File 0001-ITS-8336-fix-page_search_root-assert-on-Fr... of Package lmdb

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File 0001-ITS-8336-fix-page_search_root-assert-on-FreeDB.patch of Package lmdb

From 58d1fd4c73c96ef3097816e975b3d421ead4d86e Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@openldap.org>
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 0c93c37..c603654 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -5434,7 +5434,11 @@ 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)) {
-- 
2.24.0

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File 0001-ITS-8336-fix-page_search_root-assert-on-FreeDB.patch of Package lmdb

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