值集-级联&附加列

1.级联：（1）如果条件中需要调用之前的参数，可以使用:$FLEX$.来调用，:$FLEX$.后面跟的是要调用的参数的值集名，而FLEX一定要大写，例如:$FLEX$.AR_SRS_OPERATING_UNITS (2)对于shipment = nvl(:$FLEX$.CUXSHIPMENT, shipment)和shipment = nvl(:$FLEX$.AR_SRS_OPERATING_UN

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