bool Sql::Execute() {
	SqlSession &session = GetSession();

	session.SetStatement(cn->statement);
	session.SetStatus(SqlSession::BEFORE_EXECUTING);
	cn->starttime = GetTickCount();
	Stream *s = session.GetTrace();
	if(s) {
#ifndef NOAPPSQL
		if(this == &AppCursor())
			*s << "SQL* ";
		else
		if(this == &AppCursorR())
			*s << "SQLR* ";
#endif
		String st = cn->statement;
		if(session.IsTraceCompression())
			st = CompressLog(st);
		int i = 0;
		for(const char *q = st; *q; q++)
			if(*q == '?' && i < param.GetCount()) {
				Value v = param[i++];
				if(IsString(v))
					*s << '\'' << v << '\'';
				else
					*s << v;
			}
			else
				s->Put(*q);
		*s << '\n';
	}
	if(!session.IsOpen())
	{
		session.SetStatus(SqlSession::CONNECTION_ERROR);
		return false;
	}
	session.SetStatus(SqlSession::START_EXECUTING);
	bool b = cn->Execute();
	session.SetTime(GetTickCount() - cn->starttime);
	session.SetStatus(SqlSession::END_EXECUTING);
	if(!b)
		session.SetStatus(SqlSession::EXECUTING_ERROR);
	for(int i = 0; i < cn->info.GetCount(); i++)
		cn->info[i].name = ToUpper(cn->info[i].name);

	session.SetStatus(SqlSession::AFTER_EXECUTING);
DDUMP(b);
DDUMP(session.throwonerror);
	if(!b && session.throwonerror)
		throw SqlExc(GetSession());
	return b;
}