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WithStatementTest.php
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<?php
declare(strict_types=1);
namespace PhpMyAdmin\SqlParser\Tests\Parser;
use PhpMyAdmin\SqlParser\Components\WithKeyword;
use PhpMyAdmin\SqlParser\Lexer;
use PhpMyAdmin\SqlParser\Parser;
use PhpMyAdmin\SqlParser\Tests\TestCase;
use PHPUnit\Framework\Attributes\DataProvider;
class WithStatementTest extends TestCase
{
#[DataProvider('parseWith')]
public function testParse(string $test): void
{
$this->runParserTest($test);
}
/** @return string[][] */
public static function parseWith(): array
{
return [
['parser/parseWithStatement'],
['parser/parseWithStatement1'],
['parser/parseWithStatement2'],
['parser/parseWithStatement3'],
['parser/parseWithStatement4'],
['parser/parseWithStatement5'],
['parser/parseWithStatement6'],
['parser/parseWithStatement7'],
['parser/parseWithStatementErr'],
['parser/parseWithStatementErr1'],
['parser/parseWithStatementErr2'],
['parser/parseWithStatementErr3'],
['parser/parseWithStatementErr4'],
['parser/parseWithStatementErr5'],
['parser/parseWithStatementErr6'],
['parser/parseWithStatementErr7'],
['parser/parseWithStatementErr8'],
];
}
public function testWith(): void
{
$sql = <<<'SQL'
WITH categories(identifier, name, parent_id) AS (
SELECT c.identifier, c.name, c.parent_id FROM category c WHERE c.identifier = 'a'
UNION ALL
SELECT c.identifier, c.name, c.parent_id FROM categories, category c WHERE c.identifier = categories.parent_id
), foo AS ( SELECT * FROM test )
SELECT * FROM categories
SQL;
$lexer = new Lexer($sql);
$lexerErrors = $this->getErrorsAsArray($lexer);
$this->assertCount(0, $lexerErrors);
$parser = new Parser($lexer->list);
$parserErrors = $this->getErrorsAsArray($parser);
$this->assertCount(0, $parserErrors);
$this->assertCount(1, $parser->statements);
// phpcs:disable Generic.Files.LineLength.TooLong
$expected = <<<'SQL'
WITH categories(identifier, name, parent_id) AS (SELECT c.identifier, c.name, c.parent_id FROM category AS `c` WHERE c.identifier = 'a' UNION ALL SELECT c.identifier, c.name, c.parent_id FROM categories, category AS `c` WHERE c.identifier = categories.parent_id), foo AS (SELECT * FROM test) SELECT * FROM categories
SQL;
// phpcs:enable
$this->assertEquals($expected, $parser->statements[0]->build());
}
public function testWithRecursive(): void
{
$sql = <<<'SQL'
WITH RECURSIVE number_sequence AS (
SELECT 1 AS `number`
UNION ALL
SELECT `number` + 1
FROM number_sequence
WHERE `number` < 5
)
SELECT * FROM number_sequence;
SQL;
$lexer = new Lexer($sql);
$lexerErrors = $this->getErrorsAsArray($lexer);
$this->assertCount(0, $lexerErrors);
$parser = new Parser($lexer->list);
$parserErrors = $this->getErrorsAsArray($parser);
$this->assertCount(0, $parserErrors);
$this->assertCount(1, $parser->statements);
// phpcs:disable Generic.Files.LineLength.TooLong
$expected = <<<'SQL'
WITH RECURSIVE number_sequence AS (SELECT 1 AS `number` UNION ALL SELECT `number`+ 1 FROM number_sequence WHERE `number` < 5) SELECT * FROM number_sequence
SQL;
// phpcs:enable
$this->assertEquals($expected, $parser->statements[0]->build());
}
public function testWithRecursiveWithers(): void
{
$sql = <<<'SQL'
WITH RECURSIVE cte AS
(
SELECT 1 AS n, CAST('abc' AS CHAR(20)) AS str
UNION ALL
SELECT n + 1, CONCAT(str, str) FROM cte WHERE n < 3
), cte2 AS
(
SELECT 1 AS n, CAST('def' AS CHAR(20)) AS str
UNION ALL
SELECT n + 1, CONCAT(str, str) FROM cte WHERE n < 3
)
SELECT * FROM cte UNION SELECT * FROM cte2;
SQL;
$lexer = new Lexer($sql);
$lexerErrors = $this->getErrorsAsArray($lexer);
$this->assertCount(0, $lexerErrors);
$parser = new Parser($lexer->list);
$parserErrors = $this->getErrorsAsArray($parser);
$this->assertCount(0, $parserErrors);
$this->assertCount(1, $parser->statements);
// phpcs:disable Generic.Files.LineLength.TooLong
$expected = <<<'SQL'
WITH RECURSIVE cte AS (SELECT 1 AS `n`, CAST('abc' AS CHAR(20)) AS `str` UNION ALL SELECT n+ 1, CONCAT(str, str) FROM cte WHERE n < 3), cte2 AS (SELECT 1 AS `n`, CAST('def' AS CHAR(20)) AS `str` UNION ALL SELECT n+ 1, CONCAT(str, str) FROM cte WHERE n < 3) SELECT * FROM cte UNION SELECT * FROM cte2
SQL;
// phpcs:enable
$this->assertEquals($expected, $parser->statements[0]->build());
}
public function testWithHasErrors(): void
{
$sql = <<<'SQL'
WITH categories(identifier, name, parent_id) AS (
SOMETHING * FROM foo
)
SELECT * FROM categories
SQL;
$lexer = new Lexer($sql);
$lexerErrors = $this->getErrorsAsArray($lexer);
$this->assertCount(0, $lexerErrors);
$parser = new Parser($lexer->list);
$parserErrors = $this->getErrorsAsArray($parser);
$this->assertCount(4, $parserErrors);
}
public function testWithEmbedParenthesis(): void
{
$sql = <<<'SQL'
WITH categories AS (
SELECT * FROM (SELECT * FROM foo)
)
SELECT * FROM categories
SQL;
$lexer = new Lexer($sql);
$lexerErrors = $this->getErrorsAsArray($lexer);
$this->assertCount(0, $lexerErrors);
$parser = new Parser($lexer->list);
$parserErrors = $this->getErrorsAsArray($parser);
$this->assertCount(0, $parserErrors);
// phpcs:disable Generic.Files.LineLength.TooLong
$expected = <<<'SQL'
WITH categories AS (SELECT * FROM (SELECT * FROM foo)) SELECT * FROM categories
SQL;
// phpcs:enable
$this->assertEquals($expected, $parser->statements[0]->build());
}
public function testWithHasUnclosedParenthesis(): void
{
$sql = <<<'SQL'
WITH categories(identifier, name, parent_id) AS (
SELECT * FROM (SELECT * FROM foo
)
SELECT * FROM categories
SQL;
$lexer = new Lexer($sql);
$lexerErrors = $this->getErrorsAsArray($lexer);
$this->assertCount(0, $lexerErrors);
$parser = new Parser($lexer->list);
$parserErrors = $this->getErrorsAsArray($parser);
$this->assertEquals('A closing bracket was expected.', $parserErrors[0][0]);
}
public function testBuildBadWithKeyword(): void
{
$this->expectExceptionMessage('No statement inside WITH');
(new WithKeyword('test'))->build();
}
}