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#include "catch.hpp"
#include "duckdb/common/radix.hpp"
#include "test_helpers.hpp"
#include <cfloat>
#include <iostream>
using namespace duckdb;
using namespace std;
TEST_CASE("Test ART index with rollbacks", "[art][.]") {
duckdb::unique_ptr<QueryResult> result;
DuckDB db(nullptr);
Connection con(db);
REQUIRE_NO_FAIL(con.Query("CREATE TABLE integers(i INTEGER)"));
REQUIRE_NO_FAIL(con.Query("CREATE INDEX i_index ON integers using art(i)"));
idx_t count = 0;
for (int32_t it = 0; it < 10; it++) {
for (int32_t val = 0; val < 1000; val++) {
REQUIRE_NO_FAIL(con.Query("BEGIN TRANSACTION"));
REQUIRE_NO_FAIL(con.Query("INSERT INTO integers VALUES ($1)", val));
if (it + val % 2) {
count++;
REQUIRE_NO_FAIL(con.Query("COMMIT"));
} else {
REQUIRE_NO_FAIL(con.Query("ROLLBACK"));
}
}
}
result = con.Query("SELECT COUNT(*) FROM integers");
REQUIRE(CHECK_COLUMN(result, 0, {Value::BIGINT(count)}));
result = con.Query("SELECT COUNT(*) FROM integers WHERE i < 1000000");
REQUIRE(CHECK_COLUMN(result, 0, {Value::BIGINT(count)}));
}
// If you directly use RAND_MAX:
// > warning: implicit conversion from 'int' to 'float' changes value from 2147483647 to 2147483648
constexpr float RAND_MAX_FLOAT = static_cast<float>(static_cast<double>(RAND_MAX));
float generate_small_float() {
return static_cast<float>(rand()) / RAND_MAX_FLOAT;
}
float generate_float(float min_float, float max_float) {
return min_float + static_cast<float>(rand()) / (RAND_MAX_FLOAT / (max_float - min_float));
}
double generate_small_double() {
return static_cast<double>(rand()) / static_cast<double>(RAND_MAX);
}
double generate_double(double min_double, double max_double) {
return min_double + static_cast<double>(rand()) / (static_cast<double>(RAND_MAX / (max_double - min_double)));
}
template <class T>
int full_scan(T *keys, idx_t size, T low, T high) {
int sum = 0;
for (idx_t i = 0; i < size; i++) {
if (keys[i] >= low && keys[i] <= high) {
sum += 1;
}
}
return sum;
}
TEST_CASE("ART Floating Point Small", "[art-float-small]") {
duckdb::unique_ptr<QueryResult> result;
DuckDB db(nullptr);
int64_t a, b;
duckdb::vector<int64_t> min_values, max_values;
Connection con(db);
// Will use 100 keys
idx_t n = 100;
auto keys = duckdb::unique_ptr<int64_t[]>(new int64_t[n]);
REQUIRE_NO_FAIL(con.Query("CREATE TABLE numbers(i BIGINT)"));
// Generate 10 small floats (0.0 - 1.0)
for (idx_t i = 0; i < n / 10; i++) {
keys[i] = Radix::EncodeFloat(generate_small_float());
}
// Generate 40 floats (-50/50)
for (idx_t i = n / 10; i < n / 2; i++) {
keys[i] = Radix::EncodeFloat(generate_float(-50, 50));
}
// Generate 50 floats (min/max)
for (idx_t i = n / 2; i < n; i++) {
keys[i] = Radix::EncodeFloat(generate_float(FLT_MIN, FLT_MAX));
}
// Insert values and create index
REQUIRE_NO_FAIL(con.Query("BEGIN TRANSACTION"));
for (idx_t i = 0; i < n; i++) {
REQUIRE_NO_FAIL(con.Query("INSERT INTO numbers VALUES (" + to_string(keys[i]) + ")"));
}
REQUIRE_NO_FAIL(con.Query("COMMIT"));
REQUIRE_NO_FAIL(con.Query("CREATE INDEX i_index ON numbers(i)"));
// Generate 500 small-small range queries
for (idx_t i = 0; i < 5; i++) {
a = Radix::EncodeFloat(generate_small_float());
b = Radix::EncodeFloat(generate_small_float());
min_values.push_back(min(a, b));
max_values.push_back(max(a, b));
}
// Generate 500 normal-normal range queries
for (idx_t i = 0; i < 5; i++) {
a = Radix::EncodeFloat(generate_float(-50, 50));
b = Radix::EncodeFloat(generate_float(-50, 50));
min_values.push_back(min(a, b));
max_values.push_back(max(a, b));
}
// Generate 500 big-big range queries
for (idx_t i = 0; i < 5; i++) {
a = Radix::EncodeFloat(generate_float(FLT_MIN, FLT_MAX));
b = Radix::EncodeFloat(generate_float(FLT_MIN, FLT_MAX));
min_values.push_back(min(a, b));
max_values.push_back(max(a, b));
}
for (idx_t i = 0; i < min_values.size(); i++) {
int64_t low = Radix::EncodeFloat(min_values[i]);
int64_t high = Radix::EncodeFloat(max_values[i]);
int answer = full_scan<int64_t>(keys.get(), n, low, high);
string query =
"SELECT COUNT(i) FROM numbers WHERE i >= " + to_string(low) + " and i <= " + to_string(high) + ";";
result = con.Query(query);
if (!CHECK_COLUMN(result, 0, {answer})) {
cout << "Wrong answer on floating point real-small!" << std::endl << "Queries to reproduce:" << std::endl;
cout << "CREATE TABLE numbers(i BIGINT);" << std::endl;
for (idx_t k = 0; k < n; k++) {
cout << "INSERT INTO numbers VALUES (" << keys[k] << ");" << std::endl;
}
cout << query << std::endl;
REQUIRE(false);
}
}
REQUIRE_NO_FAIL(con.Query("DROP INDEX i_index"));
REQUIRE_NO_FAIL(con.Query("DROP TABLE numbers"));
}
TEST_CASE("ART Floating Point Double Small", "[art-double-small]") {
duckdb::unique_ptr<QueryResult> result;
DuckDB db(nullptr);
int64_t a, b;
duckdb::vector<int64_t> min_values, max_values;
Connection con(db);
// Will use 100 keys
idx_t n = 100;
auto keys = duckdb::unique_ptr<int64_t[]>(new int64_t[n]);
REQUIRE_NO_FAIL(con.Query("CREATE TABLE numbers(i BIGINT)"));
// Generate 10 small floats (0.0 - 1.0)
for (idx_t i = 0; i < n / 10; i++) {
keys[i] = Radix::EncodeFloat(generate_small_float());
}
// Generate 40 floats (-50/50)
for (idx_t i = n / 10; i < n / 2; i++) {
keys[i] = Radix::EncodeFloat(generate_float(-50, 50));
}
// Generate 50 floats (min/max)
for (idx_t i = n / 2; i < n; i++) {
keys[i] = Radix::EncodeFloat(generate_float(FLT_MIN, FLT_MAX));
}
// Insert values and create index
REQUIRE_NO_FAIL(con.Query("BEGIN TRANSACTION"));
for (idx_t i = 0; i < n; i++) {
REQUIRE_NO_FAIL(con.Query("INSERT INTO numbers VALUES (" + to_string(keys[i]) + ")"));
}
REQUIRE_NO_FAIL(con.Query("COMMIT"));
REQUIRE_NO_FAIL(con.Query("CREATE INDEX i_index ON numbers(i)"));
// Generate 500 small-small range queries
for (idx_t i = 0; i < 5; i++) {
a = Radix::EncodeDouble(generate_small_double());
b = Radix::EncodeDouble(generate_small_double());
min_values.push_back(min(a, b));
max_values.push_back(max(a, b));
}
// Generate 500 normal-normal range queries
for (idx_t i = 0; i < 5; i++) {
a = Radix::EncodeDouble(generate_double(-50, 50));
b = Radix::EncodeDouble(generate_double(-50, 50));
min_values.push_back(min(a, b));
max_values.push_back(max(a, b));
}
// Generate 500 big-big range queries
for (idx_t i = 0; i < 5; i++) {
a = Radix::EncodeDouble(generate_double(FLT_MIN, FLT_MAX));
b = Radix::EncodeDouble(generate_double(FLT_MIN, FLT_MAX));
min_values.push_back(min(a, b));
max_values.push_back(max(a, b));
}
for (idx_t i = 0; i < min_values.size(); i++) {
int64_t low = Radix::EncodeDouble(min_values[i]);
int64_t high = Radix::EncodeDouble(max_values[i]);
int answer = full_scan<int64_t>(keys.get(), n, low, high);
string query =
"SELECT COUNT(i) FROM numbers WHERE i >= " + to_string(low) + " and i <= " + to_string(high) + ";";
result = con.Query(query);
if (!CHECK_COLUMN(result, 0, {answer})) {
cout << "Wrong answer on double!" << std::endl << "Queries to reproduce:" << std::endl;
cout << "CREATE TABLE numbers(i BIGINT);" << std::endl;
for (idx_t k = 0; k < n; k++) {
cout << "INSERT INTO numbers VALUES (" << keys[k] << ");" << std::endl;
}
cout << query << std::endl;
REQUIRE(false);
}
}
REQUIRE_NO_FAIL(con.Query("DROP INDEX i_index"));
REQUIRE_NO_FAIL(con.Query("DROP TABLE numbers"));
}
TEST_CASE("ART Floating Point", "[art-float][.]") {
duckdb::unique_ptr<QueryResult> result;
DuckDB db(nullptr);
int64_t a, b;
duckdb::vector<int64_t> min_values, max_values;
Connection con(db);
// Will use 10k keys
idx_t n = 10000;
auto keys = duckdb::unique_ptr<int64_t[]>(new int64_t[n]);
REQUIRE_NO_FAIL(con.Query("CREATE TABLE numbers(i BIGINT)"));
// Generate 1000 small floats (0.0 - 1.0)
for (idx_t i = 0; i < n / 10; i++) {
keys[i] = Radix::EncodeFloat(generate_small_float());
}
// Generate 4000 floats (-50/50)
for (idx_t i = n / 10; i < n / 2; i++) {
keys[i] = Radix::EncodeFloat(generate_float(-50, 50));
}
// Generate 5000 floats (min/max)
for (idx_t i = n / 2; i < n; i++) {
keys[i] = Radix::EncodeFloat(generate_float(FLT_MIN, FLT_MAX));
}
// Insert values and create index
REQUIRE_NO_FAIL(con.Query("BEGIN TRANSACTION"));
for (idx_t i = 0; i < n; i++) {
REQUIRE_NO_FAIL(con.Query("INSERT INTO numbers VALUES (" + to_string(keys[i]) + ")"));
}
REQUIRE_NO_FAIL(con.Query("COMMIT"));
REQUIRE_NO_FAIL(con.Query("CREATE INDEX i_index ON numbers(i)"));
// Generate 500 small-small range queries
for (idx_t i = 0; i < 500; i++) {
a = Radix::EncodeFloat(generate_small_float());
b = Radix::EncodeFloat(generate_small_float());
min_values.push_back(min(a, b));
max_values.push_back(max(a, b));
}
// Generate 500 normal-normal range queries
for (idx_t i = 0; i < 500; i++) {
a = Radix::EncodeFloat(generate_float(-50, 50));
b = Radix::EncodeFloat(generate_float(-50, 50));
min_values.push_back(min(a, b));
max_values.push_back(max(a, b));
}
// Generate 500 big-big range queries
for (idx_t i = 0; i < 500; i++) {
a = Radix::EncodeFloat(generate_float(FLT_MIN, FLT_MAX));
b = Radix::EncodeFloat(generate_float(FLT_MIN, FLT_MAX));
min_values.push_back(min(a, b));
max_values.push_back(max(a, b));
}
for (idx_t i = 0; i < min_values.size(); i++) {
int64_t low = Radix::EncodeFloat(min_values[i]);
int64_t high = Radix::EncodeFloat(max_values[i]);
int answer = full_scan<int64_t>(keys.get(), n, low, high);
string query =
"SELECT COUNT(i) FROM numbers WHERE i >= " + to_string(low) + " and i <= " + to_string(high) + ";";
result = con.Query(query);
if (!CHECK_COLUMN(result, 0, {answer})) {
cout << "Wrong answer on floating point real-small!" << std::endl << "Queries to reproduce:" << std::endl;
cout << "CREATE TABLE numbers(i BIGINT);" << std::endl;
for (idx_t k = 0; k < n; k++) {
cout << "INSERT INTO numbers VALUES (" << keys[k] << ");" << std::endl;
}
cout << query << std::endl;
REQUIRE(false);
}
}
REQUIRE_NO_FAIL(con.Query("DROP INDEX i_index"));
REQUIRE_NO_FAIL(con.Query("DROP TABLE numbers"));
}
TEST_CASE("ART Floating Point Double", "[art-double][.]") {
duckdb::unique_ptr<QueryResult> result;
DuckDB db(nullptr);
int64_t a, b;
duckdb::vector<int64_t> min_values, max_values;
Connection con(db);
// Will use 10000 keys
idx_t n = 10000;
auto keys = duckdb::unique_ptr<int64_t[]>(new int64_t[n]);
con.Query("CREATE TABLE numbers(i BIGINT)");
// Generate 1000 small floats (0.0 - 1.0)
for (idx_t i = 0; i < n / 10; i++) {
keys[i] = Radix::EncodeFloat(generate_small_float());
}
// Generate 4000 floats (-50/50)
for (idx_t i = n / 10; i < n / 2; i++) {
keys[i] = Radix::EncodeFloat(generate_float(-50, 50));
}
// Generate 5000 floats (min/max)
for (idx_t i = n / 2; i < n; i++) {
keys[i] = Radix::EncodeFloat(generate_float(FLT_MIN, FLT_MAX));
}
// Insert values and create index
REQUIRE_NO_FAIL(con.Query("BEGIN TRANSACTION"));
for (idx_t i = 0; i < n; i++) {
REQUIRE_NO_FAIL(con.Query("INSERT INTO numbers VALUES (" + to_string(keys[i]) + ")"));
}
REQUIRE_NO_FAIL(con.Query("COMMIT"));
REQUIRE_NO_FAIL(con.Query("CREATE INDEX i_index ON numbers(i)"));
// Generate 500 small-small range queries
for (idx_t i = 0; i < 500; i++) {
a = Radix::EncodeDouble(generate_small_double());
b = Radix::EncodeDouble(generate_small_double());
min_values.push_back(min(a, b));
max_values.push_back(max(a, b));
}
// Generate 500 normal-normal range queries
for (idx_t i = 0; i < 500; i++) {
a = Radix::EncodeDouble(generate_double(-50, 50));
b = Radix::EncodeDouble(generate_double(-50, 50));
min_values.push_back(min(a, b));
max_values.push_back(max(a, b));
}
// Generate 500 big-big range queries
for (idx_t i = 0; i < 500; i++) {
a = Radix::EncodeDouble(generate_double(FLT_MIN, FLT_MAX));
b = Radix::EncodeDouble(generate_double(FLT_MIN, FLT_MAX));
min_values.push_back(min(a, b));
max_values.push_back(max(a, b));
}
for (idx_t i = 0; i < min_values.size(); i++) {
int64_t low = Radix::EncodeDouble(min_values[i]);
int64_t high = Radix::EncodeDouble(max_values[i]);
int answer = full_scan<int64_t>(keys.get(), n, low, high);
string query =
"SELECT COUNT(i) FROM numbers WHERE i >= " + to_string(low) + " and i <= " + to_string(high) + ";";
result = con.Query(query);
if (!CHECK_COLUMN(result, 0, {answer})) {
cout << "Wrong answer on floating point real-small!" << std::endl << "Queries to reproduce:" << std::endl;
cout << "CREATE TABLE numbers(i BIGINT);" << std::endl;
for (idx_t k = 0; k < n; k++) {
cout << "INSERT INTO numbers VALUES (" << keys[k] << ");" << std::endl;
}
cout << query << std::endl;
REQUIRE(false);
}
}
REQUIRE_NO_FAIL(con.Query("DROP INDEX i_index"));
REQUIRE_NO_FAIL(con.Query("DROP TABLE numbers"));
}
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