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Add "leaves" algorithm to oqgraph.
This algorithm returns all reachable leaf nodes from a given origin, or all root nodes that can reach a given destination.
This commit is contained in:
Heinz Wiesinger
Vicențiu-Marian Ciorbaru
parent
5868a184fa
commit
a34b976d8e
7 changed files with 668 additions and 0 deletions
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@ -329,6 +329,40 @@ namespace open_query {
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}
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};
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template <typename P, typename D>
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struct GRAPHCORE_INTERNAL oqgraph_visit_leaves
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: public base_visitor< oqgraph_visit_leaves<P,D> >
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{
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typedef on_finish_vertex event_filter;
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oqgraph_visit_leaves(const P& p, const D& d,
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stack_cursor *cursor)
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: seq(0), m_cursor(*cursor), m_p(p), m_d(d)
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{ assert(cursor); }
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template<class T, class Graph>
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void operator()(T u, Graph &g)
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{
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typename graph_traits<Graph>::out_edge_iterator ei, ei_end;
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boost::tuples::tie(ei, ei_end) = out_edges(u, g);
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if (ei == ei_end)
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{
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m_cursor.results.push(reference(++seq, u, m_d[ u ]));
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}
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}
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private:
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int seq;
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stack_cursor &m_cursor;
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P m_p;
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D m_d;
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};
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template <typename P, typename D>
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oqgraph_visit_leaves<P,D>
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make_oqgraph_visit_leaves(const P& p, const D& d, stack_cursor *cursor)
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{ return oqgraph_visit_leaves<P,D>(p, d, cursor); }
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template <typename P, typename D>
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struct GRAPHCORE_INTERNAL oqgraph_visit_dist
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: public base_visitor< oqgraph_visit_dist<P,D> >
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@ -829,6 +863,7 @@ namespace open_query
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case DIJKSTRAS | HAVE_ORIG:
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case BREADTH_FIRST | HAVE_ORIG:
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case LEAVES | HAVE_ORIG:
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if ((cursor= new (std::nothrow) stack_cursor(share)) && (orig || dest))
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{
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boost::unordered_map<Vertex, Vertex> p;
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@ -879,6 +914,28 @@ namespace open_query
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),
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make_two_bit_judy_map(get(vertex_index, share->g)));
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break;
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case LEAVES:
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breadth_first_visit(share->g, *orig, Q,
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make_bfs_visitor(
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std::make_pair(
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record_predecessors(
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boost::make_assoc_property_map(p),
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on_tree_edge()
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),
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std::make_pair(
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record_distances(
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boost::make_assoc_property_map(d),
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on_tree_edge()
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),
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make_oqgraph_visit_leaves(
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boost::make_assoc_property_map(p),
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boost::make_assoc_property_map(d),
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static_cast<stack_cursor*>(cursor)
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)
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))
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),
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make_two_bit_judy_map(get(vertex_index, share->g)));
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break;
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default:
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abort();
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}
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@ -886,6 +943,7 @@ namespace open_query
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break;
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case BREADTH_FIRST | HAVE_DEST:
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case DIJKSTRAS | HAVE_DEST:
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case LEAVES | HAVE_DEST:
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if ((cursor= new (std::nothrow) stack_cursor(share)) && (orig || dest))
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{
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boost::unordered_map<Vertex, Vertex> p;
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@ -937,6 +995,28 @@ namespace open_query
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),
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make_two_bit_judy_map(get(vertex_index, r)));
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break;
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case LEAVES:
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breadth_first_visit(r, *dest, Q,
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make_bfs_visitor(
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std::make_pair(
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record_predecessors(
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boost::make_assoc_property_map(p),
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on_tree_edge()
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),
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std::make_pair(
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record_distances(
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boost::make_assoc_property_map(d),
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on_tree_edge()
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),
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make_oqgraph_visit_leaves(
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boost::make_assoc_property_map(p),
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boost::make_assoc_property_map(d),
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static_cast<stack_cursor*>(cursor)
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)
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))
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),
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make_two_bit_judy_map(get(vertex_index, r)));
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break;
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default:
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abort();
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}
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@ -70,6 +70,7 @@ namespace open_query
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DIJKSTRAS = 1,
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BREADTH_FIRST = 2,
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NUM_SEARCH_OP = 3,
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LEAVES = 4,
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ALGORITHM = 0x0ffff,
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HAVE_ORIG = 0x10000,
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@ -87,6 +87,7 @@ static const oqgraph_latch_op_table latch_ops_table[] = {
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{ "", oqgraph::NO_SEARCH } , // suggested by Arjen, use empty string instead of no_search
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{ "dijkstras", oqgraph::DIJKSTRAS } ,
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{ "breadth_first", oqgraph::BREADTH_FIRST } ,
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{ "leaves", oqgraph::LEAVES },
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{ NULL, -1 }
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};
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@ -195,6 +195,170 @@ from to
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SELECT linkid as `from`, destid as `to` FROM graph where latch='0' and destid = 10;
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from to
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12 10
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# Leaves search tests
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 1;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 2;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 3;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 4;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 5;
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latch origid destid weight seq linkid
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leaves 5 NULL 1 1 7
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 6;
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latch origid destid weight seq linkid
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leaves 6 NULL 2 1 7
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 7;
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latch origid destid weight seq linkid
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leaves 7 NULL 0 1 7
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 8;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 9;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 10;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 11;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 12;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 1;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 2;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 3;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 4;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 5;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 6;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 7;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 8;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 9;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 10;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 11;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 12;
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latch origid destid weight seq linkid
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INSERT INTO graph_base(from_id, to_id) VALUES (10,13);
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INSERT INTO graph_base(from_id, to_id) VALUES (11,14);
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INSERT INTO graph_base(from_id, to_id) VALUES (12,15);
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 10;
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latch origid destid weight seq linkid
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leaves 10 NULL 3 3 15
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leaves 10 NULL 2 2 14
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leaves 10 NULL 1 1 13
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 11;
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latch origid destid weight seq linkid
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leaves 11 NULL 3 3 13
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leaves 11 NULL 2 2 15
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leaves 11 NULL 1 1 14
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 12;
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latch origid destid weight seq linkid
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leaves 12 NULL 3 3 14
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leaves 12 NULL 2 2 13
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leaves 12 NULL 1 1 15
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 13;
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latch origid destid weight seq linkid
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leaves 13 NULL 0 1 13
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 14;
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latch origid destid weight seq linkid
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leaves 14 NULL 0 1 14
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 15;
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latch origid destid weight seq linkid
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leaves 15 NULL 0 1 15
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 10;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 11;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 12;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 13;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 14;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 15;
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latch origid destid weight seq linkid
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DELETE FROM graph_base where from_id=10 and to_id=13;
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DELETE FROM graph_base where from_id=11 and to_id=14;
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DELETE FROM graph_base where from_id=12 and to_id=15;
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INSERT INTO graph_base(from_id, to_id) VALUES (13,10);
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INSERT INTO graph_base(from_id, to_id) VALUES (14,11);
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INSERT INTO graph_base(from_id, to_id) VALUES (15,12);
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INSERT INTO graph_base(from_id, to_id) VALUES (16,1);
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 10;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 11;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 12;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 13;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 14;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 15;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 16;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 10;
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latch origid destid weight seq linkid
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leaves NULL 10 3 3 14
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leaves NULL 10 2 2 15
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leaves NULL 10 1 1 13
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 11;
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latch origid destid weight seq linkid
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leaves NULL 11 3 3 15
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leaves NULL 11 2 2 13
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leaves NULL 11 1 1 14
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 12;
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latch origid destid weight seq linkid
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leaves NULL 12 3 3 13
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leaves NULL 12 2 2 14
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leaves NULL 12 1 1 15
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 13;
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latch origid destid weight seq linkid
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leaves NULL 13 0 1 13
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 14;
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latch origid destid weight seq linkid
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leaves NULL 14 0 1 14
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 15;
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latch origid destid weight seq linkid
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leaves NULL 15 0 1 15
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 1;
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latch origid destid weight seq linkid
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leaves NULL 1 1 1 16
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 2;
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latch origid destid weight seq linkid
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leaves NULL 2 2 1 16
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 3;
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latch origid destid weight seq linkid
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leaves NULL 3 2 1 16
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 4;
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latch origid destid weight seq linkid
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leaves NULL 4 3 1 16
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DELETE FROM graph_base where from_id=13 and to_id=10;
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DELETE FROM graph_base where from_id=14 and to_id=11;
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DELETE FROM graph_base where from_id=15 and to_id=12;
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DELETE FROM graph_base where from_id=16 and to_id=1;
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SELECT * FROM graph WHERE latch='leaves' AND origid=1 AND destid=2;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch='leaves' AND origid=1 AND destid=3;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch='leaves' AND origid=1 AND destid=4;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch='leaves' AND origid=6 AND destid=7;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch='leaves' AND origid=10 AND destid=11;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch='leaves' AND origid=10 AND destid=12;
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latch origid destid weight seq linkid
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# Breadth-first search tests
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SELECT * FROM graph WHERE latch = 'breadth_first' AND origid = 1;
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latch origid destid weight seq linkid
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@ -195,6 +195,170 @@ from to
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SELECT linkid as `from`, destid as `to` FROM graph where latch='0' and destid = 10;
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from to
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12 10
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# Leaves search tests
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 1;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 2;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 3;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 4;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 5;
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latch origid destid weight seq linkid
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leaves 5 NULL 1 1 7
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 6;
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latch origid destid weight seq linkid
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leaves 6 NULL 2 1 7
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 7;
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latch origid destid weight seq linkid
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leaves 7 NULL 0 1 7
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 8;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 9;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 10;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 11;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 12;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 1;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 2;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 3;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 4;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 5;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 6;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 7;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 8;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 9;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 10;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 11;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 12;
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latch origid destid weight seq linkid
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INSERT INTO graph_base(from_id, to_id) VALUES (10,13);
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INSERT INTO graph_base(from_id, to_id) VALUES (11,14);
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INSERT INTO graph_base(from_id, to_id) VALUES (12,15);
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 10;
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latch origid destid weight seq linkid
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leaves 10 NULL 3 3 15
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leaves 10 NULL 2 2 14
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leaves 10 NULL 1 1 13
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 11;
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latch origid destid weight seq linkid
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leaves 11 NULL 3 3 13
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leaves 11 NULL 2 2 15
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leaves 11 NULL 1 1 14
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 12;
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latch origid destid weight seq linkid
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leaves 12 NULL 3 3 14
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leaves 12 NULL 2 2 13
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leaves 12 NULL 1 1 15
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 13;
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latch origid destid weight seq linkid
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leaves 13 NULL 0 1 13
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 14;
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latch origid destid weight seq linkid
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leaves 14 NULL 0 1 14
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SELECT * FROM graph WHERE latch = 'leaves' AND origid = 15;
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latch origid destid weight seq linkid
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leaves 15 NULL 0 1 15
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 10;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 11;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 12;
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latch origid destid weight seq linkid
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SELECT * FROM graph WHERE latch = 'leaves' AND destid = 13;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 14;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 15;
|
||||
latch origid destid weight seq linkid
|
||||
DELETE FROM graph_base where from_id=10 and to_id=13;
|
||||
DELETE FROM graph_base where from_id=11 and to_id=14;
|
||||
DELETE FROM graph_base where from_id=12 and to_id=15;
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (13,10);
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (14,11);
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (15,12);
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (16,1);
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 10;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 11;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 12;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 13;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 14;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 15;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 16;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 10;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 10 3 3 14
|
||||
leaves NULL 10 2 2 15
|
||||
leaves NULL 10 1 1 13
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 11;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 11 3 3 15
|
||||
leaves NULL 11 2 2 13
|
||||
leaves NULL 11 1 1 14
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 12;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 12 3 3 13
|
||||
leaves NULL 12 2 2 14
|
||||
leaves NULL 12 1 1 15
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 13;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 13 0 1 13
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 14;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 14 0 1 14
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 15;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 15 0 1 15
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 1;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 1 1 1 16
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 2;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 2 2 1 16
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 3;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 3 2 1 16
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 4;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 4 3 1 16
|
||||
DELETE FROM graph_base where from_id=13 and to_id=10;
|
||||
DELETE FROM graph_base where from_id=14 and to_id=11;
|
||||
DELETE FROM graph_base where from_id=15 and to_id=12;
|
||||
DELETE FROM graph_base where from_id=16 and to_id=1;
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=1 AND destid=2;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=1 AND destid=3;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=1 AND destid=4;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=6 AND destid=7;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=10 AND destid=11;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=10 AND destid=12;
|
||||
latch origid destid weight seq linkid
|
||||
# Breadth-first search tests
|
||||
SELECT * FROM graph WHERE latch = 'breadth_first' AND origid = 1;
|
||||
latch origid destid weight seq linkid
|
||||
|
|
|
|||
|
|
@ -195,6 +195,170 @@ from to
|
|||
SELECT linkid as `from`, destid as `to` FROM graph where latch='0' and destid = 10;
|
||||
from to
|
||||
12 10
|
||||
# Leaves search tests
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 1;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 2;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 3;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 4;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 5;
|
||||
latch origid destid weight seq linkid
|
||||
leaves 5 NULL 1 1 7
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 6;
|
||||
latch origid destid weight seq linkid
|
||||
leaves 6 NULL 2 1 7
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 7;
|
||||
latch origid destid weight seq linkid
|
||||
leaves 7 NULL 0 1 7
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 8;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 9;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 10;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 11;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 12;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 1;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 2;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 3;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 4;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 5;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 6;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 7;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 8;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 9;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 10;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 11;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 12;
|
||||
latch origid destid weight seq linkid
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (10,13);
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (11,14);
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (12,15);
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 10;
|
||||
latch origid destid weight seq linkid
|
||||
leaves 10 NULL 3 3 15
|
||||
leaves 10 NULL 2 2 14
|
||||
leaves 10 NULL 1 1 13
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 11;
|
||||
latch origid destid weight seq linkid
|
||||
leaves 11 NULL 3 3 13
|
||||
leaves 11 NULL 2 2 15
|
||||
leaves 11 NULL 1 1 14
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 12;
|
||||
latch origid destid weight seq linkid
|
||||
leaves 12 NULL 3 3 14
|
||||
leaves 12 NULL 2 2 13
|
||||
leaves 12 NULL 1 1 15
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 13;
|
||||
latch origid destid weight seq linkid
|
||||
leaves 13 NULL 0 1 13
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 14;
|
||||
latch origid destid weight seq linkid
|
||||
leaves 14 NULL 0 1 14
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 15;
|
||||
latch origid destid weight seq linkid
|
||||
leaves 15 NULL 0 1 15
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 10;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 11;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 12;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 13;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 14;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 15;
|
||||
latch origid destid weight seq linkid
|
||||
DELETE FROM graph_base where from_id=10 and to_id=13;
|
||||
DELETE FROM graph_base where from_id=11 and to_id=14;
|
||||
DELETE FROM graph_base where from_id=12 and to_id=15;
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (13,10);
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (14,11);
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (15,12);
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (16,1);
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 10;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 11;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 12;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 13;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 14;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 15;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 16;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 10;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 10 3 3 14
|
||||
leaves NULL 10 2 2 15
|
||||
leaves NULL 10 1 1 13
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 11;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 11 3 3 15
|
||||
leaves NULL 11 2 2 13
|
||||
leaves NULL 11 1 1 14
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 12;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 12 3 3 13
|
||||
leaves NULL 12 2 2 14
|
||||
leaves NULL 12 1 1 15
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 13;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 13 0 1 13
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 14;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 14 0 1 14
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 15;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 15 0 1 15
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 1;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 1 1 1 16
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 2;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 2 2 1 16
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 3;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 3 2 1 16
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 4;
|
||||
latch origid destid weight seq linkid
|
||||
leaves NULL 4 3 1 16
|
||||
DELETE FROM graph_base where from_id=13 and to_id=10;
|
||||
DELETE FROM graph_base where from_id=14 and to_id=11;
|
||||
DELETE FROM graph_base where from_id=15 and to_id=12;
|
||||
DELETE FROM graph_base where from_id=16 and to_id=1;
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=1 AND destid=2;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=1 AND destid=3;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=1 AND destid=4;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=6 AND destid=7;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=10 AND destid=11;
|
||||
latch origid destid weight seq linkid
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=10 AND destid=12;
|
||||
latch origid destid weight seq linkid
|
||||
# Breadth-first search tests
|
||||
SELECT * FROM graph WHERE latch = 'breadth_first' AND origid = 1;
|
||||
latch origid destid weight seq linkid
|
||||
|
|
|
|||
|
|
@ -120,6 +120,100 @@ SELECT linkid as `from`, destid as `to` FROM graph where latch='0' and destid =
|
|||
SELECT linkid as `from`, destid as `to` FROM graph where latch='0' and destid = 9;
|
||||
SELECT linkid as `from`, destid as `to` FROM graph where latch='0' and destid = 10;
|
||||
|
||||
--echo # Leaves search tests
|
||||
#-- We are asking "Are there nodes reachable from origid, from which no other nodes can be reached"
|
||||
#-- We return a row for each leaf node that is reachable, with its id in 'linkid'
|
||||
#-- and the weight calculated as "How many _directed_ hops to get there"
|
||||
#-- If there is no path from origid to another node then there is no row for that linkid
|
||||
#-- 'seq' is the counted distance of the search, thus, the loop link will always have seq 1
|
||||
#-- if there are two reachable neighbours, they will have seq 2,3 and so on
|
||||
#-- linkid is the other end
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 1;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 2;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 3;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 4;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 5;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 6;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 7;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 8;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 9;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 10;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 11;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 12;
|
||||
|
||||
#-- now do it in reverse - using destid find originating vertices
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 1;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 2;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 3;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 4;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 5;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 6;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 7;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 8;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 9;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 10;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 11;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 12;
|
||||
|
||||
# Add more leaf nodes
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (10,13);
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (11,14);
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (12,15);
|
||||
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 10;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 11;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 12;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 13;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 14;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 15;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 10;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 11;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 12;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 13;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 14;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 15;
|
||||
|
||||
DELETE FROM graph_base where from_id=10 and to_id=13;
|
||||
DELETE FROM graph_base where from_id=11 and to_id=14;
|
||||
DELETE FROM graph_base where from_id=12 and to_id=15;
|
||||
|
||||
# Add some root nodes
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (13,10);
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (14,11);
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (15,12);
|
||||
INSERT INTO graph_base(from_id, to_id) VALUES (16,1);
|
||||
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 10;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 11;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 12;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 13;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 14;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 15;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND origid = 16;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 10;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 11;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 12;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 13;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 14;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 15;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 1;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 2;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 3;
|
||||
SELECT * FROM graph WHERE latch = 'leaves' AND destid = 4;
|
||||
|
||||
DELETE FROM graph_base where from_id=13 and to_id=10;
|
||||
DELETE FROM graph_base where from_id=14 and to_id=11;
|
||||
DELETE FROM graph_base where from_id=15 and to_id=12;
|
||||
DELETE FROM graph_base where from_id=16 and to_id=1;
|
||||
|
||||
# path queries yield no result with "leaves"
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=1 AND destid=2;
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=1 AND destid=3;
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=1 AND destid=4;
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=6 AND destid=7;
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=10 AND destid=11;
|
||||
SELECT * FROM graph WHERE latch='leaves' AND origid=10 AND destid=12;
|
||||
|
||||
--echo # Breadth-first search tests
|
||||
#-- We are asking "Is there a path from node 'origid' to (all) other nodes?"
|
||||
#-- We return a row for each other node that is reachable, with its id in 'linkid'
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue