I can't seem to understand how fixed works, propagate creates a separate PO and link them to the source, then what does fixed in propagation of procurement group does?
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There are three options for “Propagation of Procurement Group”:
- Leave Empty – this will merge requirements
- Propagate - links related transfers (Odoo creates procurement groups as needed)
- Fixed – this allows you to specify a Procurement Group that will apply to all of the transfers created by a Rule.
The main use case for specifying a Fixed Procurement Group was on Reordering Rules to stop requirements being merged, but that seems to have stopped working!
Please follow the below use-case for your better understanding:
Example: "Fixed" vs. "Propagate" in Procurement Group Propagation
Scenario:
You have a main warehouse (WH1) and a sub-warehouse (WH2). The sub-warehouse (WH2) gets stock from the main warehouse (WH1), and WH1 purchases from an external vendor.
Case 1: Propagate (Creates Separate PO/MO per Demand)
A Sales Order (SO) is created for 10 units in WH2.
The procurement rule at WH2 requests stock from WH1.
WH1 propagates the demand and creates a linked PO to the vendor for 10 units.
The PO to the vendor is directly tied to the original SO, meaning if the SO changes, the procurement gets updated accordingly.
Case 2: Fixed (No Propagation, Predefined Replenishment Rules Apply)
A Sales Order (SO) is created for 10 units in WH2.
The procurement rule at WH2 requests stock from WH1, but instead of propagating the demand dynamically:
WH1 checks its existing replenishment rules.
If WH1 has a reorder rule (Min/Max stock), it triggers a PO only if stock is below the minimum threshold.
The PO is not directly linked to the Sales Order.
Even if the original SO is canceled or modified, the PO at WH1 remains unchanged since it follows a fixed procurement plan.
Can you add screenshots to explain the configuration and the flow? To the best of my understanding, setting it to "propagate" is never going to get Odoo to update a PO based upon changes on an SO. It would actually be useful in some scenarios!
I can't seem to understand Fixed by your test case, I can understand the logic but when you pick the "Fixed" option in propagation it comes with a field called fixed procurement group, how does that relates to the Fixed option and what's its functionality in the process?
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