Fix mdb_rebalance

Don't do anything with (fake root) subpages
This commit is contained in:
Howard Chu 2013-04-17 14:33:41 -07:00
parent aca6c08897
commit dbb9ded2f8

View file

@ -6320,6 +6320,10 @@ mdb_rebalance(MDB_cursor *mc)
if (mc->mc_snum < 2) {
MDB_page *mp = mc->mc_pg[0];
if (IS_SUBP(mp)) {
DPUTS("Can't rebalance a subpage, ignoring");
return MDB_SUCCESS;
}
if (NUMKEYS(mp) == 0) {
DPUTS("tree is completely empty");
mc->mc_db->md_root = P_INVALID;