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<?php
declare(strict_types=1);
namespace Doctrine\DBAL\Tests\Functional;
use Doctrine\DBAL\Exception\InvalidColumnIndex;
use Doctrine\DBAL\Schema\Column;
use Doctrine\DBAL\Schema\PrimaryKeyConstraint;
use Doctrine\DBAL\Schema\Table;
use Doctrine\DBAL\Tests\FunctionalTestCase;
use Doctrine\DBAL\Types\Types;
use PHPUnit\Framework\Attributes\TestWith;
use function strtolower;
class ResultMetadataTest extends FunctionalTestCase
{
protected function setUp(): void
{
$table = Table::editor()
->setUnquotedName('result_metadata_table')
->setColumns(
Column::editor()
->setUnquotedName('test_int')
->setTypeName(Types::INTEGER)
->create(),
)
->setPrimaryKeyConstraint(
PrimaryKeyConstraint::editor()
->setUnquotedColumnNames('test_int')
->create(),
)
->create();
$this->dropAndCreateTable($table);
$this->connection->insert('result_metadata_table', ['test_int' => 1]);
}
public function testColumnNameWithResults(): void
{
$sql = 'SELECT test_int, test_int AS alternate_name FROM result_metadata_table';
$result = $this->connection->executeQuery($sql);
self::assertEquals(2, $result->columnCount());
// Depending on the platform, field names might have different case than in the SQL
// query (for instance, Oracle turns unquoted identifiers into upper case).
self::assertEquals('test_int', strtolower($result->getColumnName(0)));
self::assertEquals('alternate_name', strtolower($result->getColumnName(1)));
}
#[TestWith([2])]
#[TestWith([-1])]
public function testColumnNameWithInvalidIndex(int $index): void
{
$sql = 'SELECT test_int, test_int AS alternate_name FROM result_metadata_table';
$result = $this->connection->executeQuery($sql);
// Consume the result set to avoid issues with unprocessed buffer between tests
$result->fetchAllAssociative();
$this->expectException(InvalidColumnIndex::class);
$result->getColumnName($index);
}
public function testColumnNameWithoutResults(): void
{
$sql = 'SELECT test_int, test_int AS alternate_name FROM result_metadata_table WHERE 1 = 0';
$result = $this->connection->executeQuery($sql);
self::assertEquals(2, $result->columnCount());
self::assertEquals('test_int', strtolower($result->getColumnName(0)));
self::assertEquals('alternate_name', strtolower($result->getColumnName(1)));
}
}
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