[IMP] developer/reference: deprecated path traversal in mapped Model.mapped()
odoo/odoo#187299
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@ -1113,13 +1113,17 @@ Map
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.. note::
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Since V13, multi-relational field access is supported and works like a mapped call:
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Accessing relational attributes returns the union of the recordsets.
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You should probably always use simple attribute access and only ``mapped``
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when you may have multiple records and you want to get a value for each
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record in the recordset.
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.. code-block:: python3
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records.partner_id # == records.mapped('partner_id')
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records.partner_id.bank_ids # == records.mapped('partner_id.bank_ids')
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records.partner_id.mapped('name') # == records.mapped('partner_id.name')
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records.partner_id # union of partner_id from records
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records.mapped('partner_id') # same as previous
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records.partner_id.bank_ids # union of banks of partners of records
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records.partner_id.mapped('name') # for each partner of records, get the name
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Sort
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~~~~
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@ -12,6 +12,8 @@ Odoo Online version 18.1
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- Declare constraints and indexes as model attributes with `#175783 <https://github.com/odoo/odoo/pull/175783>`_.
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- The `json` controllers have been renamed to `jsonrpc`. They are called the same, only the
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`type` in the python files changed. See `#183636 <https://github.com/odoo/odoo/pull/183636>`_.
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- Models' `mapped` and `filtered` stop accepting paths as strings.
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See `#187299 <https://github.com/odoo/odoo/pull/187299>`_.
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Odoo version 18.0
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=================
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@ -124,7 +124,7 @@ our minimal property offers template file:
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</tr>
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</thead>
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<tbody>
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<t t-set="offers" t-value="property.mapped('offer_ids')"/>
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<t t-set="offers" t-value="property.offer_ids"/>
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<tr t-foreach="offers" t-as="offer">
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<td>
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<span t-field="offer.price"/>
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