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René Schuster

--René Schuster--
1763
| 7 7 8
Weinheim, Germany
--René Schuster--

Challenge Everything!

René Schuster
7/23/14, 3:49 AM

As prakash says: The i is for case insensitive. While the "= prefix" searches for exact matching. Without the "= prefix", the orm will add % wildcards arround your search term.

Examples:

[('name', 'like', 'dog')]

This will find recods with name 'dog', 'dogs', 'bulldog', ... but not 'Dog'.

[('name', '=like', 'dog')]

This will find records with name 'dog' (it's almost exactly like the '=' operator).

[('name', 'ilike', 'dog')]

This is the most universal search. It will find records with name 'dog', 'DOGS', 'Bulldog', etc..

['name', '=ilike', 'dog')]

This will find records with name 'dog', 'DOG', 'Dog', 'DOg', DoG', 'dOG', 'doG' and 'dOg'.

They use '=ilike' in your crm/wizard example to match the email case insensitively, so that any capital letter is ignored in the search, since some mail clients allow capitol letters in email addresses, while others doesn't, I think.

 

Honestly, I have never seen or used the '=?' operator...

 

I think 'child_of' is somethink like an iterative search for child-relations:

[('parent_id', 'child_of', root_id)]

This will list all children and their children ... and so on for the root_id.

 

Regards.

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Prakash

--Prakash--

3546
| 5 6 7
Bikaner, India
--Prakash--

OpenERP Developer at SunARC Technology

Prakash
7/23/14, 2:06 AM

ILIKE keyword in PostgreSQL provides case insensitive search.

Reference:-  http://solaimurugan.blogspot.in/2010/07/ilike-operator-in-postgresql.html

2 Comments
Atchuthan - Technical Consultant, Sodexis Inc
7/23/14, 2:23 AM

so in cases why would we use =ilike?? In CRM/wizard/crm_lead_to_opportunity.py(line no:68) ids = lead_obj.search(cr, uid, [('email_from', '=ilike', email[0]), ('state', '!=', 'done')])

Prakash
7/23/14, 4:00 AM

please see the link http://stackoverflow.com/questions/4752705/case-insensitive-searches-queries based on the link examples need to use 'ilike'. But in the openerp Lead example it check only single record we can also use '=' instead of 'ilike'. Example:- [('email_from', '=', email[0]), ('state', '!=', 'done')]

1
Guillaume Pothier
11/20/16, 3:43 PM

The difference between like/ilike and =like/=ilike is that with like/ilike, Odoo automatically appends and prepends a '%' to the search string before passing it to the database. So [('name', 'like', 'dog')] is equivalent to [('name', '=like', '%dog%')]. So you could use =like if you need to find the search string at the only beginning of the column, for instance [('name', '=like', 'dog%')]

1
Audrius
12/5/14, 3:17 AM

'=?' operator makes the term TRUE if right statement is None or False otherwise behaves like '='

Reference:

openerp/osv/expression.py:1169

if right is False or right is None: 

# '=?' is a short-circuit that makes the term TRUE if right is None or False 

query = 'TRUE'

params = [] 

else

# '=?' behaves like '=' in other cases 

query, params = self.__leaf_to_sql( create_substitution_leaf(eleaf, (left, '=', right), model))

Sample: openerp/addons/base/tests/test_expression.py:120

user_ids = users_obj.search(cr, uid, [('name', 'like', 'test'), ('parent_id', '=?', False)]) 

self.assertEqual(set(user_ids), set([a, b1, b2]), '(x =? False) failed')

As it is shown in example, parent_id cannot be False if value doesn't exist: '=?' returns True or parent_id value

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