open:django-arrayfield [EL]

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# Django ArrayField

{{tag>django array field}}

## Model

```
class ProductTag(BaseModel):
    product = models.ForeignKey(Product, on_delete=models.CASCADE)
    tag_list = ArrayField(models.TextField(), null=True)
```

## Filter

```
class ProductTagView(APIView):
    def get(self, request):
        tag_list = request.GET.get('tag_list')

        if not tag_list:
            raise ParseError()

        tag_list = re.split(r'\s*,\s*', tag_list)
        product_tag_list = ProductTag.objects.filter(tag_list__contains=tag_list)

        product_tag_se = ProductTagSerializer(product_tag_list, many=True)
        return Response(product_tag_se.data)
```

```
product_tag_list = ProductTag.objects.filter(reduce(operator.and_, (Q(tag_list__contains=x) for x in tag_list)))
```

## 출처

- https://docs.djangoproject.com/en/3.1/ref/contrib/postgres/fields/