115 public function create( $type,
$params = [], $connect = Database::NEW_CONNECTED ) {
118 if ( class_exists( $class ) && is_subclass_of( $class, IDatabase::class ) ) {
129 'serverName' =>
null,
130 'topologyRole' =>
null,
134 'logger' =>
$params[
'logger'] ??
new NullLogger(),
135 'errorLogger' =>
$params[
'errorLogger'] ??
static function ( Throwable $e ) {
136 trigger_error( get_class( $e ) .
': ' . $e->getMessage(), E_USER_WARNING );
141 if ( $this->debugSql ) {
147 'flags' => $this->initConnFlags(
$params[
'flags'] ),
148 'cliMode' => $this->cliMode,
149 'agent' => $this->agent,
150 'profiler' => $this->profiler,
151 'deprecationLogger' => $this->deprecationLogger,
152 'criticalSectionProvider' => $this->csProvider,
156 $conn =
new $class( array_merge(
$params, $overrides ) );
157 if ( $connect === Database::NEW_CONNECTED ) {
158 $conn->initConnection();
175 Database::ATTR_DB_IS_FILE =>
false,
176 Database::ATTR_DB_LEVEL_LOCKING =>
false,
177 Database::ATTR_SCHEMAS_AS_TABLE_GROUPS => false
180 $class = $this->
getClass( $dbType, $driver );
181 if ( class_exists( $class ) ) {
182 return call_user_func( [ $class,
'getAttributes' ] ) + $defaults;
184 throw new DBUnexpectedError(
null,
"$dbType is not a supported database type." );
194 protected function getClass( $dbType, $driver =
null ) {
201 static $builtinTypes = [
202 'mysql' => [
'mysqli' => DatabaseMySQL::class ],
203 'sqlite' => DatabaseSqlite::class,
204 'postgres' => DatabasePostgres::class,
207 $dbType = strtolower( $dbType );
209 if ( !isset( $builtinTypes[$dbType] ) ) {
211 return 'Database' . ucfirst( $dbType );
215 $possibleDrivers = $builtinTypes[$dbType];
216 if ( is_string( $possibleDrivers ) ) {
217 $class = $possibleDrivers;
218 } elseif ( (
string)$driver !==
'' ) {
219 if ( !isset( $possibleDrivers[$driver] ) ) {
220 throw new InvalidArgumentException( __METHOD__ .
221 " type '$dbType' does not support driver '{$driver}'" );
224 $class = $possibleDrivers[$driver];
226 foreach ( $possibleDrivers as $posDriver => $possibleClass ) {
227 if ( extension_loaded( $posDriver ) ) {
228 $class = $possibleClass;
234 if ( $class ===
false ) {
235 throw new InvalidArgumentException( __METHOD__ .
236 " no viable database extension found for type '$dbType'" );