addSql(<<<'SQL' INSERT INTO app.platforms (id, type, label, config) SELECT gen_random_uuid(), 'ebay', 'eBay', '[]' WHERE NOT EXISTS (SELECT 1 FROM app.platforms WHERE type = 'ebay') SQL); } public function down(Schema $schema): void { $this->addSql("DELETE FROM app.platforms WHERE type = 'ebay'"); } }