Method pass2

src/dsql/StmtNodes.cpp:363–418

}

AssignmentNode* AssignmentNode::pass2(thread_db* tdbb, CompilerScratch* csb)
{
	bool pushedRse = false;

	// Deal with invariants of assignment targets of FOR, SELECT and UPDATE - CORE-5871.
	//
	// blr_for
	//   ...
	//   blr_begin
	//     blr_assignment
	//     blr_assignment
	//     blr_begin
	//
	// blr_for
	//   ...
	//   blr_send
	//     blr_begin
	//       blr_assignment
	//       blr_assignment
	//
	// blr_for
	//   ...
	//   blr_modify
	//     blr_begin
	//       blr_assignment
	//       blr_assignment
	if (csb->csb_current_for_nodes.hasData() && nodeIs<CompoundStmtNode>(parentStmt))
	{
		ForNode* forNode = csb->csb_current_for_nodes.back();

		if (parentStmt->parentStmt == forNode ||
			(nodeIs<SuspendNode>(parentStmt->parentStmt) && parentStmt->parentStmt->parentStmt == forNode) ||
			(nodeIs<ModifyNode>(parentStmt->parentStmt) && parentStmt->parentStmt->parentStmt == forNode))
		{
			pushedRse = true;
			csb->csb_current_nodes.push(forNode->rse.getObject());
		}
	}

	{ // scope
		dsc desc;
		asgnTo->getDesc(tdbb, csb, &desc);
		AutoSetRestore<dsc*> dataType(&csb->csb_preferredDesc, &desc);
		ExprNode::doPass2(tdbb, csb, asgnFrom.getAddress());
	}
	ExprNode::doPass2(tdbb, csb, asgnTo.getAddress());
	ExprNode::doPass2(tdbb, csb, missing.getAddress());
	ExprNode::doPass2(tdbb, csb, missing2.getAddress());

	if (pushedRse)
		csb->csb_current_nodes.pop();

	validateTarget(csb, asgnTo);

	return this;
}

const StmtNode* AssignmentNode::execute(thread_db* tdbb, Request* request, ExeState* /*exeState*/) const