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https://issues.apache.org/jira/browse/OFBIZ-1242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12527538
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Si Chen commented on OFBIZ-1242:
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#1 I think if you want to use some measure of how long a product takes to ship,
you should be using SupplierProduct not the ProductFacility entity.
#2 Then shouldn't the "isLate" flag be set? It seems always to be set to
"false"
> MRP days to ship and inventory event planned dates issues
> ---------------------------------------------------------
>
> Key: OFBIZ-1242
> URL: https://issues.apache.org/jira/browse/OFBIZ-1242
> Project: OFBiz
> Issue Type: Bug
> Reporter: Si Chen
>
> I noticed a couple of interesting issues with the MRP algorithm:
> It was using ProductFacility.daysToShip to create a buffer time for
> requirements, but it was doing it for all requirements, so even manufactured
> parts were having this buffer time added. I fixed it in 575413 by limiting
> days to ship to only sales order related requirements. However, I believe
> that daysToShip should be eliminated altogether in MRP, because I think this
> field should be used as an average value for customer-related "how long it
> takes to ship this order." The actual time to manufacture or order and
> receive an item may vary, depend on the priority of the order, etc. If a
> buffer process is required, it should be added for example as a manufacturing
> routing task.
> The other issue is that MRP will create inventory events in the past (ie,
> before the time when it's run.) I think we should limit it so that inventory
> events created should be now or in the future.
> If there are no comments to the contrary I will make these changes and commit
> them.
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