString& aName)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
IDBTransaction* transaction = AsyncConnectionHelper::GetCurrentTransaction();
if (!transaction ||
transaction->Mode() != nsIIDBTransaction::VERSION_CHANGE) {
return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
}
DatabaseInfo* info = transaction->DBInfo();
ObjectStoreInfo* objectStoreInfo = info->GetObjectStore(aName);
if (!objectStoreInfo) {
return NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR;
}
nsRefPtr<DeleteObjectStoreHelper> helper =
new DeleteObjectStoreHelper(transaction, objectStoreInfo->id);
nsresult rv = helper->DispatchToTransactionPool();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
transaction->RemoveObjectStore(aName);
return NS_OK;
}
NS_IMETHODIMP
IDBDatabase::Transaction(const jsval& aStoreNames,
PRUint16 aMode,
JSContext* aCx,
PRUint8 aOptionalArgCount,
nsIIDBTransaction** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (IndexedDatabaseManager::IsShuttingDown()) {
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (mClosed) {
return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
}
if (mRunningVersionChange) {
return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
}
if (aOptionalArgCount) {
if (aMode != nsIIDBTransaction::READ_WRITE &&
aMode != nsIIDBTransaction::READ_ONLY) {
return NS_ERROR_DOM_INDEXEDDB_NON_TRANSIENT_ERR;
}
}
else {
aMode = nsIIDBTransaction::READ_ONLY;
}
nsresult rv;
nsTArray<nsString> storesToOpen;
if (!JSVAL_IS_PRIMITIVE(aStoreNames)) {
JSObject* obj = JSVAL_TO_OBJECT(aStoreNames);
// See if this is a JS array.
if (JS_IsArrayObject(aCx, obj)) {
jsuint length;
if (!JS_GetArrayLength(aCx, obj, &length)) {
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (!length) {
return NS_ERROR_DOM_INVALID_ACCESS_ERR;
}
storesToOpen.SetCapacity(length);
for (jsuint index = 0; index < length; index++) {
jsval val;
JSString* jsstr;
nsDependentJSString str;
if (!JS_GetElement(aCx, obj, index, &val) ||
!(jsstr = JS_ValueToString(aCx, val)) ||
!str.init(aCx, jsstr)) {
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
storesToOpen.AppendElement(str);
}
NS_ASSERTION(!storesToOpen.IsEmpty(),
"Must have something here or else code below will "
"misbehave!");
}
else {
// Perhaps some kind of wrapped object?
nsIXPConnect* xpc = nsContentUtils::XPConnect();
NS_ASSERTION(xpc, "This should never be null!");
nsCOMPtr<nsIXPConnectWrappedNative> wrapper;
rv = xpc->GetWrappedNativeOfJSObject(aCx, obj, getter_AddRefs(wrapper));
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (wrapper) {
nsISupports* wrappedObject = wrapper->Native();
NS_ENSURE_TRUE(wrappedObject, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
// We only accept DOMStringList.
nsCOMPtr<nsIDOMDOMStringList> list = do_QueryInterface(wrappedObject);
if (list) {
PRUint32 length;
rv = list->GetLength(&length);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (!length) {
return NS_ERROR_DOM_INVALID_ACCESS_ERR;
}
storesToOpen.SetCapacity(length);
for (PRUint32 index = 0; index < length; index++) {
nsString* item = storesToOpen.AppendElement();
NS_ASSERTION(item, "This should never fail!");
rv = list->Item(index, *item);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
NS_ASSERTION(!storesToOpen.IsEmpty(),
"Must have something here or else code below will "
"misbehave!");
}
}
}
}
// If our list is empty here then the argument must have been an object that
// we don't support or a primitive. Either way we convert to a string.
if (storesToOpen.IsEmpty()) {
JSString* jsstr;
nsDependentJSString str;
if (!(jsstr = JS_ValueToString(aCx, aStoreNames)) ||
!str.init(aCx, jsstr)) {
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
storesToOpen.AppendElement(str);
}
// Now check to make sure the object store names we collected actually exist.
DatabaseInfo* info = Info();
for (PRUint32 index = 0; index < storesToOpen.Length(); index++) {
if (!info->ContainsStoreName(storesToOpen[index])) {
return NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR;
}
}
nsRefPtr<IDBTransaction> transaction =
IDBTransaction::Create(this, storesToOpen, aMode, false);
NS_ENSURE_TRUE(transaction, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
transaction.forget(_retval);
return NS_OK;
}
NS_IMETHODIMP
IDBDatabase::Close()
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
CloseInternal(false);
NS_ASSERTION(mClosed, "Should have set the closed flag!");
return NS_OK;
}
nsresult
IDBDatabase::PostHandleEvent(nsEventChainPostVisitor& aVisitor)
{
NS_ENSURE_TRUE(aVisitor.mDOMEvent, NS_ERROR_UNEXPECTED);
if (!mOwner) {
return NS_OK;
}
if (aVisitor.mEventStatus != nsEventStatus_eConsumeNoDefault) {
nsString type;
nsresult rv = aVisitor.mDOMEvent->GetType(type);
NS_ENSURE_SUCCESS(rv, rv);
if (type.EqualsLiteral(ERROR_EVT_STR)) {
nsRefPtr<nsDOMEvent> duplicateEvent =
CreateGenericEvent(type, eDoesNotBubble, eNotCancelable);
NS_ENSURE_STATE(duplicateEvent);
nsCOMPtr<nsIDOMEventTarget> target(do_QueryInterface(mOwner));
NS_ASSERTION(target, "How can this happen?!");
bool dummy;
rv = target->DispatchEvent(duplicateEvent, &dummy);
NS_ENSURE_SUCCESS(rv, rv);
}
}
return NS_OK;
}
nsresult
CreateObjectStoreHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
nsCOMPtr<mozIStorageStatement> stmt =
mTransaction->GetCachedStatement(NS_LITERAL_CSTRING(
"INSERT INTO object_store (id, auto_increment, name, key_path) "
"VALUES (:id, :auto_increment, :name, :key_path)"
));
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("id"),
mObjectStore->Id());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->BindInt32ByName(NS_LITERAL_CSTRING("auto_increment"),
mObjectStore->IsAutoIncrement() ? 1 : 0);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->BindStringByName(NS_LITERAL_CSTRING("name"), mObjectStore->Name());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (mObjectStore->UsesKeyPathArray()) {
// We use a comma in the beginning to indicate that it's an array of
// key paths. This is to be able to tell a string-keypath from an
// array-keypath which contains only one item.
// It also makes serializing easier :-)
nsAutoString keyPath;
const nsTArray<nsString>& keyPaths = mObjectStore->KeyPathArray();
for (PRUint32 i = 0; i < keyPaths.Length(); ++i) {
keyPath.Append(NS_LITERAL_STRING(",") + keyPaths[i]);
}
rv = stmt->BindStringByName(NS_LITERAL_CSTRING("key_path"),
keyPath);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
else if (mObjectStore->HasKeyPath()) {
rv = stmt->BindStringByName(NS_LITERAL_CSTRING("key_path"),
mObjectStore->KeyPath());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
else {
rv = stmt->BindNullByName(NS_LITERAL_CSTRING("key_path"));
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return NS_OK;
}
nsresult
DeleteObjectStoreHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
nsCOMPtr<mozIStorageStatement> stmt =
mTransaction->GetCachedStatement(NS_LITERAL_CSTRING(
"DELETE FROM object_store "
"WHERE id = :id "
));
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("id"), mObjectStoreId);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return NS_OK;
}