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28 lines
918 B
28 lines
918 B
#include <cassert>
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#include <iostream>
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#include "leveldb/db.h"
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int main(){
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leveldb::DB* db;
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leveldb::Options options;
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options.create_if_missing = true;
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options.kvSepType = leveldb::kVSepBeforeSSD;
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leveldb::Status status = leveldb::DB::Open(options, "/tmp/testdb", &db);
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std::cout<< status.ToString() << '\n';
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std::string fill_str = "";
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// fill_str 4KB
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for(int i = 1; i<= 4096; i++){
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fill_str.push_back('%');
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}
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for(int i = 1E5; i>= 1; i--){
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status = db -> Put(leveldb::WriteOptions(), "key" + std::to_string(i), "val" + std::to_string(i) + fill_str);
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}
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if(status.ok()) {
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std::string val;
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for(int i = 0; i< 1E5; i++){
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status = db -> Get(leveldb::ReadOptions(), "key" + std::to_string(i), &val);
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if(status.ok()) std::cout<< "Find value of \'key"<<i<<"\' From db:" << val << "\n";
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}
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}
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delete db;
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}
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