from django.db import models

class ConceptClass(models.Model):
    concept_class_id = models.CharField(
        primary_key=True, max_length=20
    )
    
    concept_class_name = models.CharField(
        max_length=255
    )
    
    concept_class_concept_id = models.IntegerField(

    )

    class Meta:
        managed = False
        db_table = 'omop"."concept_class'