mirror of
https://github.com/grocy/grocy.git
synced 2025-04-29 17:45:39 +00:00
27 lines
685 B
SQL
27 lines
685 B
SQL
CREATE VIEW stock_average_product_shelf_life
|
|
AS
|
|
SELECT
|
|
p.id,
|
|
CASE WHEN x.product_id IS NULL THEN -1 ELSE AVG(x.shelf_life_days) END AS average_shelf_life_days
|
|
FROM products p
|
|
LEFT JOIN (
|
|
SELECT
|
|
sl_p.product_id,
|
|
JULIANDAY(MIN(sl_p.best_before_date)) - JULIANDAY(MIN(sl_c.used_date)) AS shelf_life_days
|
|
FROM stock_log sl_p
|
|
JOIN (
|
|
SELECT
|
|
product_id,
|
|
stock_id,
|
|
MAX(used_date) AS used_date
|
|
FROM stock_log
|
|
WHERE transaction_type = 'consume'
|
|
GROUP BY product_id, stock_id
|
|
) sl_c
|
|
ON sl_p.stock_id = sl_c.stock_id
|
|
WHERE sl_p.transaction_type = 'purchase'
|
|
GROUP BY sl_p.product_id, sl_p.stock_id
|
|
) x
|
|
ON p.id = x.product_id
|
|
GROUP BY p.id;
|