a little optimization in touchAllWatchedKeysInDb (#9200)

touch keys only if the key is in one of the dbs,
in case rewind the list when the key doesn't exist.

1 files changed, 8 insertions, 8 deletions

diff --git a/src/multi.c b/src/multi.c
index eab620d6d..d3b73c78b 100644
--- a/src/multi.c
+++ b/src/multi.c
@@ -380,14 +380,14 @@ void touchAllWatchedKeysInDb(redisDb *emptied, redisDb *replaced_with) {
     dictIterator *di = dictGetSafeIterator(emptied->watched_keys);
     while((de = dictNext(di)) != NULL) {
         robj *key = dictGetKey(de);
-        list *clients = dictGetVal(de);
-        if (!clients) continue;
-        listRewind(clients,&li);
-        while((ln = listNext(&li))) {
-            client *c = listNodeValue(ln);
-            if (dictFind(emptied->dict, key->ptr)) {
-                c->flags |= CLIENT_DIRTY_CAS;
-            } else if (replaced_with && dictFind(replaced_with->dict, key->ptr)) {
+        if (dictFind(emptied->dict, key->ptr) ||
+            (replaced_with && dictFind(replaced_with->dict, key->ptr)))
+        {
+            list *clients = dictGetVal(de);
+            if (!clients) continue;
+            listRewind(clients,&li);
+            while((ln = listNext(&li))) {
+                client *c = listNodeValue(ln);
                 c->flags |= CLIENT_DIRTY_CAS;
             }
         }