ITS#7266 fix rebalance for LEAF2 pages

diff --git a/libraries/libmdb/mdb.c b/libraries/libmdb/mdb.c
index 3a13065..5bdf8d1 100644 (file)
--- a/libraries/libmdb/mdb.c
+++ b/libraries/libmdb/mdb.c
@@ -5214,9 +5214,14 @@ mdb_node_move(MDB_cursor *csrc, MDB_cursor *cdst)
                        MDB_node *s2;
                        /* must find the lowest key below src */
                        mdb_page_search_root(csrc, NULL, 0);
-                       s2 = NODEPTR(csrc->mc_pg[csrc->mc_top], 0);
-                       key.mv_size = NODEKSZ(s2);
-                       key.mv_data = NODEKEY(s2);
+                       if (IS_LEAF2(csrc->mc_pg[csrc->mc_top])) {
+                               key.mv_size = csrc->mc_db->md_pad;
+                               key.mv_data = LEAF2KEY(csrc->mc_pg[csrc->mc_top], 0, key.mv_size);
+                       } else {
+                               s2 = NODEPTR(csrc->mc_pg[csrc->mc_top], 0);
+                               key.mv_size = NODEKSZ(s2);
+                               key.mv_data = NODEKEY(s2);
+                       }
                        csrc->mc_snum = snum--;
                        csrc->mc_top = snum;
                } else {
@@ -5232,9 +5237,14 @@ mdb_node_move(MDB_cursor *csrc, MDB_cursor *cdst)
                MDB_val bkey;
                /* must find the lowest key below dst */
                mdb_page_search_root(cdst, NULL, 0);
-               s2 = NODEPTR(cdst->mc_pg[cdst->mc_top], 0);
-               bkey.mv_size = NODEKSZ(s2);
-               bkey.mv_data = NODEKEY(s2);
+               if (IS_LEAF2(cdst->mc_pg[cdst->mc_top])) {
+                       bkey.mv_size = cdst->mc_db->md_pad;
+                       bkey.mv_data = LEAF2KEY(cdst->mc_pg[cdst->mc_top], 0, bkey.mv_size);
+               } else {
+                       s2 = NODEPTR(cdst->mc_pg[cdst->mc_top], 0);
+                       bkey.mv_size = NODEKSZ(s2);
+                       bkey.mv_data = NODEKEY(s2);
+               }
                cdst->mc_snum = snum--;
                cdst->mc_top = snum;
                rc = mdb_update_key(cdst->mc_pg[cdst->mc_top], 0, &bkey);
@@ -5377,9 +5387,14 @@ mdb_page_merge(MDB_cursor *csrc, MDB_cursor *cdst)
                                MDB_node *s2;
                                /* must find the lowest key below src */
                                mdb_page_search_root(csrc, NULL, 0);
-                               s2 = NODEPTR(csrc->mc_pg[csrc->mc_top], 0);
-                               key.mv_size = NODEKSZ(s2);
-                               key.mv_data = NODEKEY(s2);
+                               if (IS_LEAF2(csrc->mc_pg[csrc->mc_top])) {
+                                       key.mv_size = csrc->mc_db->md_pad;
+                                       key.mv_data = LEAF2KEY(csrc->mc_pg[csrc->mc_top], 0, key.mv_size);
+                               } else {
+                                       s2 = NODEPTR(csrc->mc_pg[csrc->mc_top], 0);
+                                       key.mv_size = NODEKSZ(s2);
+                                       key.mv_data = NODEKEY(s2);
+                               }
                                csrc->mc_snum = snum--;
                                csrc->mc_top = snum;
                        } else {