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What kinds of operations are available on a recordset?

Atte Isopuro
on 9/3/14, 4:31 AM 4,037 views

If we obtain a recordset of model instances (through search() or browse()), what kinds of operations are available? Can recordsets be added (set + set)? Can they be appended to (setA.append(record))?

Does the recordset behave like some well known Pythonic structure (like list)? If not, is there some kind of reference that lists what operations are and aren't available?


Hi, Operations on recordset are

record in recset1           # include
record not in recset1       # not include
recset1 + recset2           # extend
recset1 | recset2           # union
recset1 & recset2           # intersect
recset1 - recset2           # difference

Thank you for the prompt answer. I was also wondering if there are list-like operations available for single recordsets, like recordset[3:7] to get records 3 through 7 from the recordset?

Atte Isopuro
on 9/3/14, 4:55 AM
Akhil P Sivan
On 10/29/15, 11:36 PM


Other recordset operations:

1. sorted(): To sort a recordset

# sort records by name
recset.sorted(key=lambda r: r.name)

2. filtered(): To filter a recordset:

# only keep records whose company is the current user's
records.filtered(lambda r: r.company_id == user.company_id)

# only keep records whose partner is a company

3. mapped(): To map a recordset by applying the provided function to each record in the recordset and returns a recordset if the results are recordsets.

recordset.mapped(lambda record: record.amount + record.tax_amount)

# returns a list of name

# returns a recordset of partners

Osval Reyes
On 10/29/15, 7:35 PM

Is there anyway to apply a .search([]) call in a recordset?

I'm not aware of being able to do this directly. What you need to do is explicitly narrow your domain to that recordset using the recordset's 'ids' attribute. So say you have a recordset partners, and you want to find out which of those partners are suppliers. Then you would do:

self.env['res.partner'].search([ ( 'id', 'in', partners.ids ), ( 'supplier', '=', True ) ])

Atte Isopuro
on 9/16/16, 6:03 AM

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Asked: 9/3/14, 4:31 AM
Seen: 4037 times
Last updated: 10/30/15, 3:35 AM