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Streams: better error when $ is given with XREADGROUP.
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6201f7b4e0
@ -1352,8 +1352,11 @@ void xreadCommand(client *c) {
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if (strcmp(c->argv[i]->ptr,"$") == 0) {
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if (xreadgroup) {
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addReplyError(c,"The $ ID can be specified only when calling "
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"XREAD without GROUP option.");
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addReplyError(c,"The $ ID is meaningless in the context of "
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"XREADGROUP: you want to read the history of "
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"this consumer by specifying a proper ID, or "
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"use the > ID to get new messages. The $ ID would "
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"just return an empty result set.");
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goto cleanup;
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}
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if (o) {
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