From 591c2a3b4b14dc984500792c7ed90ac7ba832f3d Mon Sep 17 00:00:00 2001
From: Igor Canadi <icanadi@fb.com>
Date: Mon, 14 Jul 2014 07:56:07 -0700
Subject: [PATCH] [db stress] Don't drop column families if there's only 1

---
 tools/db_stress.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/db_stress.cc b/tools/db_stress.cc
index 337199a24..aae0e0598 100644
--- a/tools/db_stress.cc
+++ b/tools/db_stress.cc
@@ -1202,7 +1202,7 @@ class StressTest {
       }
 
       if (!FLAGS_test_batches_snapshots &&
-          FLAGS_clear_column_family_one_in != 0) {
+          FLAGS_clear_column_family_one_in != 0 && FLAGS_column_families > 1) {
         if (thread->rand.OneIn(FLAGS_clear_column_family_one_in)) {
           // drop column family and then create it again (can't drop default)
           int cf = thread->rand.Next() % (FLAGS_column_families - 1) + 1;