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56 lines
1.7 KiB
SQL
56 lines
1.7 KiB
SQL
ALTER TABLE products
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ADD default_consume_location_id INTEGER;
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DROP VIEW stock_next_use;
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CREATE VIEW stock_next_use
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AS
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/*
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The default consume rule is:
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Opened first, then first due first, then first in first out
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Apart from that products at their default consume location should be consumed first
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This orders the stock entries by that
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=> Highest "priority" per product = the stock entry to use next
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*/
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SELECT
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(ROW_NUMBER() OVER(PARTITION BY s.product_id ORDER BY CASE WHEN IFNULL(p.default_consume_location_id, -1) = s.location_id THEN 0 ELSE 1 END ASC, s.open DESC, s.best_before_date ASC, s.purchased_date ASC)) * -1 AS priority,
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s.*
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FROM stock s
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JOIN products p
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ON p.id = s.product_id;
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CREATE TRIGGER stock_next_use_INS INSTEAD OF INSERT ON stock_next_use
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BEGIN
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INSERT INTO stock
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(product_id, amount, best_before_date, purchased_date, stock_id,
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price, open, opened_date, location_id, shopping_location_id, note)
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VALUES
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(NEW.product_id, NEW.amount, NEW.best_before_date, NEW.purchased_date, NEW.stock_id,
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NEW.price, NEW.open, NEW.opened_date, NEW.location_id, NEW.shopping_location_id, NEW.note);
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END;
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CREATE TRIGGER stock_next_use_UPD INSTEAD OF UPDATE ON stock_next_use
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BEGIN
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UPDATE stock
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SET product_id = NEW.product_id,
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amount = NEW.amount,
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best_before_date = NEW.best_before_date,
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purchased_date = NEW.purchased_date,
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stock_id = NEW.stock_id,
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price = NEW.price,
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open = NEW.open,
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opened_date = NEW.opened_date,
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location_id = NEW.location_id,
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shopping_location_id = NEW.shopping_location_id,
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note = NEW.note
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WHERE id = NEW.id;
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END;
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CREATE TRIGGER stock_next_use_DEL INSTEAD OF DELETE ON stock_next_use
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BEGIN
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DELETE FROM stock
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WHERE id = OLD.id;
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END;
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