torwig commented on code in PR #2819:
URL: https://github.com/apache/kvrocks/pull/2819#discussion_r1984639287
##########
src/commands/cmd_key.cc:
##########
@@ -336,6 +336,30 @@ class CommandPersist : public Commander {
}
};
+class CommandDelPrefix : public Commander {
+ public:
+ Status Execute(engine::Context &ctx, Server *srv, Connection *conn,
std::string *output) override {
+ if (args_.size() != 2) {
+ return {Status::RedisParseErr, "wrong number of arguments for
'DELPREFIX' command"};
+ }
+
+ std::string prefix = args_[1];
+ auto storage = srv->storage;
+ std::string start_key = prefix;
+ std::string end_key = prefix;
+ end_key.back()++;
+
+ rocksdb::WriteOptions write_options;
+ auto s = storage->GetDB()->DeleteRange(write_options,
storage->GetCFHandle("data"), start_key, end_key);
Review Comment:
Do we have a column family with the name "data"?
Additionally, I'm a little confused here since I see the function signature:
`rocksdb::ColumnFamilyHandle *GetCFHandle(ColumnFamilyID id);`
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