new console command to generate sql migration scripts

This commit is contained in:
Thomas Müller 2013-10-17 12:51:30 +02:00
parent fe1df961c1
commit 6e1881dbe4
3 changed files with 68 additions and 1 deletions

View File

@ -0,0 +1,45 @@
<?php
/**
* Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\Core\Command\Db;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
class GenerateChangeScript extends Command {
protected function configure() {
$this
->setName('db:generate-change-script')
->setDescription('generates the change script from the current connected db to db_structure.xml')
->addArgument(
'schema-xml',
InputArgument::OPTIONAL,
'the schema xml to be used as target schema',
\OC::$SERVERROOT . '/db_structure.xml'
)
;
}
protected function execute(InputInterface $input, OutputInterface $output) {
$file = $input->getArgument('schema-xml');
$schemaManager = new \OC\DB\MDB2SchemaManager(\OC_DB::getConnection());
try {
$result = $schemaManager->updateDbFromStructure($file, true);
$output->writeln($result);
} catch (\Exception $e) {
$output->writeln('Failed to update database structure ('.$e.')');
}
}
}

View File

@ -6,4 +6,6 @@
* See the COPYING-README file. * See the COPYING-README file.
*/ */
/** @var $application Symfony\Component\Console\Application */
$application->add(new OC\Core\Command\Status); $application->add(new OC\Core\Command\Status);
$application->add(new OC\Core\Command\Db\GenerateChangeScript());

View File

@ -53,7 +53,7 @@ class MDB2SchemaManager {
* @param string $file file to read structure from * @param string $file file to read structure from
* @return bool * @return bool
*/ */
public function updateDbFromStructure($file) { public function updateDbFromStructure($file, $generateSql = false) {
$sm = $this->conn->getSchemaManager(); $sm = $this->conn->getSchemaManager();
$fromSchema = $sm->createSchema(); $fromSchema = $sm->createSchema();
@ -82,6 +82,10 @@ class MDB2SchemaManager {
$tableDiff->name = $platform->quoteIdentifier($tableDiff->name); $tableDiff->name = $platform->quoteIdentifier($tableDiff->name);
} }
if ($generateSql) {
return $this->generateChangeScript($schemaDiff);
}
return $this->executeSchemaChange($schemaDiff); return $this->executeSchemaChange($schemaDiff);
} }
@ -147,4 +151,20 @@ class MDB2SchemaManager {
$this->conn->commit(); $this->conn->commit();
return true; return true;
} }
/**
* @param \Doctrine\DBAL\Schema\Schema $schema
* @return string
*/
public function generateChangeScript($schema) {
$script = '';
$sqls = $schema->toSql($this->conn->getDatabasePlatform());
foreach($sqls as $sql) {
$script .= $sql . ';';
$script .= PHP_EOL;
}
return $script;
}
} }