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[imp] modified meaning of operation 5 on o2m to delete the pointed rows if on delete cascade 

bzr revid: nicolas.vanhoren@openerp.com-20110629162746-dn0tosycss4a0cne
This commit is contained in:
niv-openerp 2011-06-29 18:27:46 +02:00
parent 36d98cb14f
commit fa19ca6e47
1 changed files with 7 additions and 1 deletions
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8
openerp/osv/fields.py
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@ -525,7 +525,13 @@ class one2many(_column):
# Must use write() to recompute parent_store structure if needed
obj.write(cr, user, [act[1]], {self._fields_id:id}, context=context or {})
elif act[0] == 5:
cr.execute('update '+_table+' set '+self._fields_id+'=null where '+self._fields_id+'=%s', (id,))
reverse_rel = obj._all_columns.get(self._fields_id)
assert reverse_rel, 'Trying to unlink the content of a o2m but the pointed object does not have a m2o'
# if the pointed object has on delete cascade, just delete it
if reverse_rel.column.ondelete == "cascade":
obj.unlink(cr, user, obj.search(cr, user, [(self._fields_id,'=',id)], context), context)
else:
cr.execute('update '+_table+' set '+self._fields_id+'=null where '+self._fields_id+'=%s', (id,))
elif act[0] == 6:
# Must use write() to recompute parent_store structure if needed
obj.write(cr, user, act[2], {self._fields_id:id}, context=context or {})