ALTER TABLE genre_lst RENAME TO genre; ALTER TABLE genre RENAME COLUMN genre TO name; CREATE TABLE condition ( id INTEGER, name VARCHAR(20) not null, constraint pk_condition primary key(id) ); INSERT INTO condition VALUES ( 1, 'Good' ); INSERT INTO condition VALUES ( 2, 'Average' ); INSERT INTO condition VALUES ( 3, 'Needs Replacing' ); INSERT INTO condition VALUES ( 4, 'N/A' ); ALTER TABLE book ADD COLUMN temp_cond integer , ADD CONSTRAINT fk_book_condition_new foreign key(temp_cond) REFERENCES condition(id) CREATE TABLE covertype ( id INTEGER, name VARCHAR(20) not null, constraint pk_covertype primary key(id) ); INSERT INTO covertype VALUES ( 1, 'Paperback' ); INSERT INTO covertype VALUES ( 2, 'Over-size Paperback' ); INSERT INTO covertype VALUES ( 3, 'Hardcover' ); INSERT INTO covertype VALUES ( 4, 'N/A' ); ALTER TABLE book ADD COLUMN temp_cover integer , ADD CONSTRAINT fk_book_covertype_new foreign key(temp_cover) REFERENCES covertype(id) CREATE TABLE owned ( id INTEGER, name VARCHAR(20) not null, constraint pk_owned primary key(id) ); INSERT INTO owned VALUES ( 1, 'Currently Owned' ); INSERT INTO owned VALUES ( 2, 'On Wish List' ); INSERT INTO owned VALUES ( 3, 'Sold' ); ALTER TABLE book ADD COLUMN temp_owned integer , ADD CONSTRAINT fk_book_owned_new foreign key(temp_owned) REFERENCES owned(id); CREATE TABLE rating ( id INTEGER, name VARCHAR(20) not null, constraint pk_rating primary key(id) ); INSERT INTO rating VALUES ( 1, '10' ); INSERT INTO rating VALUES ( 2, '9' ); INSERT INTO rating VALUES ( 3, '8' ); INSERT INTO rating VALUES ( 4, '7' ); INSERT INTO rating VALUES ( 5, '6' ); INSERT INTO rating VALUES ( 6, '5' ); INSERT INTO rating VALUES ( 7, '4' ); INSERT INTO rating VALUES ( 8, '3' ); INSERT INTO rating VALUES ( 9, '2' ); INSERT INTO rating VALUES ( 10, '1' ); INSERT INTO rating VALUES ( 11, 'N/A' ); INSERT INTO rating VALUES ( 12, 'Undefined' ); ALTER TABLE book ADD COLUMN temp_rating integer, ADD CONSTRAINT fk_book_rating_new foreign key(temp_rating) REFERENCES rating(id); ### fore each new table (e.g do above), then # add appropriate new field to Book class definition, eg for condition: temp_cond = db.Column(db.Integer) # then run python code with fix_db() -- which fixes appropriate Book., then: ALTER TABLE book DROP COLUMN condition; ALTER TABLE book RENAME COLUMN temp_cond TO condition; ALTER TABLE book DROP COLUMN covertype; ALTER TABLE book RENAME COLUMN temp_cover TO covertype; ALTER TABLE book DROP COLUMN owned; ALTER TABLE book RENAME COLUMN temp_owned TO owned; ALTER TABLE book DROP COLUMN rating; ALTER TABLE book RENAME COLUMN temp_rating TO rating; DROP TABLE condition_lst DROP TABLE covertype_lst DROP TABLE owned_lst DROP TABLE rating_lst # then modify main.py again, to delete condition and rename temp_ to in class Book