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288 Zeilen
9.8 KiB
288 Zeilen
9.8 KiB
#include "gtest/gtest.h"
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// #include "leveldb/env.h"
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// #include "leveldb/db.h"
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#include "fielddb/field_db.h"
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#include <random>
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#include "helper.h"
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using namespace fielddb;
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constexpr int value_size = 2048;
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constexpr int data_size = 128 << 20;
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#define AGE_RANGE 100
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std::vector<std::string> cities = {
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"Beijing", "Shanghai", "Guangzhou", "Shenzhen", "Hangzhou",
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"Chengdu", "Chongqing", "Wuhan", "Suzhou", "Tianjin"
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};
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//检查insert和queryByIndex的数据是否对应
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//封装了一个线程安全的全局set
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ThreadSafeSet shanghaiKeys;
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ThreadSafeSet age20Keys;
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//复杂的测试要注意这两个全局变量，
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//目前只有InsertFieldData和InsertOneField和writeFieldData会往里加，
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//DeleteFieldData和InsertOneField会删除，
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//其他测试之间有必要手动clear
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const WriteOptions op;
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Status OpenDB(std::string dbName, FieldDB **db) {
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Options options;
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options.create_if_missing = true;
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return FieldDB::OpenFieldDB(options, dbName, db);
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}
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// void ClearDB(FieldDB *db){
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// //destroy和恢复没做前先用这个清理数据库，否则跑不同的数据多做几次测试会污染
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// WriteOptions writeOptions;
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// int key_num = data_size / value_size;
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// for (int i = 0; i < key_num; i++) {
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// int key_ = i+1;
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// std::string key = std::to_string(key_);
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// Status s = db->Delete(WriteOptions(), key);
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// ASSERT_TRUE(s.ok());
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// }
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// }
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//只插一条特定数据的测试
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void InsertOneField(FieldDB *db, std::string key = "0") {
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WriteOptions writeOptions;
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FieldArray fields = {
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{"name", "special#" + key},
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{"address", "Shanghai"},
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{"age", "20"}
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};
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Status s = db->PutFields(WriteOptions(), key, fields);
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ASSERT_TRUE(s.ok());
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shanghaiKeys.insert(key);
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age20Keys.insert(key);
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}
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//只删一条特定数据的测试
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void DeleteOneField(FieldDB *db, std::string key = "0") {
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WriteOptions writeOptions;
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Status s = db->Delete(WriteOptions(), key);
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ASSERT_TRUE(s.ok());
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shanghaiKeys.erase(key);
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age20Keys.erase(key);
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}
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//与上面对应
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void GetOneField(FieldDB *db, std::string key = "0") {
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ReadOptions readOptions;
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FieldArray fields_ret;
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Status s = db->GetFields(readOptions, key, &fields_ret);
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ASSERT_TRUE(s.ok());
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for (const Field& pairs : fields_ret) {
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if (pairs.first == "name"){
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ASSERT_EQ(pairs.second, "special#" + key);
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} else if (pairs.first == "address"){
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ASSERT_EQ(pairs.second, "Shanghai");
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} else if (pairs.first == "age"){
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ASSERT_EQ(pairs.second, "20");
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} else assert(false);
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}
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}
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void InsertFieldData(FieldDB *db, int seed = 0/*随机种子*/) {
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std::cout << "-------inserting-------" << std::endl;
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// size_t writeSize = 0;
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WriteOptions writeOptions;
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int key_num = data_size / value_size;
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// srand线程不安全，这种可以保证多线程时随机序列也一致
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std::mt19937 rng(seed);
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for (int i = 0; i < key_num; i++) {
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int randThisTime = rng(); //确保读写一个循环只rand一次，否则随机序列会不一致
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//让批量写入的key>0, 单独写入的key<=0,方便测试观察
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int key_ = std::abs(randThisTime) % key_num + 1;
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std::string key = std::to_string(key_);
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// std::string key = std::to_string(seed*key_num+i+1);
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std::string name = "customer#" + std::to_string(key_);
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std::string address = cities[randThisTime % cities.size()];
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std::string age = std::to_string(std::abs(randThisTime) % AGE_RANGE);
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FieldArray fields = {
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{"name", name},
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{"address", address},
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{"age", age}
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};
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if (address == "Shanghai") {
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shanghaiKeys.insert(key);
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}
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if (age == "20") {
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age20Keys.insert(key);
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}
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Status s = db->PutFields(WriteOptions(), key, fields);
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ASSERT_TRUE(s.ok());
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// writeSize += key.size() + SerializeValue(fields).size();
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}
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// std::cout << writeSize << std::endl;
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}
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void DeleteFieldData(FieldDB *db, int seed = 0/*随机种子*/) {
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std::cout << "-------deleting-------" << std::endl;
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WriteOptions writeOptions;
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int key_num = data_size / value_size;
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// srand线程不安全，这种可以保证多线程时随机序列也一致
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std::mt19937 rng(seed);
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shanghaiKeys.clear();
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age20Keys.clear();
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for (int i = 0; i < key_num; i++) {
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int randThisTime = rng(); //确保读写一个循环只rand一次，否则随机序列会不一致
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int key_ = std::abs(randThisTime) % key_num + 1;
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std::string key = std::to_string(key_);
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Status s = db->Delete(WriteOptions(), key);
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ASSERT_TRUE(s.ok());
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}
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}
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void WriteFieldData(FieldDB *db, int seed = 0/*随机种子*/) {
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std::cout << "-------writing-------" << std::endl;
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WriteOptions writeOptions;
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int key_num = data_size / value_size;
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// srand线程不安全，这种可以保证多线程时随机序列也一致
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std::mt19937 rng(seed);
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WriteBatch wb;
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for (int i = 0; i < key_num; i++) {
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int randThisTime = rng(); //确保读写一个循环只rand一次，否则随机序列会不一致
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//让批量写入的key>0, 单独写入的key<=0,方便测试观察
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int key_ = std::abs(randThisTime) % key_num + 1;
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std::string key = std::to_string(key_);
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std::string name = "customer#" + std::to_string(key_);
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std::string address = cities[randThisTime % cities.size()];
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std::string age = std::to_string(std::abs(randThisTime) % AGE_RANGE);
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FieldArray fields = {
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{"name", name},
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{"address", address},
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{"age", age}
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};
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if (address == "Shanghai") {
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shanghaiKeys.insert(key);
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}
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if (age == "20") {
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age20Keys.insert(key);
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}
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wb.Put(key, SerializeValue(fields));
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}
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Status s = db->Write(writeOptions, &wb);
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ASSERT_TRUE(s.ok());
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}
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//并发时不一定能读到，加个参数控制
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void GetFieldData(FieldDB *db, bool allowNotFound, int seed = 0) {
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std::cout << "-------getting-------" << std::endl;
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ReadOptions readOptions;
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int key_num = data_size / value_size;
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// 点查
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std::mt19937 rng(seed);
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for (int i = 0; i < 100; i++) {
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int randThisTime = rng();
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int key_ = std::abs(randThisTime) % key_num + 1;
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std::string key = std::to_string(key_);
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FieldArray fields_ret;
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Status s = db->GetFields(readOptions, key, &fields_ret);
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if (!allowNotFound){ //必须读到
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// if (!s.ok()){
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// std::cout << key << std::endl;
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// }
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ASSERT_TRUE(s.ok());
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} else { //不必须读到，但只要读到address必须正确
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if(s.IsNotFound()) continue;
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}
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for (const Field& pairs : fields_ret) {
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if (pairs.first == "name"){
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} else if (pairs.first == "address"){
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std::string city = pairs.second;
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ASSERT_NE(std::find(cities.begin(), cities.end(), city), cities.end());
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} else if (pairs.first == "age"){
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int age = std::stoi(pairs.second);
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ASSERT_TRUE(age >= 0 && age < AGE_RANGE);
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} else assert(false);
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}
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}
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}
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//检查对应种子有没有删除干净
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//删除期间即使其他种子也不能并发写，因为即使种子不同，随机出的key可能相同
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void GetDeleteData(FieldDB *db, int seed = 0) {
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std::cout << "-------getting-------" << std::endl;
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ReadOptions readOptions;
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int key_num = data_size / value_size;
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std::mt19937 rng(seed);
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for (int i = 0; i < 100; i++) {
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int randThisTime = rng();
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int key_ = std::abs(randThisTime) % key_num + 1;
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std::string key = std::to_string(key_);
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FieldArray fields_ret;
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Status s = db->GetFields(readOptions, key, &fields_ret);
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ASSERT_TRUE(s.IsNotFound());
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}
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}
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void findKeysByCity(FieldDB *db) {
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std::cout << "-------getting field address-------" << std::endl;
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Field field = {"address", "Shanghai"};
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std::vector<std::string> resKeys = db->FindKeysByField(field);
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//打印比较，因为shanghaikey可能被后写入的、其他address的key覆盖，打印出的后一个数应该小于前一个数
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//如果随机种子相同，每次打印出的两个数也应该相同
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std::cout << "address: " << shanghaiKeys.size() << " " << resKeys.size() << std::endl;
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for (const std::string &key : resKeys){
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ASSERT_TRUE(shanghaiKeys.haveKey(key));
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}
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}
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// haveIndex表明数据库有没有该索引（address）
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void findKeysByCityIndex(FieldDB *db, bool haveIndex) {
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std::cout << "-------getting field address by index-------" << std::endl;
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Field field = {"address", "Shanghai"};
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Status s;
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std::vector<std::string> resKeys = db->QueryByIndex(field, &s);
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if (haveIndex) ASSERT_TRUE(s.ok());
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else {
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ASSERT_TRUE(s.IsNotFound());
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return;
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}
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std::cout << "address: " << shanghaiKeys.size() << " " << resKeys.size() << std::endl;//打印比较
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for (const std::string &key : resKeys){
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ASSERT_TRUE(shanghaiKeys.haveKey(key));
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}
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}
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void findKeysByAgeIndex(FieldDB *db, bool haveIndex) {
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std::cout << "-------getting field age by index-------" << std::endl;
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Field field = {"age", "20"};
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Status s;
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std::vector<std::string> resKeys = db->QueryByIndex(field, &s);
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if (haveIndex) ASSERT_TRUE(s.ok());
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else {
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ASSERT_TRUE(s.IsNotFound());
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return;
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}
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std::cout << "age: " << age20Keys.size() << " " << resKeys.size() << std::endl;
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for (const std::string &key : resKeys){
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ASSERT_TRUE(age20Keys.haveKey(key));
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}
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}
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void checkDataInKVAndIndex(FieldDB *db, std::string fieldName = "address") {
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Field field;
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if (fieldName == "address") field = {"address", "Shanghai"};
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else if (fieldName == "age") field = {"age", "20"};
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else assert(0);//只支持这两个字段检查
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Status s;
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std::vector<std::string> resKeys1 = db->QueryByIndex(field, &s); //indexdb根据索引查到的数据
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std::vector<std::string> resKeys2 = db->FindKeysByField(field); //kvdb强行遍历查到的数据
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std::sort(resKeys1.begin(), resKeys1.end());
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std::sort(resKeys2.begin(), resKeys2.end());
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std::cout << resKeys1.size() << " " << resKeys2.size() << std::endl;
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ASSERT_EQ(resKeys1, resKeys2);
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}
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