PragmaTwice commented on code in PR #2262:
URL: https://github.com/apache/kvrocks/pull/2262#discussion_r1589021856
##########
src/commands/cmd_key.cc:
##########
@@ -424,6 +424,115 @@ class CommandCopy : public Commander {
bool replace_ = false;
};
+template <bool ReadOnly>
+class CommandSort : public Commander {
+ public:
+ Status Parse(const std::vector<std::string> &args) override {
+ CommandParser parser(args, 2);
+ while (parser.Good()) {
+ if (parser.EatEqICase("BY")) {
+ sort_argument_.sortby = GET_OR_RET(parser.TakeStr());
+
+ if (sort_argument_.sortby.find('*') == std::string::npos) {
+ sort_argument_.dontsort = true;
+ } else {
+ /* TODO:
+ * If BY is specified with a real pattern, we can't accept it in
cluster mode,
+ * unless we can make sure the keys formed by the pattern are in the
same slot
+ * as the key to sort.
+ * If BY is specified with a real pattern, we can't accept
+ * it if no full ACL key access is applied for this command. */
+ }
+ } else if (parser.EatEqICase("LIMIT")) {
+ sort_argument_.offset = GET_OR_RET(parser.template TakeInt<int>());
+ sort_argument_.count = GET_OR_RET(parser.template TakeInt<int>());
+ } else if (parser.EatEqICase("GET")) {
+ /* TODO:
+ * If GET is specified with a real pattern, we can't accept it in
cluster mode,
+ * unless we can make sure the keys formed by the pattern are in the
same slot
+ * as the key to sort. */
+ sort_argument_.getpatterns.push_back(GET_OR_RET(parser.TakeStr()));
+ } else if (parser.EatEqICase("ASC")) {
+ sort_argument_.desc = false;
+ } else if (parser.EatEqICase("DESC")) {
+ sort_argument_.desc = true;
+ } else if (parser.EatEqICase("ALPHA")) {
+ sort_argument_.alpha = true;
+ } else if (parser.EatEqICase("STORE")) {
+ if constexpr (ReadOnly) {
+ return {Status::RedisParseErr, "SORT_RO is read-only and does not
support the STORE parameter"};
Review Comment:
It's fine here.
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