mirror of
https://github.com/rbock/sqlpp11.git
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caee00e849
Changed sqlite3 usage tests to be linked into one executable. This provokes multiple definition errors for non-inlined free functions. Also ran clang-format on the changed headers.
103 lines
3.5 KiB
C++
103 lines
3.5 KiB
C++
#include "BlobSample.h"
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#include <sqlpp11/sqlite3/connection.h>
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#include <sqlpp11/sqlpp11.h>
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#ifdef SQLPP_USE_SQLCIPHER
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#include <sqlcipher/sqlite3.h>
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#else
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#include <sqlite3.h>
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#endif
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#include <functional>
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#include <iostream>
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#include <random>
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namespace sql = sqlpp::sqlite3;
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const auto blob = BlobSample{};
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/*
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* max default blob/text is 1,000,000,000
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* But 999,999,993 is the biggest one SQLITE will accept
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* without throwing SQLITE_TOOBIG
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* But it takes too long (over 5s) to generate and check
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*/
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constexpr size_t blob_size = 1000 * 1000ul;
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constexpr size_t blob_small_size = 999;
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void verify_blob(sql::connection& db, const std::vector<uint8_t>& data, uint64_t id)
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{
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auto result = db(select(blob.data).from(blob).where(blob.id == id));
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const auto& result_row = result.front();
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std::cerr << "Insert size: " << data.size() << std::endl;
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std::cerr << "Select size: " << result_row.data.len << std::endl;
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if (data.size() != result_row.data.len)
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{
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std::cerr << "Size mismatch" << std::endl;
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throw std::runtime_error("Size mismatch " + std::to_string(data.size()) +
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" != " + std::to_string(result_row.data.len));
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}
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std::cerr << "Verifying content" << std::endl;
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std::vector<uint8_t> result_blob(result_row.data.blob, result_row.data.blob + result_row.data.len);
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if (data != result_blob)
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{
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std::cout << "Content mismatch ([row] original -> received)" << std::endl;
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for (size_t i = 0; i < data.size(); i++)
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{
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if (data[i] != result_row.data.blob[i])
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{
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std::cerr << "[" << i << "] " << static_cast<int>(data.at(i)) << " -> " << static_cast<int>(result_blob.at(i))
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<< std::endl;
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}
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}
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throw std::runtime_error("Content mismatch");
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}
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}
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int Blob(int, char*[])
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{
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sql::connection_config config;
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config.path_to_database = ":memory:";
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config.flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE;
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config.debug = true;
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sql::connection db(config);
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db.execute(R"(CREATE TABLE blob_sample (
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id INTEGER PRIMARY KEY,
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data blob
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))");
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std::cerr << "Generating data " << blob_size << std::endl;
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std::vector<uint8_t> data(blob_size);
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std::uniform_int_distribution<unsigned short> distribution(0, 255);
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std::mt19937 engine;
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auto generator = std::bind(distribution, engine);
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std::generate_n(data.begin(), blob_size, generator);
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std::vector<uint8_t> data_smaller(blob_small_size);
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std::generate_n(data_smaller.begin(), blob_small_size, generator);
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// If we use the bigger blob it will trigger SQLITE_TOOBIG for the query
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auto id = db(insert_into(blob).set(blob.data = data_smaller));
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auto prepared_insert = db.prepare(insert_into(blob).set(blob.data = parameter(blob.data)));
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prepared_insert.params.data = data;
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auto prep_id = db(prepared_insert);
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prepared_insert.params.data.set_null();
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auto null_id = db(prepared_insert);
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verify_blob(db, data_smaller, id);
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verify_blob(db, data, prep_id);
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{
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auto result = db(select(blob.data).from(blob).where(blob.id == null_id));
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const auto& result_row = result.front();
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std::cerr << "Null blob is_null:\t" << std::boolalpha << result_row.data.is_null() << std::endl;
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std::cerr << "Null blob len == 0:\t" << std::boolalpha << (result_row.data.len == 0) << std::endl;
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std::cerr << "Null blob blob == nullptr:\t" << std::boolalpha << (result_row.data.blob == nullptr) << std::endl;
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if (!result_row.data.is_null() || result_row.data.len != 0 || result_row.data.blob != nullptr)
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{
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throw std::runtime_error("Null blob has incorrect values");
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}
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}
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return 0;
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}
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