PragmaTwice commented on code in PR #3317:
URL: https://github.com/apache/kvrocks/pull/3317#discussion_r2655094030
##########
src/commands/cmd_string.cc:
##########
@@ -108,6 +108,51 @@ class CommandGetEx : public Commander {
std::optional<uint64_t> expire_;
};
+class CommandDelEX : public Commander {
+ public:
+ Status Parse(const std::vector<std::string> &args) override {
+ if (args.size() > 4) {
+ return {Status::RedisParseErr, errWrongNumOfArguments};
+ }
+
+ CommandParser parser(args, 2);
+ while (parser.Good()) {
+ if (parser.EatEqICase("ifdeq")) {
+ option = {DelExOption::Type::IFDEQ, GET_OR_RET(parser.TakeStr())};
+ } else if (parser.EatEqICase("ifdne")) {
+ option = {DelExOption::Type::IFDNE, GET_OR_RET(parser.TakeStr())};
+ } else if (parser.EatEqICase("ifeq")) {
+ option = {DelExOption::Type::IFEQ, GET_OR_RET(parser.TakeStr())};
+ } else if (parser.EatEqICase("ifne")) {
+ option = {DelExOption::Type::IFNE, GET_OR_RET(parser.TakeStr())};
+ } else {
+ return {Status::RedisParseErr, errInvalidSyntax};
+ }
+ }
+ return Status::OK();
+ }
+
+ Status Execute(engine::Context &ctx, Server *srv, Connection *conn,
std::string *output) override {
+ redis::String string_db(srv->storage, conn->GetNamespace());
+ auto s = string_db.DelEX(ctx, args_[1], option, deleted);
+
+ if (!s.ok() && !s.IsNotFound()) {
+ return {Status::RedisExecErr, s.ToString()};
+ }
+
+ if (s.IsNotFound() || (option.type == DelExOption::Type::NONE &&
!deleted)) {
+ *output = redis::Integer(0);
+ } else {
+ *output = redis::Integer(1);
+ }
+ return Status::OK();
+ }
+
+ private:
+ DelExOption option = {DelExOption::Type::NONE, ""};
Review Comment:
```suggestion
DelExOption option;
```
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