Method dsqlPass

src/jrd/RecordSourceNodes.cpp:365–412

PlanNode* PlanNode::dsqlPass(DsqlCompilerScratch* dsqlScratch)
{
	MemoryPool& pool = dsqlScratch->getPool();

	PlanNode* node = FB_NEW_POOL(pool) PlanNode(pool, type);

	if (accessType)
	{
		node->accessType = FB_NEW_POOL(pool) AccessType(pool, accessType->type);
		node->accessType->items = accessType->items;
	}

	node->recordSourceNode = recordSourceNode;

	for (NestConst<PlanNode>* i = subNodes.begin(); i != subNodes.end(); ++i)
		node->subNodes.add((*i)->dsqlPass(dsqlScratch));

	if (dsqlNames)
	{
		node->dsqlNames = FB_NEW_POOL(pool) ObjectsArray<MetaName>(pool);
		*node->dsqlNames = *dsqlNames;

		dsql_ctx* context = dsqlPassAliasList(dsqlScratch);

		if (context->ctx_relation)
		{
			RelationSourceNode* relNode = FB_NEW_POOL(pool) RelationSourceNode(pool);
			relNode->dsqlContext = context;
			node->recordSourceNode = relNode;
		}
		else if (context->ctx_procedure)
		{
			ProcedureSourceNode* procNode = FB_NEW_POOL(pool) ProcedureSourceNode(pool);
			procNode->dsqlContext = context;
			node->recordSourceNode = procNode;
		}
		//// TODO: LocalTableSourceNode

		// ASF: I think it's a error to let node->recordSourceNode be NULL here, but it happens
		// at least since v2.5. See gen.cpp/gen_plan for more information.
		///fb_assert(node->recordSourceNode);
	}

	if (node->recordSourceNode)
		node->recordSourceNode->dsqlFlags |= RecordSourceNode::DFLAG_PLAN_ITEM;

	return node;
}

// The passed alias list fully specifies a relation. The first alias represents a relation
// specified in the from list at this scope levels. Subsequent contexts, if there are any,