rdbms: normalize Database open() code and error handling
[lhc/web/wiklou.git] / includes / libs / rdbms / database / DatabaseMysqlBase.php
index 1e3fa84..b1a88ed 100644 (file)
@@ -125,7 +125,7 @@ abstract class DatabaseMysqlBase extends Database {
                $this->close();
 
                if ( $schema !== null ) {
-                       throw new DBExpectedError( $this, __CLASS__ . ": cannot use schemas ('$schema')" );
+                       throw $this->newExceptionAfterConnectError( "Got schema '$schema'; not supported." );
                }
 
                $this->server = $server;
@@ -135,23 +135,14 @@ abstract class DatabaseMysqlBase extends Database {
                $this->installErrorHandler();
                try {
                        $this->conn = $this->mysqlConnect( $this->server, $dbName );
-               } catch ( Exception $ex ) {
+               } catch ( Exception $e ) {
                        $this->restoreErrorHandler();
-                       throw $ex;
+                       throw $this->newExceptionAfterConnectError( $e->getMessage() );
                }
                $error = $this->restoreErrorHandler();
 
-               # Always log connection errors
                if ( !$this->conn ) {
-                       $error = $error ?: $this->lastError();
-                       $this->connLogger->error(
-                               "Error connecting to {db_server}: {error}",
-                               $this->getLogContext( [ 'method' => __METHOD__, 'error' => $error ] )
-                       );
-                       $this->connLogger->debug( "DB connection error\n" .
-                               "Server: $server, User: $user, Password: " .
-                               substr( $password, 0, 3 ) . "..., error: " . $error . "\n" );
-                       throw new DBConnectionError( $this, $error );
+                       throw $this->newExceptionAfterConnectError( $error ?: $this->lastError() );
                }
 
                try {
@@ -160,7 +151,6 @@ abstract class DatabaseMysqlBase extends Database {
                                null,
                                $tablePrefix
                        );
-
                        // Abstract over any insane MySQL defaults
                        $set = [ 'group_concat_max_len = 262144' ];
                        // Set SQL mode, default is turning them all off, can be overridden or skipped with null
@@ -185,11 +175,8 @@ abstract class DatabaseMysqlBase extends Database {
                                );
                        }
                } catch ( Exception $e ) {
-                       // Connection was not fully initialized and is not safe for use
-                       $this->conn = false;
+                       throw $this->newExceptionAfterConnectError( $e->getMessage() );
                }
-
-               return true;
        }
 
        protected function doSelectDomain( DatabaseDomain $domain ) {
@@ -234,7 +221,7 @@ abstract class DatabaseMysqlBase extends Database {
         *
         * @param string $realServer
         * @param string|null $dbName
-        * @return mixed Raw connection
+        * @return mixed|null Driver connection handle
         * @throws DBConnectionError
         */
        abstract protected function mysqlConnect( $realServer, $dbName );