use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerInterface;
+use Psr\Log\NullLogger;
use Wikimedia\ScopedCallback;
use Wikimedia\Timestamp\ConvertibleTimestamp;
use Wikimedia;
*
* This also connects to the database immediately upon object construction
*
- * @param string $dbType A possible DB type (sqlite, mysql, postgres)
+ * @param string $dbType A possible DB type (sqlite, mysql, postgres,...)
* @param array $p Parameter map with keys:
* - host : The hostname of the DB server
* - user : The name of the database user the client operates under
* @since 1.18
*/
final public static function factory( $dbType, $p = [] ) {
+ $class = self::getClass( $dbType, isset( $p['driver'] ) ? $p['driver'] : null );
+
+ if ( class_exists( $class ) && is_subclass_of( $class, IDatabase::class ) ) {
+ // Resolve some defaults for b/c
+ $p['host'] = isset( $p['host'] ) ? $p['host'] : false;
+ $p['user'] = isset( $p['user'] ) ? $p['user'] : false;
+ $p['password'] = isset( $p['password'] ) ? $p['password'] : false;
+ $p['dbname'] = isset( $p['dbname'] ) ? $p['dbname'] : false;
+ $p['flags'] = isset( $p['flags'] ) ? $p['flags'] : 0;
+ $p['variables'] = isset( $p['variables'] ) ? $p['variables'] : [];
+ $p['tablePrefix'] = isset( $p['tablePrefix'] ) ? $p['tablePrefix'] : '';
+ $p['schema'] = isset( $p['schema'] ) ? $p['schema'] : '';
+ $p['cliMode'] = isset( $p['cliMode'] )
+ ? $p['cliMode']
+ : ( PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg' );
+ $p['agent'] = isset( $p['agent'] ) ? $p['agent'] : '';
+ if ( !isset( $p['connLogger'] ) ) {
+ $p['connLogger'] = new NullLogger();
+ }
+ if ( !isset( $p['queryLogger'] ) ) {
+ $p['queryLogger'] = new NullLogger();
+ }
+ $p['profiler'] = isset( $p['profiler'] ) ? $p['profiler'] : null;
+ if ( !isset( $p['trxProfiler'] ) ) {
+ $p['trxProfiler'] = new TransactionProfiler();
+ }
+ if ( !isset( $p['errorLogger'] ) ) {
+ $p['errorLogger'] = function ( Exception $e ) {
+ trigger_error( get_class( $e ) . ': ' . $e->getMessage(), E_USER_WARNING );
+ };
+ }
+
+ $conn = new $class( $p );
+ } else {
+ $conn = null;
+ }
+
+ return $conn;
+ }
+
+ /**
+ * @param string $dbType A possible DB type (sqlite, mysql, postgres,...)
+ * @param string|null $driver Optional name of a specific DB client driver
+ * @return string Database subclass name to use
+ * @throws InvalidArgumentException
+ */
+ private static function getClass( $dbType, $driver = null ) {
// For database types with built-in support, the below maps type to IDatabase
// implementations. For types with multipe driver implementations (PHP extensions),
// an array can be used, keyed by extension name. In case of an array, the
$dbType = strtolower( $dbType );
$class = false;
+
if ( isset( $builtinTypes[$dbType] ) ) {
$possibleDrivers = $builtinTypes[$dbType];
if ( is_string( $possibleDrivers ) ) {
$class = $possibleDrivers;
} else {
- if ( !empty( $p['driver'] ) ) {
- if ( !isset( $possibleDrivers[$p['driver']] ) ) {
+ if ( (string)$driver !== '' ) {
+ if ( !isset( $possibleDrivers[$driver] ) ) {
throw new InvalidArgumentException( __METHOD__ .
- " type '$dbType' does not support driver '{$p['driver']}'" );
+ " type '$dbType' does not support driver '{$driver}'" );
} else {
- $class = $possibleDrivers[$p['driver']];
+ $class = $possibleDrivers[$driver];
}
} else {
foreach ( $possibleDrivers as $posDriver => $possibleClass ) {
" no viable database extension found for type '$dbType'" );
}
- if ( class_exists( $class ) && is_subclass_of( $class, IDatabase::class ) ) {
- // Resolve some defaults for b/c
- $p['host'] = isset( $p['host'] ) ? $p['host'] : false;
- $p['user'] = isset( $p['user'] ) ? $p['user'] : false;
- $p['password'] = isset( $p['password'] ) ? $p['password'] : false;
- $p['dbname'] = isset( $p['dbname'] ) ? $p['dbname'] : false;
- $p['flags'] = isset( $p['flags'] ) ? $p['flags'] : 0;
- $p['variables'] = isset( $p['variables'] ) ? $p['variables'] : [];
- $p['tablePrefix'] = isset( $p['tablePrefix'] ) ? $p['tablePrefix'] : '';
- $p['schema'] = isset( $p['schema'] ) ? $p['schema'] : '';
- $p['cliMode'] = isset( $p['cliMode'] )
- ? $p['cliMode']
- : ( PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg' );
- $p['agent'] = isset( $p['agent'] ) ? $p['agent'] : '';
- if ( !isset( $p['connLogger'] ) ) {
- $p['connLogger'] = new \Psr\Log\NullLogger();
- }
- if ( !isset( $p['queryLogger'] ) ) {
- $p['queryLogger'] = new \Psr\Log\NullLogger();
- }
- $p['profiler'] = isset( $p['profiler'] ) ? $p['profiler'] : null;
- if ( !isset( $p['trxProfiler'] ) ) {
- $p['trxProfiler'] = new TransactionProfiler();
- }
- if ( !isset( $p['errorLogger'] ) ) {
- $p['errorLogger'] = function ( Exception $e ) {
- trigger_error( get_class( $e ) . ': ' . $e->getMessage(), E_USER_WARNING );
- };
- }
-
- $conn = new $class( $p );
- } else {
- $conn = null;
- }
-
- return $conn;
+ return $class;
}
/**