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Example:
I have a model with a many2one to 'res.partner'. I have a lot of records in that model, dozens of thousands of records, and a few thousands in res.partner. I also have the necessary indexes.
Why is this:
search([('customer_id.name', 'like', 'somename')])
way faster than this:
search([('customer_id', 'like', 'somename')])
?
Good Question!
The default search for res.partner adds the searching of parent_id:
https://github.com/odoo/odoo/blob/14.0/odoo/addons/base/models/res_partner.py#L739
Your first search will look for Azure Interior in the name.
Your second search will look for Azure Interior in both the name AND the parent_id name.
Your second search is doing TWO searches at once!
Yes, I see. The difference is in the active_test parameter.
But the delay is not doubled, it is much more. About 1 min with one method and 1 second with the other one.
Anyway, I found a way to fix this, I redifined search method on my model to replace searches with customer_id with customer_id.name.
Thanks.
Actually, I don't think method _name_search has something to do. I commented that method out and the delay is still there.
My previous solution cause some other problems.
So, I had to implement a new one.
1- Create a function field that returns the same value as customer_id. Let's say customer_id2
2- Add a search function for that field, fnct_search=_search_by_customer. This function will search by customer_id.name
3- Remove customer_id from Advanced Search.
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Hi, thanks. I forgot to mention that I was using Odoo 8, but anyway the code is basically the same for that method.
I am not quite sure about why the double search is made. And I don't understand why the method is named "_search" and not "search".
But you gave me good hint.
Thank you.
The double search is to find the 10 people who work for Azure when you search for "Azure".