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Ticket #6523: 6523.diff

File 6523.diff, 1.5 kB (added by dcwatson, 5 months ago)

text matching for non-text fields in PostgreSQL 8.3

  • django/db/backends/postgresql/operations.py

    old new  
    3535    def deferrable_sql(self): 
    3636        return " DEFERRABLE INITIALLY DEFERRED" 
    3737 
     38    def lookup_cast(self, lookup_type): 
     39        if lookup_type in ('iexact', 'contains', 'icontains', 'startswith', 'istartswith', 
     40                             'endswith', 'iendswith'): 
     41            return "%s::text" 
     42        return "%s" 
     43 
    3844    def field_cast_sql(self, db_type): 
    3945        if db_type == 'inet': 
    4046            return 'HOST(%s)' 

  • tests/modeltests/lookup/models.py

    old new  
    3434>>> a7 = Article(headline='Article 7', pub_date=datetime(2005, 7, 27)) 
    3535>>> a7.save() 
    3636 
     37# text matching tests for PostgreSQL 8.3 
     38>>> Article.objects.filter(id__iexact='1') 
     39[<Article: Article 1>] 
     40>>> Article.objects.filter(pub_date__startswith='2005') 
     41[<Article: Article 5>, <Article: Article 6>, <Article: Article 4>, <Article: Article 2>, <Article: Article 3>, <Article: Article 7>, <Article: Article 1>] 
     42 
    3743# Each QuerySet gets iterator(), which is a generator that "lazily" returns 
    3844# results using database-level iteration. 
    3945>>> for a in Article.objects.iterator():