mirror of
https://github.com/wallabag/wallabag.git
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64 lines
2.6 KiB
PHP
64 lines
2.6 KiB
PHP
<?php
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namespace Application\Migrations;
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use Doctrine\DBAL\Migrations\AbstractMigration;
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use Doctrine\DBAL\Schema\Schema;
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use Symfony\Component\DependencyInjection\ContainerAwareInterface;
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use Symfony\Component\DependencyInjection\ContainerInterface;
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class Version20161001072726 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 = $container;
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}
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private function getTable($tableName)
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{
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return $this->container->getParameter('database_table_prefix').$tableName;
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}
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/**
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* @param Schema $schema
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*/
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public function up(Schema $schema)
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{
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$this->skipIf($this->connection->getDatabasePlatform()->getName() == 'sqlite', 'Migration can only be executed safely on \'mysql\' or \'postgresql\'.');
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// remove all FK from entry_tag
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$query = $this->connection->query("SELECT CONSTRAINT_NAME FROM information_schema.key_column_usage WHERE TABLE_NAME = '".$this->getTable('entry_tag')."' AND CONSTRAINT_NAME LIKE 'FK_%' AND TABLE_SCHEMA = '".$this->connection->getDatabase()."'");
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$query->execute();
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foreach ($query->fetchAll() as $fk) {
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$this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' DROP FOREIGN KEY '.$fk['CONSTRAINT_NAME']);
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}
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$this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' ADD CONSTRAINT FK_entry_tag_entry FOREIGN KEY (entry_id) REFERENCES '.$this->getTable('entry').' (id) ON DELETE CASCADE');
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$this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' ADD CONSTRAINT FK_entry_tag_tag FOREIGN KEY (tag_id) REFERENCES '.$this->getTable('tag').' (id) ON DELETE CASCADE');
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// remove entry FK from annotation
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$query = $this->connection->query("SELECT CONSTRAINT_NAME FROM information_schema.key_column_usage WHERE TABLE_NAME = '".$this->getTable('annotation')."' AND CONSTRAINT_NAME LIKE 'FK_%' and COLUMN_NAME = 'entry_id' AND TABLE_SCHEMA = '".$this->connection->getDatabase()."'");
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$query->execute();
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foreach ($query->fetchAll() as $fk) {
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$this->addSql('ALTER TABLE '.$this->getTable('annotation').' DROP FOREIGN KEY '.$fk['CONSTRAINT_NAME']);
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}
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$this->addSql('ALTER TABLE '.$this->getTable('annotation').' ADD CONSTRAINT FK_annotation_entry FOREIGN KEY (entry_id) REFERENCES '.$this->getTable('entry').' (id) ON DELETE CASCADE');
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}
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/**
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* @param Schema $schema
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*/
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public function down(Schema $schema)
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{
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throw new SkipMigrationException('Too complex ...');
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}
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}
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