In openerp 7 list view i want to shows the state value sort in the order draft, assigned and cancel currently shows in Asc or Desc. But in my case we need sorting in the order draft, assigned and cancel state. Based on applied in order by in python file
For example in the
SQL the code:-
select state, date from object_name
ORDER BY CASE WHEN state = 'draft' THEN 0
WHEN state = 'assigned' THEN 1
WHEN state = 'cancel' THEN 2
ELSE 3
END, date desc
The above sql code applied in the python
_order = "CASE WHEN state='draft' THEN 0 WHEN state = 'assigned' THEN 1 ELSE 2 END, date desc"
In the above query sorting selection value working in the pg_admin but in the python code its shows below error
Invalid "order" specified. A valid "order" specification is a comma-separated list of valid field names (optionally followed by asc/desc for the direction)
Based on this sorting order by selection value how to apply in openerp ? Override search method also applied the same sql query but shows same issue
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