new console command to generate sql migration scripts
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<?php
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/**
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* Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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namespace OC\Core\Command\Db;
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use Symfony\Component\Console\Command\Command;
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use Symfony\Component\Console\Input\InputArgument;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Input\InputOption;
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use Symfony\Component\Console\Output\OutputInterface;
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class GenerateChangeScript extends Command {
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protected function configure() {
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$this
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->setName('db:generate-change-script')
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->setDescription('generates the change script from the current connected db to db_structure.xml')
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->addArgument(
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'schema-xml',
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InputArgument::OPTIONAL,
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'the schema xml to be used as target schema',
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\OC::$SERVERROOT . '/db_structure.xml'
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)
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;
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}
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protected function execute(InputInterface $input, OutputInterface $output) {
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$file = $input->getArgument('schema-xml');
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$schemaManager = new \OC\DB\MDB2SchemaManager(\OC_DB::getConnection());
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try {
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$result = $schemaManager->updateDbFromStructure($file, true);
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$output->writeln($result);
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} catch (\Exception $e) {
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$output->writeln('Failed to update database structure ('.$e.')');
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}
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}
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}
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@ -6,4 +6,6 @@
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* See the COPYING-README file.
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*/
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/** @var $application Symfony\Component\Console\Application */
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$application->add(new OC\Core\Command\Status);
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$application->add(new OC\Core\Command\Db\GenerateChangeScript());
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@ -53,7 +53,7 @@ class MDB2SchemaManager {
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* @param string $file file to read structure from
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* @return bool
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*/
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public function updateDbFromStructure($file) {
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public function updateDbFromStructure($file, $generateSql = false) {
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$sm = $this->conn->getSchemaManager();
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$fromSchema = $sm->createSchema();
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@ -82,6 +82,10 @@ class MDB2SchemaManager {
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$tableDiff->name = $platform->quoteIdentifier($tableDiff->name);
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}
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if ($generateSql) {
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return $this->generateChangeScript($schemaDiff);
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}
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return $this->executeSchemaChange($schemaDiff);
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}
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@ -147,4 +151,20 @@ class MDB2SchemaManager {
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$this->conn->commit();
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return true;
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}
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/**
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* @param \Doctrine\DBAL\Schema\Schema $schema
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* @return string
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*/
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public function generateChangeScript($schema) {
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$script = '';
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$sqls = $schema->toSql($this->conn->getDatabasePlatform());
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foreach($sqls as $sql) {
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$script .= $sql . ';';
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$script .= PHP_EOL;
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}
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return $script;
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}
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}
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