abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.'); $this->addSql('CREATE TABLE hygrometry (id INT AUTO_INCREMENT NOT NULL, date DATETIME NOT NULL, value DOUBLE PRECISION NOT NULL, PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci ENGINE = InnoDB'); $this->addSql('CREATE TABLE temperature (id INT AUTO_INCREMENT NOT NULL, date DATETIME NOT NULL, value DOUBLE PRECISION NOT NULL, PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci ENGINE = InnoDB'); } public function down(Schema $schema) : void { // this down() migration is auto-generated, please modify it to your needs $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.'); $this->addSql('DROP TABLE hygrometry'); $this->addSql('DROP TABLE temperature'); } }