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libmdbx/test/extra/dupfix_multiple.c++

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/// \author Леонид Юрьев aka Leonid Yuriev <leo@yuriev.ru> \date 2015-2024
/// \copyright SPDX-License-Identifier: Apache-2.0
#include "mdbx.h++"
#include <array>
#include <iostream>
int doit() {
mdbx::path db_filename = "test-dupfix-multiple";
mdbx::env_managed::remove(db_filename);
mdbx::env_managed env(db_filename, mdbx::env_managed::create_parameters(),
mdbx::env::operate_parameters());
using buffer =
mdbx::buffer<mdbx::default_allocator, mdbx::default_capacity_policy>;
auto txn = env.start_write();
auto map = txn.create_map(nullptr, mdbx::key_mode::ordinal,
mdbx::value_mode::multi_ordinal);
txn.insert(map, buffer::key_from_u64(21), buffer::key_from_u64(18));
txn.insert(map, buffer::key_from_u64(7), buffer::key_from_u64(19));
txn.insert(map, buffer::key_from_u64(22), buffer::key_from_u64(17));
txn.insert(map, buffer::key_from_u64(26), buffer::key_from_u64(13));
txn.insert(map, buffer::key_from_u64(24), buffer::key_from_u64(15));
txn.insert(map, buffer::key_from_u64(23), buffer::key_from_u64(16));
txn.insert(map, buffer::key_from_u64(25), buffer::key_from_u64(14));
txn.insert(map, buffer::key_from_u64(27), buffer::key_from_u64(12));
txn.commit();
txn = env.start_read();
auto cursor = txn.open_cursor(map);
if (cursor.to_first().value.as_uint64() != 19 ||
cursor.to_next().value.as_uint64() != 18 ||
cursor.to_next().value.as_uint64() != 17 ||
cursor.to_next().value.as_uint64() != 16 ||
cursor.to_next().value.as_uint64() != 15 ||
cursor.to_next().value.as_uint64() != 14 ||
cursor.to_next().value.as_uint64() != 13 ||
cursor.to_next().value.as_uint64() != 12 || cursor.to_next(false).done ||
!cursor.eof()) {
std::cerr << "Fail\n";
return EXIT_FAILURE;
}
txn.abort();
const uint64_t array[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 42, 17, 99, 0, 33, 333};
txn = env.start_write();
txn.put_multiple_samelength(map, buffer::key_from_u64(13), array + 3, 4,
mdbx::upsert);
txn.put_multiple_samelength(map, buffer::key_from_u64(10), array + 0, 1,
mdbx::upsert);
txn.put_multiple_samelength(map, buffer::key_from_u64(12), array + 2, 3,
mdbx::upsert);
txn.put_multiple_samelength(map, buffer::key_from_u64(15), array + 5, 6,
mdbx::upsert);
txn.put_multiple_samelength(map, buffer::key_from_u64(14), array + 4, 5,
mdbx::upsert);
txn.put_multiple_samelength(map, buffer::key_from_u64(11), array + 1, 2,
mdbx::upsert);
txn.put_multiple_samelength(map, buffer::key_from_u64(16), array + 6, 7,
mdbx::upsert);
txn.commit();
txn = env.start_read();
cursor = txn.open_cursor(map);
if (/* key = 7 */ cursor.to_first().value.as_uint64() != 19 ||
/* key = 10: 1 элемент */
cursor.to_next().value.as_uint64() != 1 ||
/* key = 11: 2 элемента, пропуск 1 */
cursor.to_next().value.as_uint64() != 2 ||
cursor.to_next().value.as_uint64() != 3 ||
/* key = 12: 3 элемента, пропуск 2 */
cursor.to_next().value.as_uint64() != 3 ||
cursor.to_next().value.as_uint64() != 4 ||
cursor.to_next().value.as_uint64() != 5 ||
/* key = 13: 4 элемента, пропуск 3 */
cursor.to_next().value.as_uint64() != 4 ||
cursor.to_next().value.as_uint64() != 5 ||
cursor.to_next().value.as_uint64() != 6 ||
cursor.to_next().value.as_uint64() != 7 ||
/* key = 14: 5 элементов, пропуск 4 */
cursor.to_next().value.as_uint64() != 5 ||
cursor.to_next().value.as_uint64() != 6 ||
cursor.to_next().value.as_uint64() != 7 ||
cursor.to_next().value.as_uint64() != 8 ||
cursor.to_next().value.as_uint64() != 9 ||
/* key = 15: 6 элементов, пропуск 5 */
cursor.to_next().value.as_uint64() != 6 ||
cursor.to_next().value.as_uint64() != 7 ||
cursor.to_next().value.as_uint64() != 8 ||
cursor.to_next().value.as_uint64() != 9 ||
cursor.to_next().value.as_uint64() != 17 ||
cursor.to_next().value.as_uint64() != 42 ||
/* key = 16: 7 элементов, пропуск 6 */
cursor.to_next().value.as_uint64() != 0 ||
cursor.to_next().value.as_uint64() != 7 ||
cursor.to_next().value.as_uint64() != 8 ||
cursor.to_next().value.as_uint64() != 9 ||
cursor.to_next().value.as_uint64() != 17 ||
cursor.to_next().value.as_uint64() != 42 ||
cursor.to_next().value.as_uint64() != 99 ||
/* key = 21 */ cursor.to_next().value.as_uint64() != 18 ||
/* key = 22 */ cursor.to_next().value.as_uint64() != 17 ||
/* key = 23 */ cursor.to_next().value.as_uint64() != 16 ||
/* key = 24 */ cursor.to_next().value.as_uint64() != 15 ||
/* key = 25 */ cursor.to_next().value.as_uint64() != 14 ||
/* key = 26 */ cursor.to_next().value.as_uint64() != 13 ||
/* key = 27 */ cursor.to_next().value.as_uint64() != 12 ||
cursor.to_next(false).done || !cursor.eof()) {
std::cerr << "Fail\n";
return EXIT_FAILURE;
}
txn.abort();
txn = env.start_write();
txn.put_multiple_samelength(map, buffer::key_from_u64(7), array + 3, 4,
mdbx::update);
txn.upsert(map, buffer::key_from_u64(10), buffer::key_from_u64(14));
txn.put_multiple_samelength(map, buffer::key_from_u64(11), array + 4, 5,
mdbx::upsert);
txn.put_multiple_samelength(map, buffer::key_from_u64(12), array + 0, 1,
mdbx::update);
txn.update(map, buffer::key_from_u64(13), buffer::key_from_u64(18));
txn.put_multiple_samelength(map, buffer::key_from_u64(14), array + 2, 3,
mdbx::update);
txn.update(map, buffer::key_from_u64(15), buffer::key_from_u64(13));
txn.put_multiple_samelength(map, buffer::key_from_u64(16), array + 6, 9,
mdbx::update);
txn.update(map, buffer::key_from_u64(21), buffer::key_from_u64(17));
txn.update(map, buffer::key_from_u64(22), buffer::key_from_u64(15));
txn.put_multiple_samelength(map, buffer::key_from_u64(23), array + 1, 2,
mdbx::update);
txn.update(map, buffer::key_from_u64(24), buffer::key_from_u64(16));
txn.put_multiple_samelength(map, buffer::key_from_u64(25), array + 5, 6,
mdbx::update);
txn.upsert(map, buffer::key_from_u64(26), buffer::key_from_u64(12));
txn.put_multiple_samelength(map, buffer::key_from_u64(27), array + 12, 3,
mdbx::update);
txn.commit();
txn = env.start_read();
cursor = txn.open_cursor(map);
if (/* key = 7 */
cursor.to_first().value.as_uint64() != 4 ||
cursor.to_next().value.as_uint64() != 5 ||
cursor.to_next().value.as_uint64() != 6 ||
cursor.to_next().value.as_uint64() != 7 ||
/* key = 10: 1 элемент */
cursor.to_next().value.as_uint64() != 1 ||
/* +1 upsert */
cursor.to_next().value.as_uint64() != 14 ||
/* key = 11: 2 элемента, пропуск 1 */
cursor.to_next().value.as_uint64() != 2 ||
cursor.to_next().value.as_uint64() != 3 ||
/* +5 элементов, пропуск 4 */
cursor.to_next().value.as_uint64() != 5 ||
cursor.to_next().value.as_uint64() != 6 ||
cursor.to_next().value.as_uint64() != 7 ||
cursor.to_next().value.as_uint64() != 8 ||
cursor.to_next().value.as_uint64() != 9 ||
/* key = 12: 1 элемент */
cursor.to_next().value.as_uint64() != 1 ||
/* key = 13 */ cursor.to_next().value.as_uint64() != 18 ||
/* key = 14: 3 элемента, пропуск 2 */
cursor.to_next().value.as_uint64() != 3 ||
cursor.to_next().value.as_uint64() != 4 ||
cursor.to_next().value.as_uint64() != 5 ||
/* key = 15 */ cursor.to_next().value.as_uint64() != 13 ||
/* key = 16: 9 элементов, пропуск 6 */
cursor.to_next().value.as_uint64() != 0 ||
cursor.to_next().value.as_uint64() != 7 ||
cursor.to_next().value.as_uint64() != 8 ||
cursor.to_next().value.as_uint64() != 9 ||
cursor.to_next().value.as_uint64() != 17 ||
cursor.to_next().value.as_uint64() != 33 ||
cursor.to_next().value.as_uint64() != 42 ||
cursor.to_next().value.as_uint64() != 99 ||
cursor.to_next().value.as_uint64() != 333 ||
/* key = 21 */ cursor.to_next().value.as_uint64() != 17 ||
/* key = 22 */ cursor.to_next().value.as_uint64() != 15 ||
/* key = 23: 2 элемента, пропуск 1 */
cursor.to_next().value.as_uint64() != 2 ||
cursor.to_next().value.as_uint64() != 3 ||
/* key = 24 */ cursor.to_next().value.as_uint64() != 16 ||
/* key = 25: 6 элемента, пропуск 5 */
cursor.to_next().value.as_uint64() != 6 ||
cursor.to_next().value.as_uint64() != 7 ||
cursor.to_next().value.as_uint64() != 8 ||
cursor.to_next().value.as_uint64() != 9 ||
cursor.to_next().value.as_uint64() != 17 ||
cursor.to_next().value.as_uint64() != 42 ||
/* key = 26, 1+1 upsert */
cursor.to_next().value.as_uint64() != 12 ||
cursor.to_next().value.as_uint64() != 13 ||
/* key = 27: 3 элемента, пропуск 12 */
cursor.to_next().value.as_uint64() != 0 ||
cursor.to_next().value.as_uint64() != 33 ||
cursor.to_next().value.as_uint64() != 333 ||
cursor.to_next(false).done || !cursor.eof()) {
std::cerr << "Fail\n";
return EXIT_FAILURE;
}
txn.abort();
//----------------------------------------------------------------------------
// let dir = tempdir().unwrap();
// let db = Database::open(&dir).unwrap();
// let txn = db.begin_rw_txn().unwrap();
// let table = txn
// .create_table(None, TableFlags::DUP_SORT | TableFlags::DUP_FIXED)
// .unwrap();
// for (k, v) in [
// (b"key1", b"val1"),
// (b"key1", b"val2"),
// (b"key1", b"val3"),
// (b"key2", b"val1"),
// (b"key2", b"val2"),
// (b"key2", b"val3"),
// ] {
// txn.put(&table, k, v, WriteFlags::empty()).unwrap();
// }
// let mut cursor = txn.cursor(&table).unwrap();
// assert_eq!(cursor.first().unwrap(), Some((*b"key1", *b"val1")));
// assert_eq!(cursor.get_multiple().unwrap(), Some(*b"val1val2val3"));
// assert_eq!(cursor.next_multiple::<(), ()>().unwrap(), None);
txn = env.start_write();
txn.clear_map(map);
map = txn.create_map(nullptr, mdbx::key_mode::usual,
mdbx::value_mode::multi_samelength);
txn.upsert(map, mdbx::slice("key1"), mdbx::slice("val1"));
txn.upsert(map, mdbx::pair("key1", "val2"));
txn.upsert(map, mdbx::pair("key1", "val3"));
txn.upsert(map, mdbx::slice("key2"), mdbx::slice("val1"));
txn.upsert(map, mdbx::pair("key2", "val2"));
txn.upsert(map, mdbx::pair("key2", "val3"));
// cursor.close();
cursor = txn.open_cursor(map);
const auto t1 = cursor.to_first();
if (!t1 || t1.key != "key1" || t1.value != "val1") {
std::cerr << "Fail-t1\n";
return EXIT_FAILURE;
}
const auto t2 = cursor.get_multiple_samelength();
if (!t2 || t2.key != "key1" || t2.value != "val1val2val3") {
std::cerr << "Fail-t2\n";
return EXIT_FAILURE;
}
// const auto t3 = cursor.get_multiple_samelength("key2");
// if (!t3 || t3.key != "key2" || t3.value != "val1val2val3") {
// std::cerr << "Fail-t3\n";
// return EXIT_FAILURE;
// }
const auto t4 = cursor.next_multiple_samelength();
if (t4) {
std::cerr << "Fail-t4\n";
return EXIT_FAILURE;
}
std::cout << "OK\n";
return EXIT_SUCCESS;
}
int main(int argc, const char *argv[]) {
(void)argc;
(void)argv;
try {
return doit();
} catch (const std::exception &ex) {
std::cerr << "Exception: " << ex.what() << "\n";
return EXIT_FAILURE;
}
}
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