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LATENCY HISTORY returns empty array if no data is available.
Previously we returned an error.
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@ -524,8 +524,11 @@ void latencyCommand(redisClient *c) {
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if (!strcasecmp(c->argv[1]->ptr,"history") && c->argc == 3) {
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/* LATENCY HISTORY <event> */
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ts = dictFetchValue(server.latency_events,c->argv[2]->ptr);
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if (ts == NULL) goto nodataerr;
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latencyCommandReplyWithSamples(c,ts);
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if (ts == NULL) {
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addReplyMultiBulkLen(c,0);
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} else {
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latencyCommandReplyWithSamples(c,ts);
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}
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} else if (!strcasecmp(c->argv[1]->ptr,"graph") && c->argc == 3) {
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/* LATENCY GRAPH <event> */
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sds graph;
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