addSql(<<<'SQL' ALTER TABLE system_config ADD COLUMN description CLOB DEFAULT '' NOT NULL SQL); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql(<<<'SQL' CREATE TEMPORARY TABLE __temp__system_config AS SELECT id, created_at, updated_at, "key", value FROM system_config SQL); $this->addSql(<<<'SQL' DROP TABLE system_config SQL); $this->addSql(<<<'SQL' CREATE TABLE system_config (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, created_at DATETIME NOT NULL --(DC2Type:datetime_immutable) , updated_at DATETIME NOT NULL --(DC2Type:datetime_immutable) , "key" VARCHAR(255) NOT NULL, value CLOB NOT NULL) SQL); $this->addSql(<<<'SQL' INSERT INTO system_config (id, created_at, updated_at, "key", value) SELECT id, created_at, updated_at, "key", value FROM __temp__system_config SQL); $this->addSql(<<<'SQL' DROP TABLE __temp__system_config SQL); $this->addSql(<<<'SQL' CREATE UNIQUE INDEX UNIQ_C4049ABD8A90ABA9 ON system_config ("key") SQL); } }