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Merge pull request #6690 from yangbodong22011/fix-spop-return-nil

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Fix spop return nil #4709
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Salvatore Sanfilippo 2020-02-27 17:58:49 +01:00 committed by GitHub
commit 7e64aa80d8
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src/t_set.c
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@ -415,7 +415,7 @@ void spopWithCountCommand(client *c) {
/* Make sure a key with the name inputted exists, and that it's type is
* indeed a set. Otherwise, return nil */
if ((set = lookupKeyWriteOrReply(c,c->argv[1],shared.null[c->resp]))
if ((set = lookupKeyWriteOrReply(c,c->argv[1],shared.emptyset[c->resp]))
== NULL || checkType(c,set,OBJ_SET)) return;
/* If count is zero, serve an empty set ASAP to avoid special