| | 17 | === Concepts |
| | 18 | |
| | 19 | There are 5 main types of fields: |
| | 20 | |
| | 21 | ===== Data fields |
| | 22 | A data field is any field that has an entry on the database, for example a CharField, BooleanField, a ForeignKey |
| | 23 | |
| | 24 | |
| | 25 | {{{ |
| | 26 | class Person(models.Model): |
| | 27 | # DATA field |
| | 28 | data_abstract = models.CharField(max_length=10) |
| | 29 | }}} |
| | 30 | |
| | 31 | |
| | 32 | ===== M2M fields |
| | 33 | A M2M field that is defined on the current model |
| | 34 | |
| | 35 | {{{ |
| | 36 | class Person(models.Model): |
| | 37 | # M2M fields |
| | 38 | friends = models.ManyToManyField('self', related_name='friends', symmetrical=True) |
| | 39 | }}} |
| | 40 | |
| | 41 | |
| | 42 | ===== Related Object |
| | 43 | A Related Object is a relation from another model (such as a ForeignKey) that points to the current model |
| | 44 | |
| | 45 | |
| | 46 | == Endpoints |