A functional index can return any standard SQL type except for large objects.

除大型对象外，函数索引可以返回任何标准sql类型。

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A product with a functional fault which would result in a product return.

产品存在功能性问题会引起退货。

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A product with a functional fault which would result in a product return.

产品存在功能性问题会引起退货。

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