/**
* @param array $tables
* @param $mysqldump
*
* @return Symfony_Process_ProcessBuilder
*/
protected function createProcessBuilder(array $tables, $mysqldump)
{
$processBuilder = Symfony_Process_ProcessBuilder::create()->setWorkingDirectory(untrailingslashit(ABSPATH))->setTimeout(3600)->setPrefix($mysqldump)->add('--force')->add('--user='******'--password='******'--add-drop-table');
if ($this->options->isSkipLockTables()) {
// Don't lock all tables for read.
$processBuilder->add('--lock-tables=false');
}
if ($this->options->isSkipExtendedInsert()) {
$processBuilder->add('--extended-insert=false');
}
$processBuilder->add($this->configuration->getDatabase());
// Dump only specific tables
foreach ($tables as $table) {
$processBuilder->add($table);
}
if ($this->configuration->isSocket()) {
$processBuilder->add('--socket=' . $this->configuration->getSocketPath());
} else {
$processBuilder->add('--host=' . $this->configuration->getHost());
if (($port = $this->configuration->getPort()) !== null) {
$processBuilder->add('--port=' . $port);
}
}
return $processBuilder;
}
/**
* {@inheritdoc}
*/
public function createStream(array $tables = array())
{
if ($this->environment->isPdoEnabled()) {
$connection = new MWP_IncrementalBackup_Database_PdoConnection($this->configuration);
} elseif ($this->environment->isMysqliEnabled()) {
$connection = new MWP_IncrementalBackup_Database_MysqliConnection($this->configuration);
} elseif ($this->environment->isMysqlEnabled()) {
$connection = new MWP_IncrementalBackup_Database_MysqlConnection($this->configuration);
} else {
throw new MWP_IncrementalBackup_Database_Exception_ConnectionException("No mysql drivers available.");
}
$this->options->setTables($tables);
$dumper = new MWP_IncrementalBackup_Database_StreamableQuerySequenceDump($connection, $this->options);
return $dumper->createStream();
}
private function createConnection()
{
$connectionMethods = $this->options->getConnectionMethods();
if (!empty($connectionMethods) && is_array($connectionMethods)) {
$this->getPreferredConnection($connectionMethods);
if ($this->connection !== null) {
return $this->connection;
}
}
if ($this->environment->isPdoEnabled()) {
$this->connection = new MWP_IncrementalBackup_Database_PdoConnection($this->configuration);
} elseif ($this->environment->isMysqliEnabled()) {
$this->connection = new MWP_IncrementalBackup_Database_MysqliConnection($this->configuration);
} elseif ($this->environment->isMysqlEnabled()) {
$this->connection = new MWP_IncrementalBackup_Database_MysqlConnection($this->configuration);
} else {
throw new MWP_IncrementalBackup_Database_Exception_ConnectionException("No mysql drivers available.");
}
return $this->connection;
}
public function createExportTableStream($length, $tableName)
{
$stream = new MWP_Stream_Append();
$columns = $this->getConnection()->query("SHOW COLUMNS IN `{$tableName}`;")->fetchAll();
if (is_array($columns)) {
$columns = $this->repack($columns, 'Field');
}
$query = $this->selectAllDataQuery($tableName, $columns);
$statement = $this->getConnection()->query($query, true);
// Go through row by row
if (!$this->options->isSkipLockTables()) {
$stream->addStream(MWP_Stream_Stream::factory("LOCK TABLES `{$tableName}` WRITE;\n"));
}
$stream->addStream(MWP_Stream_Stream::factory("/*!40000 ALTER TABLE `{$tableName}` DISABLE KEYS */;\n"));
$stream->addStream(new MWP_Stream_Callable(array($this, 'createExportRowStream'), array($statement, $tableName, $columns)));
$stream->addStream(MWP_Stream_Stream::factory("\n"));
$stream->addStream(MWP_Stream_Stream::factory("/*!40000 ALTER TABLE `{$tableName}` ENABLE KEYS */;\n"));
if (!$this->options->isSkipLockTables()) {
$stream->addStream(MWP_Stream_Stream::factory("UNLOCK TABLES;\n"));
}
return $stream;
}
/**
* @param string $method
*
* @param array $options
*
* @throws MWP_Worker_Exception
* @return MWP_IncrementalBackup_Database_DumperInterface
*/
protected function createDumper($method, array $options = array())
{
$dumperOptions = MWP_IncrementalBackup_Database_DumpOptions::createFromArray($options);
switch ($method) {
case self::METHOD_MYSQLDUMP:
$configuration = MWP_IncrementalBackup_Database_Configuration::createFromWordPressContext(mwp_context());
$dumper = new MWP_IncrementalBackup_Database_MysqlDumpDumper($configuration, $dumperOptions);
return $dumper;
case self::METHOD_PHPDUMPER:
$configuration = MWP_IncrementalBackup_Database_Configuration::createFromWordPressContext(mwp_context());
$dumper = new MWP_IncrementalBackup_Database_PhpDumper($configuration, mwp_container()->getSystemEnvironment(), $dumperOptions);
return $dumper;
default:
throw new MWP_Worker_Exception(MWP_Worker_Exception::BACKUP_DATABASE_METHOD_NOT_AVAILABLE);
break;
}
}
