From 91d3b487e7d27454a0562e4131f9ab79c8288074 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Tue, 12 Mar 2013 09:57:49 +0100
Subject: [PATCH] redis-cli --bigkeys: don't crash with empty DBs.

---
 src/redis-cli.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/redis-cli.c b/src/redis-cli.c
index 496c18604..391cbd285 100644
--- a/src/redis-cli.c
+++ b/src/redis-cli.c
@@ -1206,7 +1206,11 @@ static void findBigKeys(void) {
             fprintf(stderr, "RANDOMKEY error: %s\n",
                 reply1->str);
             exit(1);
+        } else if (reply1->type == REDIS_REPLY_NIL) {
+            fprintf(stderr, "It looks like the database is empty!\n");
+            exit(1);
         }
+
         /* Get the key type */
         reply2 = redisCommand(context,"TYPE %s",reply1->str);
         assert(reply2 && reply2->type == REDIS_REPLY_STATUS);
-- 
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