小编Zen*_*Zen的帖子

我想写一个SQL更新语句，比如

UPDATE p
SET CASE WHEN inv.name='your' THEN p.your_qty=inv.qty
    CASE WHEN inv.name='other' THEN p.other_qty=inv.qty
    CASE WHEN inv.name='my' THEN p.my_qty=inv.qty
FROM products p
JOIN Qty_products_inv inv
ON p.itemNo= inv.itemNo