Exemplo n.º 1
0
MojErr MojDbDistinctTest::check(MojDb& db, const MojDbQuery& query, MojDbCursor& cursor, const MojChar* queryString, const MojChar* expectedIdsJson)
{
	MojErr err = db.find(query, cursor);
	MojTestErrCheck(err);

	MojObjectBuilder builder;
	err = builder.beginArray();
	MojTestErrCheck(err);
	err = cursor.visit(builder);
	MojTestErrCheck(err);
	err = cursor.close();
	MojTestErrCheck(err);
	err = builder.endArray();
	MojTestErrCheck(err);
	MojObject results = builder.object();

	MojString json;
	err = results.toJson(json);
	MojTestErrCheck(err);

	MojObject expected;
	err = expected.fromJson(expectedIdsJson);
	MojTestErrCheck(err);

	// size check
	MojTestAssert(expected.size() == results.size());

	// value check
	MojObject::ConstArrayIterator j = results.arrayBegin();
	for (MojObject::ConstArrayIterator i = expected.arrayBegin();
			i != expected.arrayEnd(); ++i, ++j) {
		MojObject value;
		err = j->getRequired(queryString, value);
		MojTestErrCheck(err);
		MojTestAssert(*i == value);
	}
	return MojErrNone;
}
Exemplo n.º 2
0
MojErr MojDbServiceHandler::findImpl(MojServiceMessage* msg, MojObject& payload, MojDbReq& req, MojDbCursor& cursor, bool doCount)
{
	MojAssert(msg);
	MojLogTrace(s_log);

	MojObject queryObj;
	MojErr err = payload.getRequired(MojDbServiceDefs::QueryKey, queryObj);
	MojErrCheck(err);
	bool doWatch = false;
	payload.get(MojDbServiceDefs::WatchKey, doWatch);

	MojDbQuery query;
	err = query.fromObject(queryObj);
	MojErrCheck(err);
	MojUInt32 limit = query.limit();
	if (limit == MojDbQuery::LimitDefault){
		query.limit(MaxQueryLimit);
	} else if (limit > MaxQueryLimit) {
		MojErrThrowMsg(MojErrDbInvalidQuery, _T("db: limit greater than %d not allowed"), MaxQueryLimit);
	}

	if (doWatch) {
		MojRefCountedPtr<Watcher> watcher(new Watcher(msg));
		MojAllocCheck(watcher.get());
		err = m_db.find(query, cursor, watcher->m_watchSlot, req);
		MojErrCheck(err);
	} else {
		err = m_db.find(query, cursor, req);
		MojErrCheck(err);
	}

	// append results
	MojObjectVisitor& writer = msg->writer();
	err = writer.beginObject();
	MojErrCheck(err);
	err = writer.boolProp(MojServiceMessage::ReturnValueKey, true);
	MojErrCheck(err);
	err = writer.propName(MojDbServiceDefs::ResultsKey);
	MojErrCheck(err);
	err = writer.beginArray();
	MojErrCheck(err);
	err = cursor.visit(writer);
	MojErrCheck(err);
	err = writer.endArray();
	MojErrCheck(err);

	// append next page
	MojDbQuery::Page page;
	err = cursor.nextPage(page);
	MojErrCheck(err);
	if (!page.empty()) {
		MojObject pageObj;
		err = page.toObject(pageObj);
		MojErrCheck(err);
		err = writer.objectProp(MojDbServiceDefs::NextKey, pageObj);
		MojErrCheck(err);
	}

	// append count
	if (doCount) {
		MojUInt32 count = 0;
		err = cursor.count(count);
		MojErrCheck(err);
		err = writer.intProp(MojDbServiceDefs::CountKey, (MojInt64) count);
		MojErrCheck(err);
	}

	err = writer.endObject();
	MojErrCheck(err);

	if (doWatch) {
		// if this is a watched query, it cannot be part of a batch so it's safe to reply here
		err = msg->reply();
		MojErrCheck(err);
	}

	// notifications can fire any time after the cursor is closed,
	// so don't close it until after sending the reply.
	err = cursor.close();
	MojErrCheck(err);

	return MojErrNone;
}