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Fix mdb_node_move

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Was leaving stale info in dst cursor
incre
Howard Chu 11 years ago
parent 0d013609fe
commit 79e8462d74
1 changed files with 8 additions and 8 deletions
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  1. 16
      libraries/liblmdb/mdb.c

16
libraries/liblmdb/mdb.c
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@ -7054,20 +7054,20 @@ mdb_node_move(MDB_cursor *csrc, MDB_cursor *cdst)
MDB_node *s2; MDB_node *s2;
MDB_val bkey; MDB_val bkey;
/* must find the lowest key below dst */ /* must find the lowest key below dst */
rc = mdb_page_search_lowest(cdst); mdb_cursor_copy(cdst, &mn);
rc = mdb_page_search_lowest(&mn);
if (rc) if (rc)
return rc; return rc;
if (IS_LEAF2(cdst->mc_pg[cdst->mc_top])) { if (IS_LEAF2(mn.mc_pg[mn.mc_top])) {
bkey.mv_size = cdst->mc_db->md_pad; bkey.mv_size = mn.mc_db->md_pad;
bkey.mv_data = LEAF2KEY(cdst->mc_pg[cdst->mc_top], 0, bkey.mv_size); bkey.mv_data = LEAF2KEY(mn.mc_pg[mn.mc_top], 0, bkey.mv_size);
} else { } else {
s2 = NODEPTR(cdst->mc_pg[cdst->mc_top], 0); s2 = NODEPTR(mn.mc_pg[mn.mc_top], 0);
bkey.mv_size = NODEKSZ(s2); bkey.mv_size = NODEKSZ(s2);
bkey.mv_data = NODEKEY(s2); bkey.mv_data = NODEKEY(s2);
} }
cdst->mc_snum = snum--; mn.mc_snum = snum--;
cdst->mc_top = snum; mn.mc_top = snum;
mdb_cursor_copy(cdst, &mn);
mn.mc_ki[snum] = 0; mn.mc_ki[snum] = 0;
rc = mdb_update_key(&mn, &bkey); rc = mdb_update_key(&mn, &bkey);
if (rc) if (rc)

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