DBAL-493: Schema\Comparator incorrect diff with sqlite and unsigned integer

[doctrinebot]

Jira issue originally created by user richardhinkamp:

Using the Schema\Comparator to diff a table in sqlite with a unsigned integer. When creating the table and comparing it with the same definition it gives a diff which is not expected:

$schema = new \Doctrine\DBAL\Schema\Schema();
$usersTable = $schema->createTable("test_users");
$usersTable->addColumn("id", "integer", array("unsigned" => true, 'autoincrement' => true));
$usersTable->setPrimaryKey(array("id"));
$usersTable->addColumn("username", "string", array("length" => 32));
$usersTable->addIndex( array( 'username' ) );
$usersTable->addColumn("password", "string", array("length" => 64));

$platform = new \Doctrine\DBAL\Platforms\SqlitePlatform();
$queries = $platform->getCreateTableSQL($usersTable);
foreach($queries as $query) {
    $conn->query($query);
}

$tableDetail = $sm->listTableDetails($usersTable->getName());
$comparator = new \Doctrine\DBAL\Schema\Comparator();
$diff = $comparator->diffTable($tableDetail, $usersTable);
if ($diff) {
    print(implode("\n",$platform->getAlterTableSQL($diff)));
} else {
    print("no diff");
}

Expect result:

no diff

Actual result:

DROP INDEX IDX_1F5D03E2F85E0677
CREATE TEMPORARY TABLE *_temp__test_users AS SELECT id, username, password FROM test*users
DROP TABLE test_users
CREATE TABLE test_users (id INTEGER NOT NULL, username VARCHAR(32) NOT NULL, password VARCHAR(64) NOT NULL, PRIMARY KEY(id))
INSERT INTO test*users (id, username, password) SELECT id, username, password FROM __temp__test*users
DROP TABLE *_temp__test*users
CREATE INDEX IDX*1F5D03E2F85E0677 ON test*users (username)

When setting unsigned to false everything works. Shouldn't Doctrine know unsigned is not supported in sqlite?

[doctrinebot]

Comment created by @beberlei:

SQLite doesn't have the notion of unsigned. You have to remote the "unsigned" => true flag to stop confusing Sqlite and the Comparision and it will work.

[doctrinebot]

Issue was closed with resolution "Can't Fix"

[deeky666]

Reopening as this is not a Can't fix. See #2283

[github-actions]

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