From fd7bfbc0df0ade534bea84914d385ecf2a73f678 Mon Sep 17 00:00:00 2001 From: Howard Chu Date: Tue, 8 Dec 2015 18:17:24 +0000 Subject: [PATCH] ITS#8336 fix page_search_root assert on FreeDB Let "illegal" branch pages thru on the FreeDB - the condition is only temporary and will be fixed by the time rebalance finishes. --- libraries/liblmdb/mdb.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c index fa0c9e5..a624cba 100644 --- a/libraries/liblmdb/mdb.c +++ b/libraries/liblmdb/mdb.c @@ -5279,7 +5279,11 @@ mdb_page_search_root(MDB_cursor *mc, MDB_val *key, int flags) indx_t i; DPRINTF(("branch page %"Z"u has %u keys", mp->mp_pgno, NUMKEYS(mp))); - mdb_cassert(mc, NUMKEYS(mp) > 1); + /* Don't assert on branch pages in the FreeDB. We can get here + * while in the process of rebalancing a FreeDB branch page; we must + * let that proceed. ITS#8336 + */ + mdb_cassert(mc, !mc->mc_dbi || NUMKEYS(mp) > 1); DPRINTF(("found index 0 to page %"Z"u", NODEPGNO(NODEPTR(mp, 0)))); if (flags & (MDB_PS_FIRST|MDB_PS_LAST)) {