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ITS#8300 fix rebalance after node_move

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ITS#8258, ITS#7829 fixes checked parent index to see if we were moving
from a left neighbor. Should have just checked to see if current index
was 0, meaning we added on the left. (Parent index may not tell us
anything meaningful after a nested rebalance.)
This commit is contained in:
Howard Chu 2015-11-04 20:38:30 +00:00
parent 4359ffe08f
commit af45cf3a04
1 changed files with 2 additions and 1 deletions
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3
libraries/liblmdb/mdb.c
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@ -8009,7 +8009,8 @@ mdb_rebalance(MDB_cursor *mc)
*/ */
if (PAGEFILL(mc->mc_txn->mt_env, mn.mc_pg[mn.mc_top]) >= thresh && NUMKEYS(mn.mc_pg[mn.mc_top]) > minkeys) { if (PAGEFILL(mc->mc_txn->mt_env, mn.mc_pg[mn.mc_top]) >= thresh && NUMKEYS(mn.mc_pg[mn.mc_top]) > minkeys) {
rc = mdb_node_move(&mn, mc); rc = mdb_node_move(&mn, mc);
if (mc->mc_ki[mc->mc_top-1]) { if (!mc->mc_ki[mc->mc_top]) {
/* if we inserted on left, bump position up */
oldki++; oldki++;
} }
} else { } else {