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[Log dumper broken when merge operator is in log]

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Summary: $title

Test Plan:
on my dev box

Revert Plan: OK

Task ID: #

Reviewers: emayanke, dhruba, haobo

Reviewed By: haobo

CC: leveldb

Differential Revision: https://reviews.facebook.net/D14451
This commit is contained in:
Vamsi Ponnekanti 2013-12-03 23:16:36 -08:00
parent 97aa401e2f
commit fa88cbc71e
1 changed files with 28 additions and 30 deletions
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58
util/ldb_cmd.cc
View file

@ -1226,25 +1226,41 @@ void ChangeCompactionStyleCommand::DoCommand() {
class InMemoryHandler : public WriteBatch::Handler {
public:
InMemoryHandler(stringstream& row, bool print_values) : Handler(),row_(row) {
print_values_ = print_values;
}
void commonPutMerge(const Slice& key, const Slice& value) {
string k = LDBCommand::StringToHex(key.ToString());
if (print_values_) {
string v = LDBCommand::StringToHex(value.ToString());
row_ << k << " : ";
row_ << v << " ";
} else {
row_ << k << " ";
}
}
virtual void Put(const Slice& key, const Slice& value) {
putMap_[key.ToString()] = value.ToString();
row_ << "PUT : ";
commonPutMerge(key, value);
}
virtual void Merge(const Slice& key, const Slice& value) {
row_ << "MERGE : ";
commonPutMerge(key, value);
}
virtual void Delete(const Slice& key) {
deleteList_.push_back(key.ToString(true));
row_ <<",DELETE : ";
row_ << LDBCommand::StringToHex(key.ToString()) << " ";
}
virtual ~InMemoryHandler() { };
map<string, string> PutMap() {
return putMap_;
}
vector<string> DeleteList() {
return deleteList_;
}
private:
map<string, string> putMap_;
vector<string> deleteList_;
stringstream & row_;
bool print_values_;
};
const string WALDumperCommand::ARG_WAL_FILE = "walfile";
@ -1322,26 +1338,8 @@ void WALDumperCommand::DoCommand() {
row<<WriteBatchInternal::Count(&batch)<<",";
row<<WriteBatchInternal::ByteSize(&batch)<<",";
row<<reader.LastRecordOffset()<<",";
InMemoryHandler handler;
InMemoryHandler handler(row, print_values_);
batch.Iterate(&handler);
row << "PUT : ";
if (print_values_) {
for (auto& kv : handler.PutMap()) {
string k = StringToHex(kv.first);
string v = StringToHex(kv.second);
row << k << " : ";
row << v << " ";
}
}
else {
for(auto& kv : handler.PutMap()) {
row << StringToHex(kv.first) << " ";
}
}
row<<",DELETE : ";
for(string& s : handler.DeleteList()) {
row << StringToHex(s) << " ";
}
row<<"\n";
}
cout<<row.str();