dibbler/migration-2017-02-04.sql

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ALTER TABLE pvv_vv.products RENAME TO products_old;
CREATE TABLE pvv_vv.products
(
product_id serial,
bar_code character varying(13) NOT NULL,
name character varying(45),
price integer,
stock integer NOT NULL,
CONSTRAINT product_pkey PRIMARY KEY (product_id),
CONSTRAINT barcode_unique UNIQUE (bar_code)
)
INSERT INTO pvv_vv.products (bar_code, name, price, stock)
SELECT bar_code, name, price, stock FROM products_old;
ALTER TABLE pvv_vv.purchase_entries RENAME TO purchase_entries_old;
ALTER TABLE pvv_vv.purchase_entries_old
RENAME CONSTRAINT purchase_entries_pkey TO purchase_entries_old_pkey;
ALTER TABLE pvv_vv.purchase_entries_old
RENAME CONSTRAINT purchase_entries_purchase_id_fkey TO purchase_entries_old_purchase_id_fkey;
ALTER TABLE pvv_vv.purchase_entries_old
RENAME CONSTRAINT purchase_entries_product_bar_code_fkey TO purchase_entries_old_product_bar_code_fkey;
CREATE TABLE pvv_vv.purchase_entries
(
id serial,
purchase_id integer,
product_id integer,
amount integer,
CONSTRAINT purchase_entries_pkey PRIMARY KEY (id),
CONSTRAINT purchase_entries_product_id_fkey FOREIGN KEY (product_id)
REFERENCES pvv_vv.products (product_id) MATCH SIMPLE
ON UPDATE NO ACTION
ON DELETE NO ACTION,
CONSTRAINT purchase_entries_purchase_id_fkey FOREIGN KEY (purchase_id)
REFERENCES pvv_vv.purchases (id) MATCH SIMPLE
ON UPDATE NO ACTION
ON DELETE NO ACTION
);
INSERT INTO purchase_entries (id, purchase_id, product_id, amount)
SELECT peo.id, peo.purchase_id, p.product_id, peo.amount
FROM purchase_entries_old AS peo
JOIN products AS p ON p.bar_code = peo.product_bar_code;
ALTER TABLE pvv_vv.transactions
ADD COLUMN penalty integer DEFAULT 1;
DROP TABLE products_old;
DROP TABLE purchase_entries_old;