Method isAvailable

src/jrd/extds/IscDS.cpp:302–313

this ISC connection instance is available for the current execution context if it a) has no active statements or supports many active statements and b) has no active transactions or has active transaction of given TraScope bound to current jrd transaction or supports many active transactions

//	  TraScope bound to current jrd transaction or supports many active
//    transactions
bool IscConnection::isAvailable(thread_db* tdbb, TraScope traScope) const
{
	if (m_used_stmts && !testFeature(fb_feature_multi_statements))
		return false;

	if (m_transactions.getCount() && !testFeature(fb_feature_multi_transactions) && !findTransaction(tdbb, traScope))
	{
		return false;
	}

	return true;
}

bool IscConnection::validate(Jrd::thread_db* tdbb)
{