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Again optimizations for #384

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Bernd Bestel 2019-09-26 13:13:49 +02:00
parent 2809cc1454
commit 45d3c25b21
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GPG Key ID: 71BD34C0D4891300
1 changed files with 17 additions and 8 deletions
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25
migrations/0092.sql
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@ -1,33 +1,40 @@
ALTER TABLE products
ADD cumulate_min_stock_amount_of_sub_products TINYINT DEFAULT 0;
CREATE VIEW products_view
AS
SELECT *, CASE WHEN (SELECT 1 FROM products WHERE parent_product_id = p.id) NOTNULL THEN 1 ELSE 0 END AS has_sub_products
FROM products p;
DROP VIEW stock_missing_products;
CREATE VIEW stock_missing_products
AS
-- Parent products where the amount of the sub products SHOULD NOT be cumulated
-- Products WITHOUT sub products where the amount of the sub products SHOULD NOT be cumulated
SELECT
p.id,
MAX(p.name) AS name,
p.min_stock_amount - IFNULL(SUM(s.amount), 0) AS amount_missing,
CASE WHEN IFNULL(SUM(s.amount), 0) > 0 THEN 1 ELSE 0 END AS is_partly_in_stock
FROM products p
FROM products_view p
LEFT JOIN stock_current s
ON p.id = s.product_id
WHERE p.min_stock_amount != 0
AND p.cumulate_min_stock_amount_of_sub_products = 0
AND p.has_sub_products = 0
AND p.parent_product_id IS NULL
GROUP BY p.id
HAVING IFNULL(SUM(s.amount), 0) < p.min_stock_amount
UNION
-- Parent products where the amount of the sub products SHOULD be cumulated
-- Parent products WITH sub products where the amount of the sub products SHOULD be cumulated
SELECT
p.id,
MAX(p.name) AS name,
SUM(sub_p.min_stock_amount) - IFNULL(SUM(s.amount), 0) AS amount_missing,
CASE WHEN IFNULL(SUM(s.amount), 0) > 0 THEN 1 ELSE 0 END AS is_partly_in_stock
FROM products p
FROM products_view p
JOIN products_resolved pr
ON p.id = pr.parent_product_id
JOIN products sub_p
@ -65,29 +72,31 @@ AS
/* This is basically the same view as stock_missing_products, but the column "amount_missing" includes opened amounts */
-- Parent products where the amount of the sub products SHOULD NOT be cumulated
-- Products WITHOUT sub products where the amount of the sub products SHOULD NOT be cumulated
SELECT
p.id,
MAX(p.name) AS name,
p.min_stock_amount - (IFNULL(SUM(s.amount), 0) - IFNULL(SUM(s.amount_opened), 0)) AS amount_missing,
CASE WHEN IFNULL(SUM(s.amount), 0) > 0 THEN 1 ELSE 0 END AS is_partly_in_stock
FROM products p
FROM products_view p
LEFT JOIN stock_current s
ON p.id = s.product_id
WHERE p.min_stock_amount != 0
AND p.cumulate_min_stock_amount_of_sub_products = 0
AND p.has_sub_products = 0
AND p.parent_product_id IS NULL
GROUP BY p.id
HAVING IFNULL(SUM(s.amount), 0) < p.min_stock_amount
UNION
-- Parent products where the amount of the sub products SHOULD be cumulated
-- Parent products WITH sub products where the amount of the sub products SHOULD be cumulated
SELECT
p.id,
MAX(p.name) AS name,
SUM(sub_p.min_stock_amount) - (IFNULL(SUM(s.amount), 0) - IFNULL(SUM(s.amount_opened), 0)) AS amount_missing,
CASE WHEN IFNULL(SUM(s.amount), 0) > 0 THEN 1 ELSE 0 END AS is_partly_in_stock
FROM products p
FROM products_view p
JOIN products_resolved pr
ON p.id = pr.parent_product_id
JOIN products sub_p