Method parse

src/jrd/RecordSourceNodes.cpp:614–651

Parse a local table reference.

// Parse a local table reference.
LocalTableSourceNode* LocalTableSourceNode::parse(thread_db* tdbb, CompilerScratch* csb,
	const SSHORT blrOp, bool parseContext)
{
	const USHORT tableNumber = csb->csb_blr_reader.getWord();

	if (tableNumber >= csb->csb_localTables.getCount())
		PAR_error(csb, Arg::Gds(isc_bad_loctab_num) << Arg::Num(tableNumber));

	// Make a relation reference node

	const auto node = FB_NEW_POOL(*tdbb->getDefaultPool()) LocalTableSourceNode(
		*tdbb->getDefaultPool());

	node->tableNumber = tableNumber;

	AutoPtr<string> aliasString(FB_NEW_POOL(csb->csb_pool) string(csb->csb_pool));
	csb->csb_blr_reader.getString(*aliasString);

	if (aliasString->hasData())
		node->alias = *aliasString;
	else
		aliasString.reset();

	// generate a stream for the relation reference, assuming it is a real reference

	if (parseContext)
	{
		node->stream = PAR_context(csb, &node->context);

		if (tableNumber >= csb->csb_localTables.getCount() || !csb->csb_localTables[tableNumber])
			PAR_error(csb, Arg::Gds(isc_bad_loctab_num) << Arg::Num(tableNumber));

		csb->csb_rpt[node->stream].csb_format = csb->csb_localTables[tableNumber]->format;
		csb->csb_rpt[node->stream].csb_alias = aliasString.release();
	}

	return node;
}

string LocalTableSourceNode::internalPrint(NodePrinter& printer) const
{