Method testAndFixupError

src/dsql/StmtNodes.cpp:711–774

Test for match of current state with list of error conditions. Fix type and code of the exception.

// Test for match of current state with list of error conditions. Fix type and code of the exception.
bool BlockNode::testAndFixupError(thread_db* tdbb, Request* request, const ExceptionArray& conditions)
{
	if (tdbb->tdbb_flags & TDBB_sys_error)
		return false;

	Jrd::FbStatusVector* statusVector = tdbb->tdbb_status_vector;

	bool found = false;

	for (USHORT i = 0; i < conditions.getCount(); i++)
	{
		switch (conditions[i].type)
		{
			case ExceptionItem::SQL_CODE:
				{
					const SSHORT sqlcode = gds__sqlcode(statusVector->getErrors());
					if (sqlcode == conditions[i].code)
						found = true;
				}
				break;

			case ExceptionItem::SQL_STATE:
				{
					FB_SQLSTATE_STRING sqlstate;
					fb_sqlstate(sqlstate, statusVector->getErrors());
					if (conditions[i].name == sqlstate)
						found = true;
				}
				break;

			case ExceptionItem::GDS_CODE:
				if (statusVector->getErrors()[1] == conditions[i].code)
					found = true;
				break;

			case ExceptionItem::XCP_CODE:
				// Look at set_error() routine to understand how the
				// exception ID info is encoded inside the status vector.
				if ((statusVector->getErrors()[1] == isc_except) &&
					(statusVector->getErrors()[3] == conditions[i].code))
				{
					found = true;
				}

				break;

			case ExceptionItem::XCP_DEFAULT:
				found = true;
				break;

			default:
				fb_assert(false);
		}

		if (found)
		{
			request->req_last_xcp.init(statusVector);
			fb_utils::init_status(statusVector);