ITS#8258 fix rebalance/split
authorHoward Chu <hyc@openldap.org>
Sun, 4 Oct 2015 00:56:25 +0000 (01:56 +0100)
committerHoward Chu <hyc@openldap.org>
Sun, 4 Oct 2015 01:14:29 +0000 (02:14 +0100)
commit8b46dcc26d1e9897ab1da3a4a164cad4a4479a52
tree9f3834b22fbd12e3f25b5c6038b3574d81b28b3f
parent436333b16c54fdfa5dce0aeaa5a81eeb2f5ceb17
ITS#8258 fix rebalance/split

The tree height can also increase during rebalance, not just shrink.
This can happen if update_key needs to split a parent branch page.
libraries/liblmdb/mdb.c