Django

Code

Ticket #2473: in_empty_list.diff

File in_empty_list.diff, 0.7 kB (added by adurdin@gmail.com, 2 years ago)

  • django/db/models/query.py

    old new  
    641641    except KeyError: 
    642642        pass 
    643643    if lookup_type == 'in': 
    644         return '%s%s IN (%s)' % (table_prefix, field_name, ','.join(['%s' for v in value])) 
     644        ids = list(value) 
     645        if ids: 
     646            return '%s%s IN (%s)' % (table_prefix, field_name, ','.join(['%s' for id in ids])) 
     647        else: 
     648            return '0'  
    645649    elif lookup_type == 'range': 
    646650        return '%s%s BETWEEN %%s AND %%s' % (table_prefix, field_name) 
    647651    elif lookup_type in ('year', 'month', 'day'):