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<?php |
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namespace Doctrine\DBAL\Migrations\Tools\Console\Command; |
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use Doctrine\DBAL\Migrations\Configuration\Configuration; |
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use Doctrine\DBAL\Version as DbalVersion; |
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use Doctrine\DBAL\Migrations\Provider\SchemaProviderInterface; |
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use Doctrine\DBAL\Migrations\Provider\OrmSchemaProvider; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Symfony\Component\Console\Input\InputOption; |
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/** |
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* Command for generate migration classes by comparing your current database schema |
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* to your mapping information. |
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* |
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL |
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* @link www.doctrine-project.org |
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* @since 2.0 |
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* @author Jonathan Wage <[email protected]> |
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*/ |
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class DiffCommand extends GenerateCommand |
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{ |
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/** |
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* @var SchemaProviderInterface |
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*/ |
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protected $schemaProvider; |
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public function __construct(SchemaProviderInterface $schemaProvider = null) |
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{ |
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$this->schemaProvider = $schemaProvider; |
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parent::__construct(); |
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} |
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protected function configure() |
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{ |
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parent::configure(); |
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$this |
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->setName('migrations:diff') |
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->setDescription('Generate a migration by comparing your current database to your mapping information.') |
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->setHelp(<<<EOT |
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The <info>%command.name%</info> command generates a migration by comparing your current database to your mapping information: |
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<info>%command.full_name%</info> |
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You can optionally specify a <comment>--editor-cmd</comment> option to open the generated file in your favorite editor: |
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<info>%command.full_name% --editor-cmd=mate</info> |
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EOT |
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) |
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->addOption('filter-expression', null, InputOption::VALUE_OPTIONAL, 'Tables which are filtered by Regular Expression.') |
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->addOption('formatted', null, InputOption::VALUE_NONE, 'Format the generated SQL.') |
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->addOption('line-length', null, InputOption::VALUE_OPTIONAL, 'Max line length of unformatted lines.', 120) |
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; |
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} |
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public function execute(InputInterface $input, OutputInterface $output) |
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{ |
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$isDbalOld = (DbalVersion::compare('2.2.0') > 0); |
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$configuration = $this->getMigrationConfiguration($input, $output); |
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$this->loadCustomTemplate($configuration, $output); |
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$conn = $configuration->getConnection(); |
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$platform = $conn->getDatabasePlatform(); |
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if ($filterExpr = $input->getOption('filter-expression')) { |
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if ($isDbalOld) { |
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throw new \InvalidArgumentException('The "--filter-expression" option can only be used as of Doctrine DBAL 2.2'); |
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} |
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$conn->getConfiguration() |
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->setFilterSchemaAssetsExpression($filterExpr); |
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} |
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$fromSchema = $conn->getSchemaManager()->createSchema(); |
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$toSchema = $this->getSchemaProvider()->createSchema(); |
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//Not using value from options, because filters can be set from config.yml |
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if ( ! $isDbalOld && $filterExpr = $conn->getConfiguration()->getFilterSchemaAssetsExpression()) { |
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foreach ($toSchema->getTables() as $table) { |
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$tableName = $table->getName(); |
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if ( ! preg_match($filterExpr, $this->resolveTableName($tableName))) { |
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$toSchema->dropTable($tableName); |
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} |
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} |
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} |
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$up = $this->buildCodeFromSql( |
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$configuration, |
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$fromSchema->getMigrateToSql($toSchema, $platform), |
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$input->getOption('formatted'), |
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$input->getOption('line-length') |
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); |
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$down = $this->buildCodeFromSql( |
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$configuration, |
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$fromSchema->getMigrateFromSql($toSchema, $platform), |
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$input->getOption('formatted'), |
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$input->getOption('line-length') |
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); |
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if ( ! $up && ! $down) { |
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$output->writeln('No changes detected in your mapping information.'); |
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return; |
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} |
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$version = $configuration->generateVersionNumber(); |
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$path = $this->generateMigration($configuration, $input, $version, $up, $down); |
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$output->writeln(sprintf('Generated new migration class to "<info>%s</info>" from schema differences.', $path)); |
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$output->writeln(file_get_contents($path)); |
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} |
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private function buildCodeFromSql(Configuration $configuration, array $sql, $formatted = false, $lineLength = 120) |
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{ |
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$currentPlatform = $configuration->getConnection()->getDatabasePlatform()->getName(); |
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$code = []; |
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foreach ($sql as $query) { |
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if (stripos($query, $configuration->getMigrationsTableName()) !== false) { |
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continue; |
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} |
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if ($formatted) { |
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if ( ! class_exists('\SqlFormatter')) { |
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throw new \InvalidArgumentException( |
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'The "--formatted" option can only be used if the sql formatter is installed.' . |
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'Please run "composer require jdorn/sql-formatter".' |
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); |
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} |
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$maxLength = $lineLength - 18 - 8; // max - php code length - indentation |
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if (strlen($query) > $maxLength) { |
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$query = \SqlFormatter::format($query, false); |
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} |
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} |
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$code[] = sprintf("\$this->addSql(%s);", var_export($query, true)); |
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} |
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if ( ! empty($code)) { |
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array_unshift( |
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$code, |
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sprintf( |
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"\$this->abortIf(\$this->connection->getDatabasePlatform()->getName() !== %s, %s);", |
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var_export($currentPlatform, true), |
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var_export(sprintf("Migration can only be executed safely on '%s'.", $currentPlatform), true) |
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), |
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"" |
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); |
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} |
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return implode("\n", $code); |
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} |
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private function getSchemaProvider() |
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{ |
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if ( ! $this->schemaProvider) { |
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$this->schemaProvider = new OrmSchemaProvider($this->getHelper('entityManager')->getEntityManager()); |
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} |
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return $this->schemaProvider; |
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} |
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/** |
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* Resolve a table name from its fully qualified name. The `$name` argument |
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* comes from Doctrine\DBAL\Schema\Table#getName which can sometimes return |
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* a namespaced name with the form `{namespace}.{tableName}`. This extracts |
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* the table name from that. |
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* |
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* @param string $name |
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* @return string |
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*/ |
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private function resolveTableName($name) |
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{ |
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$pos = strpos($name, '.'); |
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return false === $pos ? $name : substr($name, $pos + 1); |
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} |
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} |
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doctrine /
migrations
