Fix for breadth_first originating vertices returning no result.

mysql-test/suite/oqgraph/basic.test

@@ -226,6 +226,8 @@ SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 4;
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 5;
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 6;
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 7;
+#-- FIXME This is returning one result set, suspect this is a bug...?
+#-- https://bugs.launchpad.net/oqgraph/+bug/1196020
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 8;
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 9;
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 10;
@@ -354,15 +356,66 @@ SELECT * FROM graph WHERE latch = '2' AND origid = 10 AND (weight = 1 or weight
 SELECT * FROM graph WHERE latch = '2' AND origid = 11 AND (weight = 1 or weight = 2);
 SELECT * FROM graph WHERE latch = '2' AND origid = 12 AND (weight = 1 or weight = 2);
 
+SELECT * FROM graph WHERE latch = '2' AND destid = 1;
+SELECT * FROM graph WHERE latch = '2' AND destid = 2;
+SELECT * FROM graph WHERE latch = '2' AND destid = 3;
+SELECT * FROM graph WHERE latch = '2' AND destid = 4;
+SELECT * FROM graph WHERE latch = '2' AND destid = 5;
+SELECT * FROM graph WHERE latch = '2' AND destid = 6;
+SELECT * FROM graph WHERE latch = '2' AND destid = 7;
+#-- FIXME This is returning one result set, suspect this is a bug...?
+#-- https://bugs.launchpad.net/oqgraph/+bug/1196020
+SELECT * FROM graph WHERE latch = '2' AND destid = 8;
+SELECT * FROM graph WHERE latch = '2' AND destid = 9;
+SELECT * FROM graph WHERE latch = '2' AND destid = 10;
+SELECT * FROM graph WHERE latch = '2' AND destid = 11;
+SELECT * FROM graph WHERE latch = '2' AND destid = 12;
+SELECT * FROM graph WHERE latch = '2' AND destid = 1 and weight = 1;
+SELECT * FROM graph WHERE latch = '2' AND destid = 2 and weight = 1;
+SELECT * FROM graph WHERE latch = '2' AND destid = 3 and weight = 1;
+SELECT * FROM graph WHERE latch = '2' AND destid = 4 and weight = 1;
+SELECT * FROM graph WHERE latch = '2' AND destid = 5 and weight = 1;
+SELECT * FROM graph WHERE latch = '2' AND destid = 6 and weight = 1;
+SELECT * FROM graph WHERE latch = '2' AND destid = 7 and weight = 1;
+SELECT * FROM graph WHERE latch = '2' AND destid = 8 and weight = 1;
+SELECT * FROM graph WHERE latch = '2' AND destid = 9 and weight = 1;
+SELECT * FROM graph WHERE latch = '2' AND destid = 10 and weight = 1;
+SELECT * FROM graph WHERE latch = '2' AND destid = 11 and weight = 1;
+SELECT * FROM graph WHERE latch = '2' AND destid = 12 and weight = 1;
+SELECT * FROM graph WHERE latch = '2' AND destid = 1 and weight = 2;
+SELECT * FROM graph WHERE latch = '2' AND destid = 2 and weight = 2;
+SELECT * FROM graph WHERE latch = '2' AND destid = 3 and weight = 2;
+SELECT * FROM graph WHERE latch = '2' AND destid = 4 and weight = 2;
+SELECT * FROM graph WHERE latch = '2' AND destid = 5 and weight = 2;
+SELECT * FROM graph WHERE latch = '2' AND destid = 6 and weight = 2;
+SELECT * FROM graph WHERE latch = '2' AND destid = 7 and weight = 2;
+SELECT * FROM graph WHERE latch = '2' AND destid = 8 and weight = 2;
+SELECT * FROM graph WHERE latch = '2' AND destid = 9 and weight = 2;
+SELECT * FROM graph WHERE latch = '2' AND destid = 10 and weight = 2;
+SELECT * FROM graph WHERE latch = '2' AND destid = 11 and weight = 2;
+SELECT * FROM graph WHERE latch = '2' AND destid = 12 and weight = 2;
+SELECT * FROM graph WHERE latch = '2' AND destid = 1 and weight = 3;
+SELECT * FROM graph WHERE latch = '2' AND destid = 2 and weight = 3;
+SELECT * FROM graph WHERE latch = '2' AND destid = 3 and weight = 3;
+SELECT * FROM graph WHERE latch = '2' AND destid = 4 and weight = 3;
+SELECT * FROM graph WHERE latch = '2' AND destid = 5 and weight = 3;
+SELECT * FROM graph WHERE latch = '2' AND destid = 6 and weight = 3;
+SELECT * FROM graph WHERE latch = '2' AND destid = 7 and weight = 3;
+SELECT * FROM graph WHERE latch = '2' AND destid = 8 and weight = 3;
+SELECT * FROM graph WHERE latch = '2' AND destid = 9 and weight = 3;
+SELECT * FROM graph WHERE latch = '2' AND destid = 10 and weight = 3;
+SELECT * FROM graph WHERE latch = '2' AND destid = 11 and weight = 3;
+SELECT * FROM graph WHERE latch = '2' AND destid = 12 and weight = 3;
+
 #-- These return empty sets - origid must be specified and non null to get a result set
 SELECT * FROM graph WHERE latch = '2' AND origid = NULL;
-SELECT * FROM graph WHERE latch = '2' AND destid = 1;
+SELECT * FROM graph WHERE latch = '2' AND destid = NULL;
 SELECT * FROM graph WHERE latch = '2' AND weight = 1;
 SELECT * FROM graph WHERE latch = '2';
 
 
 --echo # Dijkstras algorithm tests
-#-- We ask 'What is the path (if any) between 'origid' and 'destid'
+#-- We ask 'What is the shortest path (if any) between 'origid' and 'destid'
 #-- This returns the number of directed hops +1 (for the starting node)
 #-- 'weight' is NULL for the starting point, or 1
 #-- 'linkid' is the way point id
@@ -396,6 +449,41 @@ SELECT * FROM graph WHERE latch='dijkstras' AND origid=11 AND destid=12;
 SELECT * FROM graph WHERE latch='dijkstras' AND origid=12 AND destid=10;
 SELECT * FROM graph WHERE latch='dijkstras' AND origid=12 AND destid=11;
 
+#-- reachable vertices
+SELECT * FROM graph WHERE latch='dijkstras' AND origid=1;
+SELECT * FROM graph WHERE latch='dijkstras' AND origid=2;
+SELECT * FROM graph WHERE latch='dijkstras' AND origid=3;
+SELECT * FROM graph WHERE latch='dijkstras' AND origid=4;
+SELECT * FROM graph WHERE latch='dijkstras' AND origid=5;
+SELECT * FROM graph WHERE latch='dijkstras' AND origid=6;
+SELECT * FROM graph WHERE latch='dijkstras' AND origid=7;
+#-- FIXME This is returning one result set, suspect this is a bug...?
+#-- https://bugs.launchpad.net/oqgraph/+bug/1196020
+SELECT * FROM graph WHERE latch='dijkstras' AND origid=8;
+SELECT * FROM graph WHERE latch='dijkstras' AND origid=9;
+SELECT * FROM graph WHERE latch='dijkstras' AND origid=10;
+SELECT * FROM graph WHERE latch='dijkstras' AND origid=11;
+SELECT * FROM graph WHERE latch='dijkstras' AND origid=12;
+#-- FIXME This is returning one result set, suspect this is a bug...?
+#-- https://bugs.launchpad.net/oqgraph/+bug/1196020
+SELECT * FROM graph WHERE latch='dijkstras' AND origid=666;
+
+#-- originating vertices
+SELECT * FROM graph WHERE latch='dijkstras' AND destid=1;
+SELECT * FROM graph WHERE latch='dijkstras' AND destid=2;
+SELECT * FROM graph WHERE latch='dijkstras' AND destid=3;
+SELECT * FROM graph WHERE latch='dijkstras' AND destid=4;
+SELECT * FROM graph WHERE latch='dijkstras' AND destid=5;
+SELECT * FROM graph WHERE latch='dijkstras' AND destid=6;
+SELECT * FROM graph WHERE latch='dijkstras' AND destid=7;
+#-- FIXME This is returning one result set, suspect this is a bug...?
+#-- https://bugs.launchpad.net/oqgraph/+bug/1196020
+SELECT * FROM graph WHERE latch='dijkstras' AND destid=8;
+SELECT * FROM graph WHERE latch='dijkstras' AND destid=9;
+SELECT * FROM graph WHERE latch='dijkstras' AND destid=10;
+SELECT * FROM graph WHERE latch='dijkstras' AND destid=11;
+SELECT * FROM graph WHERE latch='dijkstras' AND destid=12;
+
 --echo # legacy string number
 SELECT * FROM graph WHERE latch='1' AND origid=1 AND destid=1;
 SELECT * FROM graph WHERE latch='1' AND origid=1 AND destid=2;

storage/oqgraph/graphcore.cc

@@ -856,10 +856,10 @@ namespace open_query
           }
         }
         break;
-#if 0
-
       case BREADTH_FIRST | HAVE_DEST:
+#ifdef FIXME
       case DIJKSTRAS | HAVE_DEST:
+#endif      
         if ((cursor= new (std::nothrow) stack_cursor(share)) && (orig || dest))
         {
           boost::unordered_map<Vertex, Vertex> p;
@@ -870,6 +870,7 @@ namespace open_query
           d[ *dest ] = EdgeWeight();
           switch (ALGORITHM & op)
           {
+#ifdef FIXME
           case DIJKSTRAS:
             dijkstra_shortest_paths_no_init(share->g, *dest,
                 make_lazy_property_map(p, identity_initializer<Vertex>()),
@@ -891,6 +892,7 @@ namespace open_query
                 ),
                 make_two_bit_judy_map(get(vertex_index, share->g)));
             break;
+#endif
           case BREADTH_FIRST:
             breadth_first_visit(share->g, *dest, Q,
                 make_bfs_visitor(
@@ -918,7 +920,6 @@ namespace open_query
           }
         }
         break;
-#endif
       default:
         break;
       }