torwig commented on code in PR #1490:
URL:
https://github.com/apache/incubator-kvrocks/pull/1490#discussion_r1232088462
##########
src/commands/cmd_zset.cc:
##########
@@ -221,64 +223,217 @@ class CommandZLexCount : public Commander {
RangeLexSpec spec_;
};
-class CommandZPop : public Commander {
+class CommandZPop : public Commander,
+ private EvbufCallbackBase<CommandZPop, false>,
+ private EventCallbackBase<CommandZPop> {
public:
- explicit CommandZPop(bool min) : min_(min) {}
+ explicit CommandZPop(bool min, bool block) : min_(min), block_(block) {}
Status Parse(const std::vector<std::string> &args) override {
- if (args.size() > 3) {
- return {Status::RedisParseErr, errWrongNumOfArguments};
- }
+ if (!block_) {
+ if (args.size() > 3) {
+ return {Status::RedisParseErr, errWrongNumOfArguments};
+ }
+
+ if (args.size() == 3) {
+ auto parse_result = ParseInt<int>(args[2], 10);
+ if (!parse_result) {
+ return {Status::RedisParseErr, errValueNotInteger};
+ }
- if (args.size() == 3) {
- auto parse_result = ParseInt<int>(args[2], 10);
- if (!parse_result) {
- return {Status::RedisParseErr, errValueNotInteger};
+ count_ = *parse_result;
}
+ keys_.push_back(args[1]);
+ return Commander::Parse(args);
+ }
+ auto parse_result = ParseInt<int>(args[args.size() - 1], 10);
- count_ = *parse_result;
+ if (!parse_result) {
+ return {Status::RedisParseErr, "timeout is not an integer or out of
range"};
}
+
+ if (*parse_result < 0) {
+ return {Status::RedisParseErr, errTimeoutIsNegative};
+ }
+
+ timeout_ = *parse_result;
+
+ keys_ = std::vector<std::string>(args.begin() + 1, args.end() - 1);
return Commander::Parse(args);
Review Comment:
@Yangsx-1 You can move the same code into functions (and call them from both
commands) but still have two different commands.
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