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73 lines
2.2 KiB
SQL
73 lines
2.2 KiB
SQL
DROP VIEW products_average_price;
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CREATE VIEW products_average_price
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AS
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SELECT
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1 AS id, -- Dummy, LessQL needs an id column
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s.product_id,
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SUM(s.amount * s.price) / SUM(s.amount) as price
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FROM stock_log s
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WHERE s.transaction_type IN ('purchase', 'inventory-correction', 'stock-edit-new')
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AND IFNULL(s.price, 0) > 0
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AND IFNULL(s.amount, 0) > 0
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AND undone = 0
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GROUP BY s.product_id;
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DROP VIEW products_last_purchased;
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CREATE VIEW products_last_purchased
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AS
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SELECT
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1 AS id, -- Dummy, LessQL needs an id column
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sl.product_id,
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sl.amount,
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sl.best_before_date,
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sl.purchased_date,
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(SELECT price FROM stock_log WHERE product_id = sl.product_id AND transaction_type IN ('purchase', 'stock-edit-new', 'inventory-correction') AND IFNULL(price, 0) > 0 AND IFNULL(amount, 0) > 0 AND undone = 0 ORDER BY purchased_date DESC LIMIT 1) AS price,
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sl.location_id,
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sl.shopping_location_id
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FROM stock_log sl
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JOIN (
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SELECT
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s1.product_id,
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MAX(s1.id) max_stock_id
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FROM stock_log s1
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JOIN (
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SELECT
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s.product_id,
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MAX(s.purchased_date) max_purchased_date
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FROM stock_log s
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WHERE undone = 0
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AND transaction_type in ('purchase', 'stock-edit-new', 'inventory-correction')
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GROUP BY s.product_id) sp2
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ON s1.product_id = sp2.product_id
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AND s1.purchased_date = sp2.max_purchased_date
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WHERE undone = 0
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AND transaction_type in ('purchase', 'stock-edit-new', 'inventory-correction')
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GROUP BY s1.product_id) sp3
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ON sl.product_id = sp3.product_id
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AND sl.id = sp3.max_stock_id;
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DROP VIEW product_price_history;
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CREATE VIEW product_price_history
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AS
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SELECT
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sl.product_id AS id, -- Dummy, LessQL needs an id column
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sl.product_id,
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sl.price,
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sl.purchased_date,
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sl.shopping_location_id
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FROM stock_log sl
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WHERE sl.transaction_type IN ('purchase', 'inventory-correction', 'stock-edit-new')
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AND sl.undone = 0
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AND IFNULL(sl.price, 0) > 0
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AND IFNULL(sl.amount, 0) > 0
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AND sl.id NOT IN (
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-- These are edited purchase and inventory-correction rows
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SELECT sl_origin.id
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FROM stock_log sl_origin
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JOIN stock_log sl_edit
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ON sl_origin.stock_id = sl_edit.stock_id
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AND sl_edit.transaction_type = 'stock-edit-new'
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AND sl_edit.id > sl_origin.id
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WHERE sl_origin.transaction_type IN ('purchase', 'inventory-correction')
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);
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