sqlgen/tests/mysql/test_to_select_from2_dry.cpp

#include <gtest/gtest.h>

#include <sqlgen.hpp>
#include <sqlgen/mysql.hpp>

namespace test_to_select_from2_dry {

struct TestTable {
  std::string field1;
  int32_t field2;
  sqlgen::PrimaryKey<uint32_t> id;
  std::optional<std::string> nullable;
};

TEST(mysql, test_to_select_from2_dry) {
  using namespace sqlgen;
  using namespace sqlgen::literals;

  const auto query =
      select_from<TestTable>("field1"_c.as<"field">(),
                             avg("field2"_c).as<"avg_field2">(),
                             "nullable"_c | as<"nullable_field">, as<"one">(1),
                             "hello" | as<"hello">) |
      where("id"_c > 0) | group_by("field1"_c, "nullable"_c) |
      order_by("field1"_c) | limit(10);

  const auto expected =
      R"(SELECT `field1` AS `field`, AVG(`field2`) AS `avg_field2`, `nullable` AS `nullable_field`, 1 AS `one`, 'hello' AS `hello` FROM `TestTable` WHERE `id` > 0 GROUP BY `field1`, `nullable` ORDER BY `field1` LIMIT 10)";

  EXPECT_EQ(sqlgen::mysql::to_sql(query), expected);
}
}  // namespace test_to_select_from2_dry