abortIf($this->connection->getDatabasePlatform()->getName() != 'mysql', 'Migration can only be executed safely on \'mysql\'.'); $this->addSql('ALTER TABLE espier_export_log CHANGE file_url file_url LONGTEXT DEFAULT NULL COMMENT \'导出文件下载路径\''); $this->addSql('ALTER TABLE trade ADD payment_params LONGTEXT DEFAULT NULL COMMENT \'支付参数\''); } /** * @param Schema $schema */ public function down(Schema $schema): void { } }