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translate update_quality of plsql

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This commit is contained in:
fpellet 2019-12-13 10:17:04 +01:00
parent a7c0d1dcbf
commit b32ab99649
1 changed files with 72 additions and 0 deletions
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72
postgres/update_quality.sql Normal file
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CREATE OR REPLACE PROCEDURE update_quality()
LANGUAGE plpgsql
AS $$
DECLARE
c_items CURSOR FOR
SELECT name, sell_in, quality FROM item FOR UPDATE;
l_item RECORD;
l_name item.name%TYPE;
l_sell_in item.sell_in%TYPE;
l_quality item.quality%TYPE;
BEGIN
OPEN c_items;
LOOP
FETCH c_items INTO l_item;
EXIT WHEN NOT FOUND;
l_name := l_item.name;
l_sell_in := l_item.sell_in;
l_quality := l_item.quality;
IF l_name <> 'Aged Brie' AND l_name <> 'Backstage passes to a TAFKAL80ETC concert' THEN
IF l_quality > 0 THEN
IF l_name <> 'Sulfuras, Hand of Ragnaros' THEN
l_quality := l_quality - 1;
END IF;
END IF;
ELSE
IF (l_quality < 50) THEN
l_quality := l_quality + 1;
IF l_name = 'Backstage passes to a TAFKAL80ETC concert' THEN
IF l_sell_in < 11 THEN
IF l_quality < 50 THEN
l_quality := l_quality + 1;
END IF;
END IF;
IF l_sell_in < 6 THEN
IF l_quality < 50 THEN
l_quality := l_quality + 1;
END IF;
END IF;
END IF;
END IF;
END IF;
IF l_name <> 'Sulfuras, Hand of Ragnaros' THEN
l_sell_in := l_sell_in - 1;
END IF;
IF l_sell_in < 0 THEN
IF l_name <> 'Aged Brie' THEN
IF l_name <> 'Backstage passes to a TAFKAL80ETC concert' THEN
IF l_quality > 0 THEN
IF l_name <> 'Sulfuras, Hand of Ragnaros' THEN
l_quality := l_quality - 1;
END IF;
END IF;
ELSE
l_quality := l_quality - l_quality;
END IF;
ELSE
IF l_quality < 50 THEN
l_quality := l_quality + 1;
END IF;
END IF;
END IF;
UPDATE item
SET name = l_name, sell_in = l_sell_in, quality = l_quality WHERE CURRENT OF c_items;
END LOOP;
CLOSE c_items;
END;
$$;