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Test/review/rework (and hopefully finalized) new price handling

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This commit is contained in:
Bernd Bestel
2020-11-10 18:11:33 +01:00
parent 33a6a28208
commit 68eeb07e5f
44 changed files with 461 additions and 495 deletions
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migrations/0117.sql Normal file
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DROP VIEW quantity_unit_conversions_resolved;
CREATE VIEW quantity_unit_conversions_resolved
AS
-- First: Product "purchase to stock" conversion factor
SELECT
p.id AS id, -- Dummy, LessQL needs an id column
p.id AS product_id,
p.qu_id_purchase AS from_qu_id,
qu_from.name AS from_qu_name,
p.qu_id_stock AS to_qu_id,
qu_to.name AS to_qu_name,
p.qu_factor_purchase_to_stock AS factor
FROM products p
JOIN quantity_units qu_from
ON p.qu_id_purchase = qu_from.id
JOIN quantity_units qu_to
ON p.qu_id_stock = qu_to.id
UNION -- Inversed
SELECT
p.id AS id, -- Dummy, LessQL needs an id column
p.id AS product_id,
p.qu_id_stock AS from_qu_id,
qu_to.name AS from_qu_name,
p.qu_id_purchase AS to_qu_id,
qu_from.name AS to_qu_name,
1 / p.qu_factor_purchase_to_stock AS factor
FROM products p
JOIN quantity_units qu_from
ON p.qu_id_purchase = qu_from.id
JOIN quantity_units qu_to
ON p.qu_id_stock = qu_to.id
UNION
-- Second: Product specific overrides
SELECT
p.id AS id, -- Dummy, LessQL needs an id column
p.id AS product_id,
quc.from_qu_id AS from_qu_id,
qu_from.name AS from_qu_name,
quc.to_qu_id AS to_qu_id,
qu_to.name AS to_qu_name,
quc.factor AS factor
FROM products p
JOIN quantity_unit_conversions quc
ON p.id = quc.product_id
JOIN quantity_units qu_from
ON quc.from_qu_id = qu_from.id
JOIN quantity_units qu_to
ON quc.to_qu_id = qu_to.id
UNION
-- Third: Default quantity unit conversion factors
SELECT
p.id AS id, -- Dummy, LessQL needs an id column
p.id AS product_id,
p.qu_id_stock AS from_qu_id,
qu_from.name AS from_qu_name,
quc.to_qu_id AS to_qu_id,
qu_to.name AS to_qu_name,
quc.factor AS factor
FROM products p
JOIN quantity_unit_conversions quc
ON p.qu_id_stock = quc.from_qu_id
AND quc.product_id IS NULL
JOIN quantity_units qu_from
ON quc.from_qu_id = qu_from.id
JOIN quantity_units qu_to
ON quc.to_qu_id = qu_to.id;