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[FIX] models: allow empty selection list 

If a selection field is created with an empty list of choices (e.g. added by
submodules), initialise the field as a varchar column (most common).
Check if the list exists to avoid crashing while checking the type of the first
key.
Fixes #3810
This commit is contained in:
Csaba Tóth 2015-02-02 10:51:05 +01:00 committed by Martin Trigaux
parent 68b8286d5f
commit ac845819ee
1 changed files with 1 additions and 1 deletions
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openerp/models.py
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@ -190,7 +190,7 @@ def get_pg_type(f, type_override=None):
elif issubclass(field_type, (fields.char, fields.reference)):
pg_type = ('varchar', pg_varchar(f.size))
elif issubclass(field_type, fields.selection):
if (isinstance(f.selection, list) and isinstance(f.selection[0][0], int))\
if (f.selection and isinstance(f.selection, list) and isinstance(f.selection[0][0], int))\
or getattr(f, 'size', None) == -1:
pg_type = ('int4', 'INTEGER')
else: