ALTER TABLE vn.invoiceInLog MODIFY COLUMN changedModel enum('InvoiceIn','InvoiceInTax','InvoiceInDueDay') CHARACTER SET utf8mb3 COLLATE utf8mb3_unicode_ci DEFAULT 'InvoiceIn' NOT NULL; ALTER TABLE `vn`.`invoiceInDueDay` ADD IF NOT EXISTS editorFk INT UNSIGNED NULL, ADD CONSTRAINT invoiceInDueDay_fk_editor FOREIGN KEY IF NOT EXISTS (editorFk) REFERENCES account.`user`(id);