fix(db): Promote the use of `getDatabaseProvider` to reduce the impage of removed upstream platforms

Signed-off-by: Joas Schilling <coding@schilljs.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/lib/private/DB/Connection.php b/lib/private/DB/Connection.php
index c24754a52bd..7aa3a020113 100644
--- a/lib/private/DB/Connection.php
+++ b/lib/private/DB/Connection.php
@@ -17,6 +17,7 @@ use Doctrine\DBAL\Exception;
 use Doctrine\DBAL\Exception\ConnectionLost;
 use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Platforms\OraclePlatform;
+use Doctrine\DBAL\Platforms\PostgreSQLPlatform;
 use Doctrine\DBAL\Platforms\SqlitePlatform;
 use Doctrine\DBAL\Result;
 use Doctrine\DBAL\Schema\Schema;
@@ -25,6 +26,7 @@ use OC\DB\QueryBuilder\QueryBuilder;
 use OC\SystemConfig;
 use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\Diagnostics\IEventLogger;
+use OCP\IDBConnection;
 use OCP\IRequestId;
 use OCP\PreConditionNotMetException;
 use OCP\Profiler\IProfiler;
@@ -729,4 +731,22 @@ class Connection extends PrimaryReadReplicaConnection {
 	private function getConnectionName(): string {
 		return $this->isConnectedToPrimary() ? 'primary' : 'replica';
 	}
+
+	/**
+	 * @return IDBConnection::PLATFORM_MYSQL|IDBConnection::PLATFORM_ORACLE|IDBConnection::PLATFORM_POSTGRES|IDBConnection::PLATFORM_SQLITE
+	 */
+	public function getDatabaseProvider(): string {
+		$platform = $this->getDatabasePlatform();
+		if ($platform instanceof MySQLPlatform) {
+			return IDBConnection::PLATFORM_MYSQL;
+		} elseif ($platform instanceof OraclePlatform) {
+			return IDBConnection::PLATFORM_ORACLE;
+		} elseif ($platform instanceof PostgreSQLPlatform) {
+			return IDBConnection::PLATFORM_POSTGRES;
+		} elseif ($platform instanceof SqlitePlatform) {
+			return IDBConnection::PLATFORM_SQLITE;
+		} else {
+			throw new \Exception('Database ' . $platform::class . ' not supported');
+		}
+	}
 }