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feat:HSET support HMSET #3003

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feat:HSET support HMSET #3003

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3ab956d
feat:HSET support HMSET
brother-jin Feb 5, 2025
c60a028
feat:HSET support HMSET
brother-jin Feb 5, 2025
ff4de98
fix:test && CI
brother-jin Feb 5, 2025
947916b
Merge branch 'OpenAtomFoundation:unstable' into HMSET
chejinge Feb 10, 2025
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2 changes: 2 additions & 0 deletions include/pika_hash.h
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,7 @@ class HGetCmd : public Cmd {

private:
std::string key_, field_;
std::vector<std::string> fields_;
void DoInitial() override;
rocksdb::Status s_;
};
Expand Down Expand Up @@ -104,6 +105,7 @@ class HSetCmd : public Cmd {

private:
std::string key_, field_, value_;
std::vector<storage::FieldValue> fields_values_;
void DoInitial() override;
rocksdb::Status s_;
};
Expand Down
154 changes: 118 additions & 36 deletions src/pika_hash.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -48,79 +48,161 @@ void HDelCmd::DoUpdateCache() {
}

void HSetCmd::DoInitial() {
if (!CheckArg(argv_.size())) {
if (argv_.size() < 4) {
res_.SetRes(CmdRes::kWrongNum, kCmdNameHSet);
return;
}

key_ = argv_[1];
field_ = argv_[2];
value_ = argv_[3];
if (argv_.size() == 4) {
field_ = argv_[2];
value_ = argv_[3];
}

else if (argv_.size() > 4 && argv_.size() % 2 == 0) {
for (size_t i = 2; i < argv_.size(); i += 2) {
fields_values_.emplace_back(argv_[i], argv_[i + 1]);
}
} else {
res_.SetRes(CmdRes::kWrongNum, kCmdNameHSet);
}
}



void HSetCmd::Do() {
int32_t ret = 0;
s_ = db_->storage()->HSet(key_, field_, value_, &ret);
if (s_.ok()) {
res_.AppendContent(":" + std::to_string(ret));
AddSlotKey("h", key_, db_);
} else if (s_.IsInvalidArgument()) {
res_.SetRes(CmdRes::kMultiKey);
} else {
res_.SetRes(CmdRes::kErrOther, s_.ToString());
if (argv_.size() == 4) {
// 处理传统 HSET，设置单个字段-值对
int32_t count = 0;
s_ = db_->storage()->HSet(key_, field_, value_, &count);
if (s_.ok()) {
res_.AppendContent(":" + std::to_string(count));
AddSlotKey("h", key_, db_);
} else {
res_.SetRes(CmdRes::kErrOther, s_.ToString());
}
} else if (argv_.size() > 4 && argv_.size() % 2 == 0) {
s_ = db_->storage()->HMSet(key_, fields_values_);
if (s_.ok()) {
res_.AppendContent(":" + std::to_string(fields_values_.size()));
AddSlotKey("h", key_, db_);
} else {
res_.SetRes(CmdRes::kErrOther, s_.ToString());
}
}
}



void HSetCmd::DoThroughDB() {
Do();
}

void HSetCmd::DoUpdateCache() {
// HSetIfKeyExist() can void storing large key, but IsTooLargeKey() can speed up it
if (IsTooLargeKey(g_pika_conf->max_key_size_in_cache())) {
return;
}

if (s_.ok()) {
db_->cache()->HSetIfKeyExist(key_, field_, value_);
if (argv_.size() == 4) {
db_->cache()->HSetIfKeyExist(key_, field_, value_);
}
else if (argv_.size() > 4 && argv_.size() % 2 == 0) {
db_->cache()->HMSet(key_, fields_values_);
}
}
}


void HGetCmd::DoInitial() {
if (!CheckArg(argv_.size())) {
if (argv_.size() < 3) {
res_.SetRes(CmdRes::kWrongNum, kCmdNameHGet);
return;
}

key_ = argv_[1];
field_ = argv_[2];
if (argv_.size() == 3) {
field_ = argv_[2];
}

else if (argv_.size() > 3) {
for (size_t i = 2; i < argv_.size(); ++i) {
fields_.push_back(argv_[i]);
}
}
}


void HGetCmd::Do() {
std::string value;
s_ = db_->storage()->HGet(key_, field_, &value);
if (s_.ok()) {
res_.AppendStringLenUint64(value.size());
res_.AppendContent(value);
} else if (s_.IsInvalidArgument()) {
res_.SetRes(CmdRes::kMultiKey);
} else if (s_.IsNotFound()) {
res_.AppendContent("$-1");
} else {
res_.SetRes(CmdRes::kErrOther, s_.ToString());
if (argv_.size() == 3) {
std::string value;
s_ = db_->storage()->HGet(key_, field_, &value);

if (s_.ok()) {
res_.AppendStringLenUint64(value.size());
res_.AppendContent(value);
} else if (s_.IsNotFound()) {
res_.AppendContent("$-1");
} else {
res_.SetRes(CmdRes::kErrOther, s_.ToString());
}
}
else if (argv_.size() > 3) {
std::vector<storage::ValueStatus> values;
s_ = db_->storage()->HMGet(key_, fields_, &values);

if (s_.ok()) {
res_.AppendArrayLen(values.size());
for (const auto& vs : values) {
if (vs.status.ok()) {
res_.AppendStringLenUint64(vs.value.size());
res_.AppendContent(vs.value);
} else {
res_.AppendContent("$-1");
}
}
} else {
res_.SetRes(CmdRes::kErrOther, s_.ToString());
}
}
}


void HGetCmd::ReadCache() {
std::string value;
auto s = db_->cache()->HGet(key_, field_, &value);
if (s.ok()) {
res_.AppendStringLen(value.size());
res_.AppendContent(value);
} else if (s.IsNotFound()) {
res_.SetRes(CmdRes::kCacheMiss);
} else {
res_.SetRes(CmdRes::kErrOther, s.ToString());
if (argv_.size() == 3) {
std::string value;
auto s = db_->cache()->HGet(key_, field_, &value);
if (s.ok()) {
res_.AppendStringLen(value.size());
res_.AppendContent(value);
} else if (s.IsNotFound()) {
res_.SetRes(CmdRes::kCacheMiss);
} else {
res_.SetRes(CmdRes::kErrOther, s.ToString());
}
}
else if (argv_.size() > 3) {
std::vector<storage::ValueStatus> values;
auto s = db_->cache()->HMGet(key_, fields_, &values);
if (s.ok()) {
res_.AppendArrayLen(values.size());
for (const auto& vs : values) {
if (vs.status.ok()) {
res_.AppendStringLen(vs.value.size());
res_.AppendContent(vs.value);
} else {
res_.AppendContent("$-1");
}
}
} else if (s.IsNotFound()) {
res_.SetRes(CmdRes::kCacheMiss);
} else {
res_.SetRes(CmdRes::kErrOther, s.ToString());
}
}
}


void HGetCmd::DoThroughDB() {
res_.clear();
Do();
Expand Down
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