#!/usr/bin/env python
# encoding: utf-8


from tortoise import fields, models


class ChemicalCategory(models.Model):
    category_id = fields.IntField(pk=True, description='化学品种类序号')
    storage_id = fields.IntField(description='配存序号')
    category_name = fields.CharField(max_length=255, description='种类名称')
    parent_category = fields.CharField(max_length=255, description='父级种类')
    grandparent_category = fields.CharField(max_length=255, description='祖父级种类')
    remark = fields.CharField(max_length=255, description='备注')  # 已用作大类别标识

    class Meta:
        table = 'chemical_category'
        table_description = '化学品种类表'