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Optimized StockService->GetProductDetails performance (fixes #2283)

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This commit is contained in:
Bernd Bestel
2023-07-31 16:54:58 +02:00
parent 57ccb8645e
commit fd7e24b7d1
5 changed files with 134 additions and 31 deletions
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30
migrations/0213.sql
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@@ -15,7 +15,7 @@ GROUP BY s.product_id;
DROP VIEW products_last_purchased;
CREATE VIEW products_last_purchased
AS
select
SELECT
1 AS id, -- Dummy, LessQL needs an id column
sl.product_id,
sl.amount,
@@ -26,20 +26,20 @@ select
sl.shopping_location_id
FROM stock_log sl
JOIN (
SELECT
s1.product_id,
MAX(s1.id) max_stock_id
FROM stock_log s1
JOIN (
SELECT
s.product_id,
MAX(s.purchased_date) max_purchased_date
FROM stock_log s
WHERE undone = 0
AND transaction_type in ('purchase', 'stock-edit-new', 'inventory-correction')
GROUP BY s.product_id) sp2
ON s1.product_id = sp2.product_id
AND s1.purchased_date = sp2.max_purchased_date
SELECT
s1.product_id,
MAX(s1.id) max_stock_id
FROM stock_log s1
JOIN (
SELECT
s.product_id,
MAX(s.purchased_date) max_purchased_date
FROM stock_log s
WHERE undone = 0
AND transaction_type in ('purchase', 'stock-edit-new', 'inventory-correction')
GROUP BY s.product_id) sp2
ON s1.product_id = sp2.product_id
AND s1.purchased_date = sp2.max_purchased_date
WHERE undone = 0
AND transaction_type in ('purchase', 'stock-edit-new', 'inventory-correction')
GROUP BY s1.product_id) sp3