-- to be executed for 1 time only!

drop temporary table if exists linklist;

create temporary table linklist(
    srcNodeId int unsigned not null,
    dstNodeId int unsigned not null,
    primary key(srcNodeId, dstNodeId)
) engine=MEMORY
select 
    link.srcNodeId,
    link.dstNodeId
from nodeLinkT link
join allowedNodeLinkByNodeV anln on link.srcNodeId = anln.srcNodeId and link.dstNodeId = anln.dstNodeId
where link.metric > 1
    and anln.singleSrc = 'y';
    
/*
select 
    n1.*, 
    n2.*
from linklist ll
join nodeT n1 on ll.srcNodeId = n1.id
join nodeT n2 on ll.dstNodeId = n2.id;
*/
    
set @1 = nodeLink_UpdateStart();

select __nodeLink_Create(null, srcNodeId, dstNodeId)
from linklist;

set @2 = nodeLink_UpdateEnd();

drop temporary table linklist;