From 7f5e1340f9bf6e1566be630f424accdb2ad0aed7 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Thu, 28 Apr 2016 08:45:47 +0200
Subject: [PATCH] Modules: add ZADD_INCR flag to zset increment API.

---
 src/module.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/module.c b/src/module.c
index dadc22d4..4a74d158 100644
--- a/src/module.c
+++ b/src/module.c
@@ -1236,6 +1236,7 @@ int RM_ZsetIncrby(RedisModuleKey *key, double score, RedisModuleString *ele, int
     if (key->value && key->value->type != OBJ_ZSET) return REDISMODULE_ERR;
     if (key->value == NULL) moduleCreateEmptyKey(key,REDISMODULE_KEYTYPE_ZSET);
     if (flagsptr) flags = RM_ZsetAddFlagsToCoreFlags(*flagsptr);
+    flags |= ZADD_INCR;
     if (zsetAdd(key->value,score,ele->ptr,&flags,newscore) == 0) {
         if (flagsptr) *flagsptr = 0;
         return REDISMODULE_ERR;