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25 lines
968 B
MySQL
25 lines
968 B
MySQL
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DROP VIEW products_price_history;
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CREATE VIEW products_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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IFNULL(sl.edited_origin_amount, sl.amount) AS amount,
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sl.purchased_date,
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sl.shopping_location_id,
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sl.transaction_type
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FROM (
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SELECT sl.*, CASE WHEN sl.transaction_type = 'stock-edit-new' THEN see.edited_origin_amount END AS edited_origin_amount
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FROM stock_log sl
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LEFT JOIN stock_edited_entries see
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ON sl.stock_id = see.stock_id
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) sl
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WHERE sl.undone = 0
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AND (
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(sl.transaction_type IN ('purchase', 'inventory-correction', 'self-production') AND sl.stock_id NOT IN (SELECT stock_id FROM stock_edited_entries)) -- Unedited origin entries
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OR (sl.transaction_type = 'stock-edit-new' AND sl.id IN (SELECT stock_log_id_of_newest_edited_entry FROM stock_edited_entries)) -- Edited origin entries => take the newest "stock-edit-new" one
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)
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AND IFNULL(sl.price, 0) > 0
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AND IFNULL(sl.amount, 0) > 0;
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