MDEV-10980: Fix reverse queries in OQGRAPH.

storage/oqgraph/graphcore.cc

@@ -897,12 +897,12 @@ namespace open_query
           switch (ALGORITHM & op)
           {
           case DIJKSTRAS:
-            dijkstra_shortest_paths_no_init(share->g, *dest,
+            dijkstra_shortest_paths_no_init(r, *dest,
                 make_lazy_property_map(p, identity_initializer<Vertex>()),
                 make_lazy_property_map(d, value_initializer<EdgeWeight>(
                     (std::numeric_limits<EdgeWeight>::max)())),
-                get(edge_weight, share->g),
-                get(vertex_index, share->g),
+                get(edge_weight, r),
+                get(vertex_index, r),
                 std::less<EdgeWeight>(),
                 closed_plus<EdgeWeight>(),
                 EdgeWeight(),
@@ -913,10 +913,10 @@ namespace open_query
                             static_cast<stack_cursor*>(cursor)
                         )
                 ),
-                make_two_bit_judy_map(get(vertex_index, share->g)));
+                make_two_bit_judy_map(get(vertex_index, r)));
             break;
           case BREADTH_FIRST:
-            breadth_first_visit(share->g, *dest, Q,
+            breadth_first_visit(r, *dest, Q,
                 make_bfs_visitor(
                     std::make_pair(
                         record_predecessors(
@@ -935,7 +935,7 @@ namespace open_query
                         )
                     ))
                 ),
-                make_two_bit_judy_map(get(vertex_index, share->g)));
+                make_two_bit_judy_map(get(vertex_index, r)));
             break;
           default:
             abort();

storage/oqgraph/mysql-test/oqgraph/regression_1196036.result

@@ -41,19 +41,19 @@ dijkstras	3	NULL	256	2	2
 dijkstras	3	NULL	0	1	3
 SELECT * FROM graph WHERE latch = 'dijkstras' AND destid = 1;
 latch	origid	destid	weight	seq	linkid
-dijkstras	NULL	1	784	4	4
+dijkstras	NULL	1	65808	4	4
 dijkstras	NULL	1	272	3	3
 dijkstras	NULL	1	16	2	2
 dijkstras	NULL	1	0	1	1
 SELECT * FROM graph WHERE latch = 'dijkstras' AND destid = 2;
 latch	origid	destid	weight	seq	linkid
-dijkstras	NULL	2	768	4	4
+dijkstras	NULL	2	65792	4	4
 dijkstras	NULL	2	256	3	3
 dijkstras	NULL	2	16	2	1
 dijkstras	NULL	2	0	1	2
 SELECT * FROM graph WHERE latch = 'dijkstras' AND destid = 3;
 latch	origid	destid	weight	seq	linkid
-dijkstras	NULL	3	1024	4	4
+dijkstras	NULL	3	65536	4	4
 dijkstras	NULL	3	272	3	1
 dijkstras	NULL	3	256	2	2
 dijkstras	NULL	3	0	1	3

storage/oqgraph/mysql-test/oqgraph/regression_1213120.result

@@ -464,16 +464,16 @@ breadth_first	NULL	4	1	2	3
 breadth_first	NULL	4	0	1	4
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 5;
 latch	origid	destid	weight	seq	linkid
-breadth_first	NULL	5	1	3	7
 breadth_first	NULL	5	1	2	6
 breadth_first	NULL	5	0	1	5
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 6;
 latch	origid	destid	weight	seq	linkid
-breadth_first	NULL	6	2	3	7
 breadth_first	NULL	6	1	2	5
 breadth_first	NULL	6	0	1	6
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 7;
 latch	origid	destid	weight	seq	linkid
+breadth_first	NULL	7	2	3	6
+breadth_first	NULL	7	1	2	5
 breadth_first	NULL	7	0	1	7
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 8;
 latch	origid	destid	weight	seq	linkid
@@ -482,18 +482,18 @@ latch	origid	destid	weight	seq	linkid
 breadth_first	NULL	9	0	1	9
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 10;
 latch	origid	destid	weight	seq	linkid
-breadth_first	NULL	10	2	3	12
-breadth_first	NULL	10	1	2	11
+breadth_first	NULL	10	2	3	11
+breadth_first	NULL	10	1	2	12
 breadth_first	NULL	10	0	1	10
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 11;
 latch	origid	destid	weight	seq	linkid
-breadth_first	NULL	11	2	3	10
-breadth_first	NULL	11	1	2	12
+breadth_first	NULL	11	2	3	12
+breadth_first	NULL	11	1	2	10
 breadth_first	NULL	11	0	1	11
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 12;
 latch	origid	destid	weight	seq	linkid
-breadth_first	NULL	12	2	3	11
-breadth_first	NULL	12	1	2	10
+breadth_first	NULL	12	2	3	10
+breadth_first	NULL	12	1	2	11
 breadth_first	NULL	12	0	1	12
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 1 and weight = 1;
 latch	origid	destid	weight	seq	linkid
@@ -511,26 +511,26 @@ latch	origid	destid	weight	seq	linkid
 breadth_first	NULL	4	1	2	3
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 5 and weight = 1;
 latch	origid	destid	weight	seq	linkid
-breadth_first	NULL	5	1	3	7
 breadth_first	NULL	5	1	2	6
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 6 and weight = 1;
 latch	origid	destid	weight	seq	linkid
 breadth_first	NULL	6	1	2	5
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 7 and weight = 1;
 latch	origid	destid	weight	seq	linkid
+breadth_first	NULL	7	1	2	5
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 8 and weight = 1;
 latch	origid	destid	weight	seq	linkid
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 9 and weight = 1;
 latch	origid	destid	weight	seq	linkid
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 10 and weight = 1;
 latch	origid	destid	weight	seq	linkid
-breadth_first	NULL	10	1	2	11
+breadth_first	NULL	10	1	2	12
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 11 and weight = 1;
 latch	origid	destid	weight	seq	linkid
-breadth_first	NULL	11	1	2	12
+breadth_first	NULL	11	1	2	10
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 12 and weight = 1;
 latch	origid	destid	weight	seq	linkid
-breadth_first	NULL	12	1	2	10
+breadth_first	NULL	12	1	2	11
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 1 and weight = 2;
 latch	origid	destid	weight	seq	linkid
 breadth_first	NULL	1	2	4	4
@@ -547,22 +547,22 @@ SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 5 and weight = 2;
 latch	origid	destid	weight	seq	linkid
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 6 and weight = 2;
 latch	origid	destid	weight	seq	linkid
-breadth_first	NULL	6	2	3	7
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 7 and weight = 2;
 latch	origid	destid	weight	seq	linkid
+breadth_first	NULL	7	2	3	6
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 8 and weight = 2;
 latch	origid	destid	weight	seq	linkid
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 9 and weight = 2;
 latch	origid	destid	weight	seq	linkid
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 10 and weight = 2;
 latch	origid	destid	weight	seq	linkid
-breadth_first	NULL	10	2	3	12
+breadth_first	NULL	10	2	3	11
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 11 and weight = 2;
 latch	origid	destid	weight	seq	linkid
-breadth_first	NULL	11	2	3	10
+breadth_first	NULL	11	2	3	12
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 12 and weight = 2;
 latch	origid	destid	weight	seq	linkid
-breadth_first	NULL	12	2	3	11
+breadth_first	NULL	12	2	3	10
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 1 and weight = 3;
 latch	origid	destid	weight	seq	linkid
 SELECT * FROM graph WHERE latch = 'breadth_first' AND destid = 2 and weight = 3;
@@ -838,8 +838,8 @@ latch	origid	destid	weight	seq	linkid
 2	NULL	1	0	1	1
 SELECT * FROM graph WHERE latch = '2' AND destid = 12;
 latch	origid	destid	weight	seq	linkid
-2	NULL	12	2	3	11
-2	NULL	12	1	2	10
+2	NULL	12	2	3	10
+2	NULL	12	1	2	11
 2	NULL	12	0	1	12
 SELECT * FROM graph WHERE latch = '2' AND destid = 1 and weight = 1;
 latch	origid	destid	weight	seq	linkid
@@ -997,16 +997,16 @@ dijkstras	NULL	4	1	2	3
 dijkstras	NULL	4	0	1	4
 SELECT * FROM graph WHERE latch='dijkstras' AND destid=5;
 latch	origid	destid	weight	seq	linkid
-dijkstras	NULL	5	1	3	7
 dijkstras	NULL	5	1	2	6
 dijkstras	NULL	5	0	1	5
 SELECT * FROM graph WHERE latch='dijkstras' AND destid=6;
 latch	origid	destid	weight	seq	linkid
-dijkstras	NULL	6	2	3	7
 dijkstras	NULL	6	1	2	5
 dijkstras	NULL	6	0	1	6
 SELECT * FROM graph WHERE latch='dijkstras' AND destid=7;
 latch	origid	destid	weight	seq	linkid
+dijkstras	NULL	7	2	3	6
+dijkstras	NULL	7	1	2	5
 dijkstras	NULL	7	0	1	7
 SELECT * FROM graph WHERE latch='dijkstras' AND destid=8;
 latch	origid	destid	weight	seq	linkid
@@ -1015,18 +1015,18 @@ latch	origid	destid	weight	seq	linkid
 dijkstras	NULL	9	0	1	9
 SELECT * FROM graph WHERE latch='dijkstras' AND destid=10;
 latch	origid	destid	weight	seq	linkid
-dijkstras	NULL	10	2	3	12
-dijkstras	NULL	10	1	2	11
+dijkstras	NULL	10	2	3	11
+dijkstras	NULL	10	1	2	12
 dijkstras	NULL	10	0	1	10
 SELECT * FROM graph WHERE latch='dijkstras' AND destid=11;
 latch	origid	destid	weight	seq	linkid
-dijkstras	NULL	11	2	3	10
-dijkstras	NULL	11	1	2	12
+dijkstras	NULL	11	2	3	12
+dijkstras	NULL	11	1	2	10
 dijkstras	NULL	11	0	1	11
 SELECT * FROM graph WHERE latch='dijkstras' AND destid=12;
 latch	origid	destid	weight	seq	linkid
-dijkstras	NULL	12	2	3	11
-dijkstras	NULL	12	1	2	10
+dijkstras	NULL	12	2	3	10
+dijkstras	NULL	12	1	2	11
 dijkstras	NULL	12	0	1	12
 # legacy string number
 SELECT * FROM graph WHERE latch='1' AND origid=1 AND destid=1;
@@ -1172,16 +1172,16 @@ latch	origid	destid	weight	seq	linkid
 1	NULL	4	0	1	4
 SELECT * FROM graph WHERE latch='1' AND destid=5;
 latch	origid	destid	weight	seq	linkid
-1	NULL	5	1	3	7
 1	NULL	5	1	2	6
 1	NULL	5	0	1	5
 SELECT * FROM graph WHERE latch='1' AND destid=6;
 latch	origid	destid	weight	seq	linkid
-1	NULL	6	2	3	7
 1	NULL	6	1	2	5
 1	NULL	6	0	1	6
 SELECT * FROM graph WHERE latch='1' AND destid=7;
 latch	origid	destid	weight	seq	linkid
+1	NULL	7	2	3	6
+1	NULL	7	1	2	5
 1	NULL	7	0	1	7
 SELECT * FROM graph WHERE latch='1' AND destid=8;
 latch	origid	destid	weight	seq	linkid
@@ -1190,18 +1190,18 @@ latch	origid	destid	weight	seq	linkid
 1	NULL	9	0	1	9
 SELECT * FROM graph WHERE latch='1' AND destid=10;
 latch	origid	destid	weight	seq	linkid
-1	NULL	10	2	3	12
-1	NULL	10	1	2	11
+1	NULL	10	2	3	11
+1	NULL	10	1	2	12
 1	NULL	10	0	1	10
 SELECT * FROM graph WHERE latch='1' AND destid=11;
 latch	origid	destid	weight	seq	linkid
-1	NULL	11	2	3	10
-1	NULL	11	1	2	12
+1	NULL	11	2	3	12
+1	NULL	11	1	2	10
 1	NULL	11	0	1	11
 SELECT * FROM graph WHERE latch='1' AND destid=12;
 latch	origid	destid	weight	seq	linkid
-1	NULL	12	2	3	11
-1	NULL	12	1	2	10
+1	NULL	12	2	3	10
+1	NULL	12	1	2	11
 1	NULL	12	0	1	12
 SELECT count(*) FROM graph;
 count(*)
@@ -1280,9 +1280,6 @@ dijkstras	1	NULL	1	2	2
 dijkstras	1	NULL	0	1	1
 SELECT * FROM graph WHERE latch='dijkstras' AND destid=1;
 latch	origid	destid	weight	seq	linkid
-dijkstras	NULL	1	4	7	18
-dijkstras	NULL	1	3	6	17
-dijkstras	NULL	1	3	5	16
 dijkstras	NULL	1	2	4	4
 dijkstras	NULL	1	1	3	3
 dijkstras	NULL	1	1	2	2

storage/oqgraph/oqgraph_shim.h

@@ -154,12 +154,12 @@ namespace oqgraph3
     typedef std::input_iterator_tag iterator_category;
     in_edge_iterator() { }
     in_edge_iterator(const cursor_ptr& cursor) : _cursor(cursor) { }
-    value_type operator*() { return value_type(_cursor); }
+    value_type operator*() const { return value_type(_cursor); }
     self& operator++() { _cursor->seek_next(); return *this; }
     self operator++(int)
     { cursor_ptr t(new cursor(*_cursor)); ++(*this); return in_edge_iterator(t); }
-    bool operator==(const self& x) { return _cursor == x._cursor; }
-    bool operator!=(const self& x) { return _cursor != x._cursor; }
+    bool operator==(const self& x) const { return _cursor == x._cursor; }
+    bool operator!=(const self& x) const { return _cursor != x._cursor; }
     cursor_ptr _cursor;
   };