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Shinya O avatar image
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Shinya O asked Shinya O edited

Find an item with zero subnode length in the storage system

Hi,

I am trying to find an item with zero subnode length in the storage system, but my sample model does not work.

Is my query wrong?

Thanks in advance.

ISNULLsample.fsm

FlexSim 23.0.8
queryfinditem
isnullsample.fsm (41.2 KiB)
5 |100000
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Felix Möhlmann avatar image
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Felix Möhlmann answered Shinya O edited

- The keyword item in the storage query refers to the Slot.Item class representation of the stored item. To check the number of subnodes you have to first get the actual object with item.item.

- ISNULL seems to return 0 if there are no subnodes regardless of the second parameter. You could also just check for the number of subnodes.

WHERE ISNULL(item.item.first, 0) == 0

WHERE item.item.subnodes.length < 1
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Shinya O avatar image Shinya O commented ·

Thank you very much.

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