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How to store array of Python dicts in PostgreSQL?

I have a Django project and such array in it:

{(0,0):{'a':True,'b':False ... },(0,1):{'a':True,'b':True ... },(1,1):{'a':True,'b':False ... }... }

I need to store this array in PostgreSQL database. I thought the ArrayField could help, but I just have no idea how to declare such array. I've read https://docs.djangoproject.com/en/1.8/ref/contrib/postgres/fields/
but there was not my situation. Could you show me an example?

I'm using Django 1.8

over 4 years ago · Santiago Trujillo
2 answers
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0

JSON field should be perfect for you. https://docs.djangoproject.com/en/dev/ref/contrib/postgres/fields/#querying-jsonfield

from django.contrib.postgres.fields import JSONField
from django.db import models

class ModelName(models.Model):
    json_data = JSONField()

Now to save the data,

ModelName.objects.create(json_data={(0,0):{'a':True,'b':False ... },(0,1):{'a':True,'b':True ... },(1,1):{'a':True,'b':False ... }... })
over 4 years ago · Santiago Trujillo Report

0

PostgreSQL has two types you may want to check out,

  • jsonb
  • hstore

Both have overlapping functionality. JSON is part of the SQL 2016 spec though; hstore while having some advantages on JSONB is a PostgreSQL thing

over 4 years ago · Santiago Trujillo Report
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