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Added operations on time stamps (#24)

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Dr. Patrick Urbanke (劉自成)
2025-07-02 20:04:50 +02:00
committed by GitHub
parent aa1a96f1c0
commit f95156df77
30 changed files with 1410 additions and 436 deletions
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78
tests/sqlite/test_select_from_with_timestamps.cpp Normal file
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#include <gtest/gtest.h>
#include <chrono>
#include <ranges>
#include <rfl.hpp>
#include <rfl/json.hpp>
#include <sqlgen.hpp>
#include <sqlgen/sqlite.hpp>
#include <vector>
namespace test_range_select_from_with_timestamps {
struct Person {
sqlgen::PrimaryKey<uint32_t, sqlgen::auto_incr> id;
std::string first_name;
std::string last_name;
sqlgen::Date birthday;
};
TEST(sqlite, test_range_select_from_with_timestamps) {
const auto people1 =
std::vector<Person>({Person{.first_name = "Homer",
.last_name = "Simpson",
.birthday = sqlgen::Date("1970-01-01")},
Person{.first_name = "Bart",
.last_name = "Simpson",
.birthday = sqlgen::Date("2000-01-01")},
Person{.first_name = "Lisa",
.last_name = "Simpson",
.birthday = sqlgen::Date("2002-01-01")},
Person{.first_name = "Maggie",
.last_name = "Simpson",
.birthday = sqlgen::Date("2010-01-01")}});
using namespace sqlgen;
struct Birthday {
Date birthday;
Date birthday_recreated;
time_t birthday_unixepoch;
double age_in_days;
int hour;
int minute;
int second;
int weekday;
};
const auto get_birthdays =
select_from<Person>(
("birthday"_c + std::chrono::days(10)) | as<"birthday">,
((cast<Date>(concat(cast<std::string>(year("birthday"_c)), "-",
cast<std::string>(month("birthday"_c)), "-",
cast<std::string>(day("birthday"_c)))))) |
as<"birthday_recreated">,
days_between("birthday"_c, Date("2011-01-01")) | as<"age_in_days">,
unixepoch("birthday"_c + std::chrono::days(10)) |
as<"birthday_unixepoch">,
hour("birthday"_c) | as<"hour">, minute("birthday"_c) | as<"minute">,
second("birthday"_c) | as<"second">,
weekday("birthday"_c) | as<"weekday">) |
order_by("id"_c) | to<std::vector<Birthday>>;
const auto birthdays = sqlite::connect()
.and_then(write(std::ref(people1)))
.and_then(get_birthdays)
.value();
const std::string expected_query =
R"(SELECT datetime("birthday", '+10 days') AS "birthday", cast((cast(cast(strftime('%Y', "birthday") as INT) as TEXT) || '-' || cast(cast(strftime('%m', "birthday") as INT) as TEXT) || '-' || cast(cast(strftime('%d', "birthday") as INT) as TEXT)) as TEXT) AS "birthday_recreated", julianday('2011-01-01') - julianday("birthday") AS "age_in_days", unixepoch(datetime("birthday", '+10 days'), 'subsec') AS "birthday_unixepoch", cast(strftime('%H', "birthday") as INT) AS "hour", cast(strftime('%M', "birthday") as INT) AS "minute", cast(strftime('%S', "birthday") as INT) AS "second", cast(strftime('%w', "birthday") as INT) AS "weekday" FROM "Person" ORDER BY "id";)";
const std::string expected =
R"([{"birthday":"1970-01-11","birthday_recreated":"1970-01-01","birthday_unixepoch":864000,"age_in_days":14975.0,"hour":0,"minute":0,"second":0,"weekday":4},{"birthday":"2000-01-11","birthday_recreated":"2000-01-01","birthday_unixepoch":947548800,"age_in_days":4018.0,"hour":0,"minute":0,"second":0,"weekday":6},{"birthday":"2002-01-11","birthday_recreated":"2002-01-01","birthday_unixepoch":1010707200,"age_in_days":3287.0,"hour":0,"minute":0,"second":0,"weekday":2},{"birthday":"2010-01-11","birthday_recreated":"2010-01-01","birthday_unixepoch":1263168000,"age_in_days":365.0,"hour":0,"minute":0,"second":0,"weekday":5}])";
EXPECT_EQ(sqlite::to_sql(get_birthdays), expected_query);
EXPECT_EQ(rfl::json::write(birthdays), expected);
}
} // namespace test_range_select_from_with_timestamps