/**
* @param array $params An associative array with one member:
* - connection: An IDatabase connection object
*/
public function __construct(array $params)
{
if (!isset($params['connection'])) {
throw new InvalidArgumentException("Missing 'connection' argument.");
}
$this->db = $params['connection'];
parent::__construct(['servers' => [['type' => $this->db->getType(), 'host' => $this->db->getServer(), 'dbname' => $this->db->getDBname(), 'load' => 1]], 'trxProfiler' => isset($params['trxProfiler']) ? $params['trxProfiler'] : null, 'srvCache' => isset($params['srvCache']) ? $params['srvCache'] : null, 'wanCache' => isset($params['wanCache']) ? $params['wanCache'] : null]);
if (isset($params['readOnlyReason'])) {
$this->db->setLBInfo('readOnlyReason', $params['readOnlyReason']);
}
}
/**
* @param IDatabase $db
* @return string SearchEngine subclass name
* @since 1.28
*/
public static function getSearchEngineClass(IDatabase $db)
{
switch ($db->getType()) {
case 'sqlite':
return 'SearchSqlite';
case 'mysql':
return 'SearchMySQL';
case 'postgres':
return 'SearchPostgres';
case 'mssql':
return 'SearchMssql';
case 'oracle':
return 'SearchOracle';
default:
return 'SearchEngineDummy';
}
}
/**
* Get the full path of a patch file. Originally based on archive()
* from updaters.inc. Keep in mind this always returns a patch, as
* it fails back to MySQL if no DB-specific patch can be found
*
* @param IDatabase $db
* @param string $patch The name of the patch, like patch-something.sql
* @return string Full path to patch file
*/
public function patchPath(IDatabase $db, $patch)
{
global $IP;
$dbType = $db->getType();
if (file_exists("{$IP}/maintenance/{$dbType}/archives/{$patch}")) {
return "{$IP}/maintenance/{$dbType}/archives/{$patch}";
} else {
return "{$IP}/maintenance/archives/{$patch}";
}
}
/**
* Return a path to the DBMS-specific SQL file if it exists,
* otherwise default SQL file
*
* @param IDatabase $db
* @param string $filename
* @return string
*/
private function getSqlFilePath($db, $filename)
{
global $IP;
$dbmsSpecificFilePath = "{$IP}/maintenance/" . $db->getType() . "/{$filename}";
if (file_exists($dbmsSpecificFilePath)) {
return $dbmsSpecificFilePath;
} else {
return "{$IP}/maintenance/{$filename}";
}
}
