void DatabaseSync::runTransaction(PassOwnPtr<SQLTransactionSyncCallback> callback, bool readOnly, ExceptionState& exceptionState)
{
ASSERT(m_executionContext->isContextThread());
if (sqliteDatabase().transactionInProgress()) {
setLastErrorMessage("unable to start a transaction from within a transaction");
exceptionState.throwUninformativeAndGenericDOMException(SQLDatabaseError);
return;
}
RefPtr<SQLTransactionSync> transaction = SQLTransactionSync::create(this, callback, readOnly);
transaction->begin(exceptionState);
if (exceptionState.hadException()) {
rollbackTransaction(transaction);
return;
}
transaction->execute(exceptionState);
if (exceptionState.hadException()) {
rollbackTransaction(transaction);
return;
}
transaction->commit(exceptionState);
if (exceptionState.hadException()) {
rollbackTransaction(transaction);
return;
}
setLastErrorMessage("");
}
bool LocalyticsDatabase::incrementLastSessionNumber(int *sessionNumber)
{
QString t(QLatin1String("increment_session_number"));
bool success = true;
success = beginTransaction(t);
QSqlQuery q(_databaseConnection);
if (success)
{
// Increment value
success = q.exec(QLatin1String("UPDATE localytics_info "
"SET last_session_number = (last_session_number + 1)"));
}
if (success)
{
// Retrieve new value
success = q.exec(QLatin1String("SELECT last_session_number FROM localytics_info"));
if (q.next())
{
*sessionNumber = q.value(0).toInt();
}
}
if (success)
{
releaseTransaction(t);
}
else
{
rollbackTransaction(t);
}
return success;
}
//----------------------------------------------------------------------------
void ctkPluginStorageSQL::cleanupDB()
{
QSqlDatabase database = getConnection();
QSqlQuery query(database);
beginTransaction(&query, Write);
try
{
// remove all plug-ins marked as UNINSTALLED
QString statement = "DELETE FROM " PLUGINS_TABLE " WHERE StartLevel==-2";
executeQuery(&query, statement);
// remove all old plug-in generations
statement = "DELETE FROM " PLUGINS_TABLE
" WHERE K NOT IN (SELECT K FROM (SELECT K, MAX(Generation) FROM " PLUGINS_TABLE " GROUP BY ID))";
}
catch (...)
{
rollbackTransaction(&query);
throw;
}
commitTransaction(&query);
}
bool QgsTransaction::rollback( QString& errorMsg )
{
if ( !mTransactionActive )
{
return false;
}
Q_FOREACH ( QgsVectorLayer* l, mLayers )
{
if ( l->isEditable() )
{
return false;
}
}
if ( !rollbackTransaction( errorMsg ) )
{
return false;
}
setLayerTransactionIds( 0 );
mTransactionActive = false;
emit afterRollback();
return true;
}
bool LocalyticsDatabase::resetAnalyticsData() {
// Delete or zero all analytics data.
// Reset: headers, events, session number, upload number, last session start, last close event, and last flow event.
// Unaffected: schema version, opt out status, install ID (deprecated), and app key.
QString t(QLatin1String("reset_analytics_data"));
bool success = beginTransaction(t);
QSqlQuery q(_databaseConnection);
success &= q.exec(QLatin1String("DELETE FROM events"));
success &= q.exec(QLatin1String("DELETE FROM upload_headers"));
success &= q.exec(QLatin1String("DELETE FROM localytics_amp_rule"));
success &= q.exec(QLatin1String("DELETE FROM localytics_amp_ruleevent"));
success &= q.exec(QLatin1String("UPDATE localytics_info SET "
" last_session_number = 0, last_upload_number = 0,"
" last_close_event = null, last_flow_event = null, last_session_start = null, "
" custom_d0 = null, custom_d1 = null, custom_d2 = null, custom_d3 = null, "
" customer_id = null, queued_close_event_blob = null "));
if (success) {
releaseTransaction(t);
} else {
rollbackTransaction(t);
}
return success;
}
bool LocalyticsDatabase::addCloseEventWithBlobString(QString blob)
{
QString t(QLatin1String("add_close_event"));
bool success = beginTransaction(t);
int event_id;
// Add close event.
if (success)
{
success = addEventWithBlobString(blob, &event_id);
}
// Record row id to localytics_info so that it can be removed if the session resumes.
if (success) {
QSqlQuery q(_databaseConnection);
q.prepare(QLatin1String("UPDATE localytics_info SET last_close_event = (SELECT event_id FROM events WHERE rowid = :rowid)"));
q.bindValue(QLatin1String(":rowid"), event_id);
success = q.exec();
}
if (success) {
releaseTransaction(t);
} else {
rollbackTransaction(t);
}
return success;
}
bool IncrementalParser::runStaticInitOnTransaction(Transaction* T) const {
// run the static initializers that came from codegenning
bool success =
m_Interpreter->runStaticInitializersOnce() < Interpreter::kExeFirstError;
if (!success)
rollbackTransaction(T);
return success;
}
static void deleteNodeFromCountry(LCountry* country, OsmId id) {
beginTransaction(country->db);
if(deleteFromDbById(country->db, country->deleteNodeTagsStatement, id) &&
deleteFromDbById(country->db, country->deleteNodeStatement, id)) {
commitTransaction(country->db);
} else {
rollbackTransaction(country->db);
}
}
bool IncrementalParser::transformTransactionIR(Transaction* T) const {
// Transform IR
bool success = true;
for (size_t i = 0; success && i < m_IRTransformers.size(); ++i)
success = m_IRTransformers[i]->TransformTransaction(*T);
if (!success)
rollbackTransaction(T);
return success;
}
bool IncrementalParser::transformTransactionAST(Transaction* T) const {
bool success = true;
// We are sure it's safe to pipe it through the transformers
for (size_t i = 0; success && i < m_ASTTransformers.size(); ++i)
success = m_ASTTransformers[i]->TransformTransaction(*T);
m_CI->getDiagnostics().Reset(); // FIXME: Should be in rollback transaction.
if (!success)
rollbackTransaction(T);
return success;
}
bool QgsTransaction::rollback( QString& errorMsg )
{
if ( !mTransactionActive )
return false;
if ( !rollbackTransaction( errorMsg ) )
return false;
setLayerTransactionIds( nullptr );
mTransactionActive = false;
emit afterRollback();
return true;
}
// Call Trade Order Frame 5
void CTradeOrderDB::DoTradeOrderFrame5(TTradeOrderFrame5Output *pOut)
{
#ifdef DEBUG
cout << "<<< TOF5" << endl;
#endif
// rollback the transaction we are inside
rollbackTransaction();
pOut->status = CBaseTxnErr::ROLLBACK;
#ifdef DEBUG
cout << "- Trade Order Frame 5 (output)" << endl <<
"-- status: " << pOut->status << endl;
cout << ">>> TOF5" << endl;
#endif
}
bool LocalyticsDatabase::deleteUploadedData()
{
// Delete all headers and staged events.
QString t(QLatin1String("delete_upload_data"));
bool success = beginTransaction(t);
QSqlQuery q(_databaseConnection);
success &= q.exec(QLatin1String("DELETE FROM events WHERE upload_header IS NOT NULL"));
success &= q.exec(QLatin1String("DELETE FROM upload_headers"));
if (success) {
releaseTransaction(t);
} else {
rollbackTransaction(t);
}
return success;
}
void BaseDatabaseUnitImpl::runTransaction(std::vector<CppSQLite3Statement> & statements)
{
if (beginTransaction())
{
try
{
for (auto it = statements.begin(); it != statements.end(); ++it)
{
it->execDML();
}
commitTransaction();
}
catch (CppSQLite3Exception e)
{
LOG_ERR_R(DATABASE_MANAGER_LOG_TAG, _T("Failed to run transaction, error: %u"), e.errorCode());
LOG_ERR_D_A(DATABASE_MANAGER_LOG_TAG_A, "Message: %s", e.errorMessage());
rollbackTransaction();
}
}
}
bool MySqlDataBase::insertWithManyValues(const QString &tableDescr,
const QList<QVariantList> &data)
{
if(data.count() == 0
|| tableDescr.isEmpty())
{
return false;
}
QSqlQuery query(db_);
const int bufferSizeMax = 2000;
int counter = 0;
const int dataSize = data.at(0).count();
QString valuesRequet("(");
for(int i = 0; i < data.count(); i++)
{
valuesRequet += "?, ";
}
valuesRequet = valuesRequet.left(valuesRequet.length()-2);
valuesRequet += "),";
beginTransaction();
while(counter < dataSize)
{
int delta = 0;
if(counter + bufferSizeMax <= dataSize)
{
delta = bufferSizeMax;
}
else
{
delta = dataSize - counter;
}
QString request("insert into " + tableDescr + " values");
for(int j = counter; j < counter + delta ; j++)
{
request += valuesRequet;
}
request = request.left(request.length() - 1);
request += ";";
query.prepare(request);
for(int k = counter; k < counter + delta; k++)
{
foreach (const QVariantList &list, data)
{
query.addBindValue(list.at(k));
}
}
if(!query.exec())
{
qInfo() << query.lastError().text();
qInfo() << query.lastQuery();
rollbackTransaction();
return false;
}
counter += delta;
}
//----------------------------------------------------------------------------
void ctkPluginStorageSQL::updateDB()
{
QSqlDatabase database = getConnection();
QSqlQuery query(database);
beginTransaction(&query, Write);
// 1. Get the state information of all plug-ins (it is assumed that
// plug-ins marked as UNINSTALLED (startlevel == -2) are already removed
QString statement = "SELECT ID,MAX(Generation),Location,LocalPath,Timestamp,StartLevel,AutoStart,K "
"FROM " PLUGINS_TABLE " GROUP BY ID";
QList<int> outdatedIds;
QList<QSharedPointer<ctkPluginArchiveSQL> > updatedPluginArchives;
try
{
executeQuery(&query, statement);
// 2. Check the timestamp for each plug-in
while (query.next())
{
QFileInfo pluginInfo(query.value(EBindIndex3).toString());
QDateTime pluginLastModified = pluginInfo.lastModified();
// Make sure the QDateTime has the same accuracy as the one in the database
pluginLastModified = getQDateTimeFromString(getStringFromQDateTime(pluginLastModified));
if (pluginLastModified > getQDateTimeFromString(query.value(EBindIndex4).toString()))
{
QSharedPointer<ctkPluginArchiveSQL> updatedPA(
new ctkPluginArchiveSQL(this,
query.value(EBindIndex2).toUrl(), // plug-in location url
query.value(EBindIndex3).toString(), // plugin local path
query.value(EBindIndex).toInt(), // plugin id
query.value(EBindIndex5).toInt(), // start level
QDateTime(), // last modififed
query.value(EBindIndex6).toInt()) // auto start setting
);
updatedPA->key = query.value(EBindIndex7).toInt();
updatedPluginArchives << updatedPA;
// remember the plug-in ids for deletion
outdatedIds << query.value(EBindIndex).toInt();
}
}
}
catch (...)
{
rollbackTransaction(&query);
throw;
}
query.finish();
query.clear();
if (!outdatedIds.isEmpty())
{
// 3. Remove all traces from outdated plug-in data. Due to cascaded delete,
// it is sufficient to remove the records from the main table
statement = "DELETE FROM " PLUGINS_TABLE " WHERE ID IN (%1)";
QString idStr;
foreach(int id, outdatedIds)
{
idStr += QString::number(id) + ",";
}
void IncrementalParser::commitTransaction(Transaction* T) {
//Transaction* CurT = m_Consumer->getTransaction();
assert(T->isCompleted() && "Transaction not ended!?");
assert(T->getState() != Transaction::kCommitted
&& "Committing an already committed transaction.");
// Check for errors...
if (T->getIssuedDiags() == Transaction::kErrors) {
rollbackTransaction(T);
return;
}
if (T->hasNestedTransactions()) {
for(Transaction::const_nested_iterator I = T->nested_begin(),
E = T->nested_end(); I != E; ++I)
if ((*I)->getState() != Transaction::kCommitted)
commitTransaction(*I);
}
// We are sure it's safe to pipe it through the transformers
bool success = true;
for (size_t i = 0; i < m_TTransformers.size(); ++i) {
success = m_TTransformers[i]->TransformTransaction(*T);
if (!success) {
break;
}
}
m_CI->getDiagnostics().Reset(); // FIXME: Should be in rollback transaction.
if (!success) {
// Roll back on error in a transformer
rollbackTransaction(T);
return;
}
// Pull all template instantiations in that came from the consumers.
getCI()->getSema().PerformPendingInstantiations();
m_Consumer->HandleTranslationUnit(getCI()->getASTContext());
if (T->getCompilationOpts().CodeGeneration && hasCodeGenerator()) {
// codegen the transaction
for (size_t Idx = 0; Idx < T->size() /*can change in the loop!*/; ++Idx) {
// Copy DCI; it might get relocated below.
Transaction::DelayCallInfo I = (*T)[Idx];
if (I.m_Call == Transaction::kCCIHandleTopLevelDecl)
getCodeGenerator()->HandleTopLevelDecl(I.m_DGR);
else if (I.m_Call == Transaction::kCCIHandleInterestingDecl) {
// Usually through BackendConsumer which doesn't implement
// HandleInterestingDecl() and thus calls
// ASTConsumer::HandleInterestingDecl()
getCodeGenerator()->HandleTopLevelDecl(I.m_DGR);
} else if(I.m_Call == Transaction::kCCIHandleTagDeclDefinition) {
TagDecl* TD = cast<TagDecl>(I.m_DGR.getSingleDecl());
getCodeGenerator()->HandleTagDeclDefinition(TD);
}
else if (I.m_Call == Transaction::kCCIHandleVTable) {
CXXRecordDecl* CXXRD = cast<CXXRecordDecl>(I.m_DGR.getSingleDecl());
getCodeGenerator()->HandleVTable(CXXRD, /*isRequired*/true);
}
else if (I.m_Call
== Transaction::kCCIHandleCXXImplicitFunctionInstantiation) {
FunctionDecl* FD = cast<FunctionDecl>(I.m_DGR.getSingleDecl());
getCodeGenerator()->HandleCXXImplicitFunctionInstantiation(FD);
}
else if (I.m_Call
== Transaction::kCCIHandleCXXStaticMemberVarInstantiation) {
VarDecl* VD = cast<VarDecl>(I.m_DGR.getSingleDecl());
getCodeGenerator()->HandleCXXStaticMemberVarInstantiation(VD);
}
else if (I.m_Call == Transaction::kCCINone)
; // We use that internally as delimiter in the Transaction.
else
llvm_unreachable("We shouldn't have decl without call info.");
}
getCodeGenerator()->HandleTranslationUnit(getCI()->getASTContext());
T->setModule(getCodeGenerator()->GetModule());
// The static initializers might run anything and can thus cause more
// decls that need to end up in a transaction. But this one is done
// with CodeGen...
T->setState(Transaction::kCommitting);
// run the static initializers that came from codegenning
if (m_Interpreter->runStaticInitializersOnce()
>= Interpreter::kExeFirstError) {
// Roll back on error in a transformer
rollbackTransaction(T);
return;
}
} else
T->setState(Transaction::kCommitting);
InterpreterCallbacks* callbacks = m_Interpreter->getCallbacks();
if (callbacks) {
callbacks->TransactionCommitted(*T);
}
if (T->hasNestedTransactions()) {
Transaction* SubTransactionWhileCommitting = *T->rnested_begin();
if (SubTransactionWhileCommitting->getState()
== Transaction::kCollecting) {
// A nested transaction was created while committing this
// transaction; commit it now.
SubTransactionWhileCommitting->setState(Transaction::kCompleted);
commitTransaction(SubTransactionWhileCommitting);
}
}
T->setState(Transaction::kCommitted);
// If the transaction is empty do nothing.
// Except it was nested transaction and we want to reuse it later on.
if (T->empty() && T->isNestedTransaction()) {
// We need to remove the marker from its parent.
Transaction* ParentT = T->getParent();
for (size_t i = 0; i < ParentT->size(); ++i)
if ((*ParentT)[i].m_DGR.isNull())
ParentT->erase(i);
}
if (T->isNestedTransaction()) {
// TODO: Add proper logic in the case where there are multiple nested
// transaction. This now won't handle the case where there are more than
// one level 1 nested transactions.
m_Consumer->setTransaction(T->getParent());
}
}
void IncrementalParser::commitTransaction(Transaction* T) {
//Transaction* CurT = m_Consumer->getTransaction();
assert(T->isCompleted() && "Transaction not ended!?");
assert(T->getState() != Transaction::kCommitted
&& "Committing an already committed transaction.");
// If committing a nested transaction the active one should be its parent
// from now on.
if (T->isNestedTransaction())
m_Consumer->setTransaction(T->getParent());
// Check for errors...
if (T->getIssuedDiags() == Transaction::kErrors) {
rollbackTransaction(T);
return;
}
if (T->hasNestedTransactions()) {
for(Transaction::const_nested_iterator I = T->nested_begin(),
E = T->nested_end(); I != E; ++I)
if ((*I)->getState() != Transaction::kCommitted)
commitTransaction(*I);
}
if (!transformTransactionAST(T))
return;
// Here we expect a template instantiation. We need to open the transaction
// that we are currently work with.
Transaction::State oldState = T->getState();
T->setState(Transaction::kCollecting);
// Pull all template instantiations in that came from the consumers.
getCI()->getSema().PerformPendingInstantiations();
T->setState(oldState);
m_Consumer->HandleTranslationUnit(getCI()->getASTContext());
if (T->getCompilationOpts().CodeGeneration && hasCodeGenerator()) {
codeGenTransaction(T);
transformTransactionIR(T);
}
// The static initializers might run anything and can thus cause more
// decls that need to end up in a transaction. But this one is done
// with CodeGen...
T->setState(Transaction::kCommitted);
if (T->getCompilationOpts().CodeGeneration && hasCodeGenerator()) {
runStaticInitOnTransaction(T);
}
InterpreterCallbacks* callbacks = m_Interpreter->getCallbacks();
if (callbacks)
callbacks->TransactionCommitted(*T);
// If the transaction is empty do nothing.
// Except it was nested transaction and we want to reuse it later on.
if (T->empty() && T->isNestedTransaction()) {
// We need to remove the marker from its parent.
Transaction* ParentT = T->getParent();
for (size_t i = 0; i < ParentT->size(); ++i)
if ((*ParentT)[i].m_DGR.isNull())
ParentT->erase(i);
}
}