[Bug 557326] Re: Search for disctint values using the ORM

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[Bug 557326] Re: Search for disctint values using the ORM

Numérigraphe-2
Has this been implemented already?

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https://bugs.launchpad.net/bugs/557326

Title:
  Search for disctint values using the ORM

Status in OpenERP Server:
  Confirmed

Bug description:
  Answers for Question #106692 indicate that for the moment we can't do a "SELECT DISTINCT" using the ORM : see https://answers.launchpad.net/openobject-addons/+question/106692
  There are cases where this would be useful (like searching the order ids in order lines), so I propose we add a new parameter "distinct=False" to the read() method of th OSVs.
  When set to True, it would return distinct tuples only.
  It seems easy to add in osv using a SELECT DISTINCT statement.
  It may be a bit more tricky in osv_memory, and it will run slower of course, and none sane will use it there I suppose, so we should just throw a "not implemented" exception I guess.
  Lionel

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