execute("ALTER TABLE `qimall_addons_business_card` CHANGE COLUMN `lat` `lat` DECIMAL(10,7) NOT NULL DEFAULT '0.00' COMMENT '纬度', CHANGE COLUMN `lng` `lng` DECIMAL(10,7) NOT NULL DEFAULT '0.00' COMMENT '经度' AFTER `lat`;"); } /** * {@inheritdoc} */ public function safeDown() { echo "M240605021754ChangeBusinessCardLngLatField cannot be reverted.\n"; return false; } /* // Use up()/down() to run migration code without a transaction. public function up() { } public function down() { echo "M240605021754ChangeBusinessCardLngLatField cannot be reverted.\n"; return false; } */ }