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<?php |
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declare(strict_types=1); |
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namespace SWP\Migrations; |
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use Doctrine\DBAL\Schema\Schema; |
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use Doctrine\Migrations\AbstractMigration; |
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use SWP\Bundle\ContentBundle\Model\Article; |
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use SWP\Bundle\ContentBundle\Model\ArticleExtraEmbedField; |
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use SWP\Bundle\ContentBundle\Model\ArticleExtraTextField; |
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use Symfony\Component\DependencyInjection\ContainerAwareInterface; |
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use Symfony\Component\DependencyInjection\ContainerInterface; |
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/** |
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* Auto-generated Migration: Please modify to your needs! |
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*/ |
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final class Version20210112135542 extends AbstractMigration implements ContainerAwareInterface |
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{ |
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/** |
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* @var ContainerInterface |
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*/ |
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private $container; |
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public function setContainer(ContainerInterface $container = null) |
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{ |
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$this->container = $container; |
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} |
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public function up(Schema $schema): void |
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{ |
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// this up() migration is auto-generated, please modify it to your needs |
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$this->abortIf( |
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'postgresql' !== $this->connection->getDatabasePlatform()->getName(), |
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'Migration can only be executed safely on \'postgresql\'.' |
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); |
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$this->addSql('CREATE SEQUENCE swp_article_extra_id_seq INCREMENT BY 1 MINVALUE 1 START 1'); |
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$this->addSql( |
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'CREATE TABLE swp_article_extra (id INT NOT NULL, article_id INT DEFAULT NULL, field_name VARCHAR(255) NOT NULL, discr VARCHAR(255) NOT NULL, value VARCHAR(255) DEFAULT NULL, embed VARCHAR(255) DEFAULT NULL, description VARCHAR(255) DEFAULT NULL, PRIMARY KEY(id))' |
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); |
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$this->addSql('CREATE INDEX IDX_9E61B3177294869C ON swp_article_extra (article_id)'); |
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$this->addSql( |
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'ALTER TABLE swp_article_extra ADD CONSTRAINT FK_9E61B3177294869C FOREIGN KEY (article_id) REFERENCES swp_article (id) ON DELETE CASCADE NOT DEFERRABLE INITIALLY IMMEDIATE' |
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); |
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} |
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public function down(Schema $schema): void |
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{ |
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// this down() migration is auto-generated, please modify it to your needs |
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$this->abortIf( |
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'postgresql' !== $this->connection->getDatabasePlatform()->getName(), |
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'Migration can only be executed safely on \'postgresql\'.' |
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); |
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$this->addSql('DROP SEQUENCE swp_article_extra_id_seq CASCADE'); |
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$this->addSql('DROP TABLE swp_article_extra'); |
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} |
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public function postUp(Schema $schema): void |
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{ |
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$entityManager = $this->container->get('doctrine.orm.default_entity_manager'); |
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$entityManager->getConnection()->getConfiguration()->setSQLLogger(null); |
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$batchSize = 500; |
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$numberOfRecordsPerPage = 2000; |
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$totalArticles = $entityManager |
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->createQuery('SELECT count(a) FROM SWP\Bundle\CoreBundle\Model\Article a') |
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->getSingleScalarResult(); |
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$totalArticlesProcessed = 0; |
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$isProcessing = true; |
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while ($isProcessing) { |
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$sql = "SELECT id, extra FROM swp_article LIMIT $numberOfRecordsPerPage OFFSET $totalArticlesProcessed"; |
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$query = $entityManager->getConnection()->prepare($sql); |
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$query->execute(); |
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$results = $query->fetchAll(); |
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echo 'fetching '.$numberOfRecordsPerPage.' starting from '.$totalArticlesProcessed.PHP_EOL; |
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foreach ($results as $result) { |
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$legacyExtra = unserialize($result['extra']); |
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if (empty($legacyExtra)) { |
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++$totalArticlesProcessed; |
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continue; |
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} |
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$article = $entityManager->find( |
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Article::class, |
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$result['id'] |
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); |
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foreach ($legacyExtra as $key => $extraItem) { |
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if (is_array($extraItem)) { |
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$extra = ArticleExtraEmbedField::newFromValue($key, $extraItem); |
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} else { |
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$extra = ArticleExtraTextField::newFromValue($key, $extraItem); |
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} |
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$extra->setArticle($article); |
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} |
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$entityManager->persist($extra); |
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if (0 === ($totalArticlesProcessed % $batchSize)) { |
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$entityManager->flush(); |
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$entityManager->clear(); |
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} |
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++$totalArticlesProcessed; |
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} |
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if ($totalArticlesProcessed === $totalArticles) { |
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break; |
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} |
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$entityManager->flush(); |
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} |
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} |
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} |
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superdesk /
web-publisher
If you define a variable conditionally, it can happen that it is not defined for all execution paths.
Let’s take a look at an example:
In the above example, the variable $x is defined if you pass “foo” or “bar” as argument for $a. However, since the switch statement has no default case statement, if you pass any other value, the variable $x would be undefined.
Available Fixes
Check for existence of the variable explicitly:
Define a default value for the variable:
Add a value for the missing path: