George Hartzell writes:
 > [...]
 > Holy Mackerel:
 > 
 >   my $rs = $s->resultset('...')->search({
 >                                           'node_count(me.id)' => 2,
 >                                           'control_count(me.id)' => 1,
 >                                           'attrs.name' => 'NodeType',
 >                                           'attrs.value' => 'Protein',
 >                                           'attrs_2.name' => 'Organism',
 >                                           'attrs_2.value' => 'Homo sapiens',
 >                                           'attrs_3.name' => 'NodeType',
 >                                           'attrs_3.value' => 'Protein',
 >                                           'attrs_4.name' => 'Organism',
 >                                           'attrs_4.value' => 'Homo sapiens',
 >                                           'rncbts.value' => 'Protein',
 >                                           'rncbts.count' => 2,
 >                                          },
 >                                          {
 >                                           join => [{nodes =>
 >                                                     ['attrs', 'attrs']},
 >                                                    {nodes =>
 >                                                     ['attrs', 'attrs']},
 >                                                    'rncbts',
 >                                                   ]
 >                                          },
 >                                         );
 > 
 > 
 > which says that attrs and attrs_2 belong_to one node, and attrs_3 and
 > attrs_4 belong to the other.
 > 
 > wow.  yeesh.
 > [...]

As it stands above, it finds <rn>'s that have two nodes, but it
happily just uses one of them to meet the constraints on attrs/attrs_1
then uses the same node to satisfy the constraints on attrs_3/attrs_4.

I need nodes and nodes_2 to be different. e.g. my hand coded sql said
something like nodes.id != nodes_2.id.

I'm not sure where to express that conststraint.

Thanks,

g.




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