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我在postgres中有一个查询问题,表cgporders_items有一个名为return的字段,我不能用这个查询得到该字段的实际结果,它返回我al ceros 。在postgreSQL中选择一个名为“return”的字段
SELECT "Cgporder".id AS "Cgporder__id"
,"Sale".preorder_number AS "Sale__preorder_number"
,"Contact".id AS "Contact__id"
,"Contact".NAME AS "Contact__name"
,"Ptype".NAME AS "Ptype__name"
,(
SELECT code
FROM products
WHERE id = "CgporderItem".parent_id
) AS "Product__parent_code"
,"Product".id AS "Product__id"
,"Product".code AS "Product__code"
,"Product".NAME AS "Product__name"
,"CgporderItem".quantity AS "CgporderItem__quantity"
,"CgporderItem".return AS "CgporderItem__return"
,"CgporderItem".cep_id AS "CgporderItem__cep"
FROM cgporders AS "Cgporder"
INNER JOIN contacts AS "Contact" ON ("Contact".id = "Cgporder".contact_id)
INNER JOIN cgporders_items AS "CgporderItem" ON ("Cgporder".id = "CgporderItem".cgporder_id)
INNER JOIN products AS "Product" ON ("Product".id = "CgporderItem".product_id)
INNER JOIN ptypes AS "Ptype" ON ("Ptype".id = "Product".ptype_id)
LEFT JOIN cgporders_sales AS "CgporderSale" ON ("Cgporder".id = "CgporderSale".cgporder_id)
LEFT JOIN sales AS "Sale" ON ("Sale".id = "CgporderSale".sale_id)
WHERE "CgporderItem".parent_id != 0
AND "Cgporder"."issue_date" >= '2015-11-27'
AND "Cgporder"."issue_date" <= '2015-11-27'
AND "Cgporder"."status" = 'confirmed'
ORDER BY "Ptype".NAME
,"Product"."code";
实际上有大量的行符合选择条件,但它的“CgporderItem”回归CERO .return AS“CgporderItem__return”
如果我做出这样选择“回归”一个简单的查询从cgporders_items它的工作原理。但在这个查询中它不起作用。
你能帮助我吗?
您是否试过''CgporderItem“。”return“AS”CgporderItem__return“'?返回是一个保留字,它必须被引用。 – fvu
是的,我已经尝试过,但它也不起作用 – juanpscotto