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ITS#7736 fix regression in ITS#7733 patch

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In d8eccb353b
This commit is contained in:
Howard Chu 2013-10-31 16:01:04 -07:00
parent d8eccb353b
commit e31983c723
1 changed files with 5 additions and 5 deletions
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10
libraries/liblmdb/mdb.c
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@ -6079,8 +6079,7 @@ mdb_cursor_del(MDB_cursor *mc, unsigned int flags)
if (!(mc->mc_flags & C_INITIALIZED))
return EINVAL;
mp = mc->mc_pg[mc->mc_top];
if (mc->mc_ki[mc->mc_top] >= NUMKEYS(mp))
if (mc->mc_ki[mc->mc_top] >= NUMKEYS(mc->mc_pg[mc->mc_top]))
return MDB_NOTFOUND;
if (!(flags & MDB_NOSPILL) && (rc = mdb_page_spill(mc, NULL, NULL)))
@ -6090,6 +6089,7 @@ mdb_cursor_del(MDB_cursor *mc, unsigned int flags)
if (rc)
return rc;
mp = mc->mc_pg[mc->mc_top];
leaf = NODEPTR(mp, mc->mc_ki[mc->mc_top]);
if (!IS_LEAF2(mp) && F_ISSET(leaf->mn_flags, F_DUPDATA)) {
@ -6107,13 +6107,13 @@ mdb_cursor_del(MDB_cursor *mc, unsigned int flags)
} else {
MDB_cursor *m2;
/* shrink fake page */
mdb_node_shrink(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top]);
leaf = NODEPTR(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top]);
mdb_node_shrink(mp, mc->mc_ki[mc->mc_top]);
leaf = NODEPTR(mp, mc->mc_ki[mc->mc_top]);
mc->mc_xcursor->mx_cursor.mc_pg[0] = NODEDATA(leaf);
/* fix other sub-DB cursors pointed at this fake page */
for (m2 = mc->mc_txn->mt_cursors[mc->mc_dbi]; m2; m2=m2->mc_next) {
if (m2 == mc || m2->mc_snum < mc->mc_snum) continue;
if (m2->mc_pg[mc->mc_top] == mc->mc_pg[mc->mc_top] &&
if (m2->mc_pg[mc->mc_top] == mp &&
m2->mc_ki[mc->mc_top] == mc->mc_ki[mc->mc_top])
m2->mc_xcursor->mx_cursor.mc_pg[0] = NODEDATA(leaf);
}