DigiComp.Sequence/Migrations/Mysql/Version20210922110814.php

<?php

declare(strict_types=1);

namespace Neos\Flow\Persistence\Doctrine\Migrations;

use Doctrine\DBAL\Exception as DoctrineDBALException;
use Doctrine\DBAL\Migrations\AbortMigrationException;
use Doctrine\DBAL\Schema\Schema;
use Doctrine\Migrations\AbstractMigration;

class Version20210922110814 extends AbstractMigration
{
    /**
     * @param Schema $schema
     * @throws AbortMigrationException
     * @throws DoctrineDBALException
     */
    public function up(Schema $schema): void
    {
        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on "mysql".');

        $this->addSql('CREATE TABLE digicomp_sequence_domain_model_sequenceentry (type VARCHAR(255) NOT NULL, number INT NOT NULL, PRIMARY KEY(type, number))');
        $this->addSql('INSERT INTO digicomp_sequence_domain_model_sequenceentry (type, number) SELECT i.type, MAX(i.number) FROM digicomp_sequence_domain_model_insert AS i GROUP BY i.type');
        $this->addSql('DROP TABLE digicomp_sequence_domain_model_insert');
    }

    /**
     * @param Schema $schema
     * @throws AbortMigrationException
     * @throws DoctrineDBALException
     */
    public function down(Schema $schema): void
    {
        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on "mysql".');

        $this->addSql('CREATE TABLE digicomp_sequence_domain_model_insert (number INT NOT NULL, type VARCHAR(255) NOT NULL, INDEX type_idx (type), PRIMARY KEY(number, type))');
        $this->addSql('INSERT INTO digicomp_sequence_domain_model_insert (number, type) SELECT MAX(se.number), se.type FROM digicomp_sequence_domain_model_sequenceentry AS se GROUP BY se.type');
        $this->addSql('DROP TABLE digicomp_sequence_domain_model_sequenceentry');
    }
}