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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
* @category Piwik
* @package Piwik
*/
/**
* @package Piwik
* @subpackage Piwik_Db
*/
class Piwik_Db_Adapter_Pdo_Pgsql extends Zend_Db_Adapter_Pdo_Pgsql implements Piwik_Db_Adapter_Interface
{
/**
* Reset the configuration variables in this adapter.
*/
public function resetConfig()
{
$this->_config = array();
}
/**
* Return default port.
*
* @return int
*/
public static function getDefaultPort()
{
return 5432;
}
/**
* Check PostgreSQL version
*
* @throws Exception
*/
public function checkServerVersion()
{
$databaseVersion = $this->getServerVersion();
$requiredVersion = Piwik_Config::getInstance()->General['minimum_pgsql_version'];
if (version_compare($databaseVersion, $requiredVersion) === -1) {
throw new Exception(Piwik_TranslateException('General_ExceptionDatabaseVersion', array('PostgreSQL', $databaseVersion, $requiredVersion)));
}
}
/**
* Check client version compatibility against database server
*/
public function checkClientVersion()
{
}
/**
* Returns true if this adapter's required extensions are enabled
*
* @return bool
*/
public static function isEnabled()
{
$extensions = @get_loaded_extensions();
return in_array('PDO', $extensions) && in_array('pdo_pgsql', $extensions);
}
/**
* Returns true if this adapter supports blobs as fields
*
* @return bool
*/
public function hasBlobDataType()
{
// large objects must be loaded from a file using a non-SQL API
// and then referenced by the object ID (oid);
// the alternative, bytea fields, incur a space and time
// penalty for encoding/decoding
return false;
}
/**
* Returns true if this adapter supports bulk loading
*
* @return bool
*/
public function hasBulkLoader()
{
/**
* COPY ?
*
* @link http://www.postgresql.org/docs/current/interactive/sql-copy.html
*/
return false;
}
/**
* Test error number
*
* @param Exception $e
* @param string $errno
* @return bool
*/
public function isErrNo($e, $errno)
{
// map MySQL driver-specific error codes to PostgreSQL SQLSTATE
$map = array(
// MySQL: Unknown database '%s'
// PostgreSQL: database "%s" does not exist
'1049' => '08006',
// MySQL: Table '%s' already exists
// PostgreSQL: relation "%s" already exists
'1050' => '42P07',
// MySQL: Unknown column '%s' in '%s'
// PostgreSQL: column "%s" does not exist
'1054' => '42703',
// MySQL: Duplicate column name '%s'
// PostgreSQL: column "%s" of relation "%s" already exists
'1060' => '42701',
// MySQL: Duplicate key name '%s'
// PostgreSQL: relation "%s" already exists
'1061' => '42P07',
// MySQL: Duplicate entry '%s' for key '%s'
// PostgreSQL: duplicate key violates unique constraint
'1062' => '23505',
// MySQL: Can't DROP '%s'; check that column/key exists
// PostgreSQL: index "%s" does not exist
'1091' => '42704',
// MySQL: Table '%s.%s' doesn't exist
// PostgreSQL: relation "%s" does not exist
'1146' => '42P01',
);
if (preg_match('/([0-9]{2}[0-9P][0-9]{2})/', $e->getMessage(), $match)) {
return $match[1] == $map[$errno];
}
return false;
}
/**
* Is the connection character set equal to utf8?
*
* @return bool
*/
public function isConnectionUTF8()
{
$charset = $this->fetchOne('SHOW client_encoding');
return strtolower($charset) === 'utf8';
}
/**
* Retrieve client version in PHP style
*
* @return string
*/
public function getClientVersion()
{
$this->_connect();
try {
$version = $this->_connection->getAttribute(PDO::ATTR_CLIENT_VERSION);
$matches = null;
if (preg_match('/((?:[0-9]{1,2}\.){1,3}[0-9]{1,2})/', $version, $matches)) {
return $matches[1];
}
} catch (PDOException $e) {
// In case of the driver doesn't support getting attributes
}
return null;
}
}
|
