98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
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#include <cstdlib>
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#include <ctime>
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#include <iostream>
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#include <sqlite3.h>
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#include <string>
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#include <sstream>
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#include "db_info.h"
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#include "LicenceOperations.h"
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constexpr int totalLicences = 50'000'000;
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constexpr float offenceRate = 0.2;
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/// Generate a random string of numbers and letters
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/// ASCII letters are contiguous so juste add a random offset to 'a'.
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std::string createRandomID() {
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char newID[IDLength];
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for (char& idChar : newID) {
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if (rand() % 2) {
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idChar = 'a' + rand() % 26;
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} else {
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idChar = '0' + rand() % 10;
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}
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}
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return newID;
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}
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int main()
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{
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srand(time(nullptr));
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sqlite3* db;
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char* errorMessage = nullptr;
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int errorCode;
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errorCode = sqlite3_open(dbName.c_str(), &db);
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// errorCode = sqlite3_open("TestDB.sqlite3", &db);
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if (errorCode) {
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std::cerr << "Error opening database" << std::endl << sqlite3_errmsg(db) << std::endl;
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sqlite3_close(db);
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return -1;
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}
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errorCode = sqlite3_exec(db, ("CREATE TABLE IF NOT EXISTS " + pointsTable + "("
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+ keyColumn + " UNSIGNED BIG INT PRIMARY KEY NOT NULL,"
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+ idColumn + " TEXT NOT NULL,"
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+ pointsColumn + " INT NOT NULL,"
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+ countdownColumn + " INT NOT NULL,"
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+ onePointCountdownColumn + " INT NOT NULL,"
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+ tenYearsCountdownColumn + " INT NOT NULL,"
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+ graveOffenceColumn + " INT NOT NULL);").c_str(),
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nullptr, nullptr, &errorMessage);
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if (errorCode) {
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dbError("Error creating table " + pointsTable, errorMessage);
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sqlite3_close(db);
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return -1;
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}
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// Batch all inits
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errorCode = sqlite3_exec(db, "BEGIN TRANSACTION;", nullptr, nullptr, &errorMessage);
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if (errorCode) {
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dbError("Error while beginning transaction", errorMessage);
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sqlite3_close(db);
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return -1;
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}
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std::ios::sync_with_stdio(false);
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std::time_t startTime = std::time(nullptr);
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for (int i = 0; i < totalLicences; i++) {
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const std::string& ID = createRandomID();
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errorCode = addNewLicence(db, ID);
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if (rand() < RAND_MAX * offenceRate) {
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applyOffence(db, ID, rand() % 6 + 1, (offenceClass)(rand() % 5 + 1));
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}
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if (!(i % 10000)) {
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std::cout << "Created " << i << " licences" << std::endl;
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}
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if (errorCode) {
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break;
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}
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}
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errorCode = sqlite3_exec(db, "END TRANSACTION;", nullptr, nullptr, &errorMessage);
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if (errorCode) {
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dbError("Error while closing transaction", errorMessage);
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sqlite3_close(db);
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return -1;
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}
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std::cout << "Db created successfully !" << std::endl;
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std::cout << totalLicences << " licences created in " << std::time(nullptr) - startTime << std::endl;
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sqlite3_close(db);
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return 0;
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}
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