39 lines
2.0 KiB
Python
39 lines
2.0 KiB
Python
# Generated by Django 5.2.1 on 2025-05-23 10:58
|
||
|
||
import django.db.models.deletion
|
||
from django.conf import settings
|
||
from django.db import migrations, models
|
||
|
||
|
||
class Migration(migrations.Migration):
|
||
|
||
initial = True
|
||
|
||
dependencies = [
|
||
migrations.swappable_dependency(settings.AUTH_USER_MODEL),
|
||
]
|
||
|
||
operations = [
|
||
migrations.CreateModel(
|
||
name='ChatHistory',
|
||
fields=[
|
||
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
|
||
('knowledge_base_id', models.CharField(default='b680a4fa-37be-11f0-a7cb-0242ac120002', help_text='知识库ID，用于兼容原有结构', max_length=100)),
|
||
('conversation_id', models.CharField(db_index=True, max_length=100)),
|
||
('title', models.CharField(blank=True, default='New chat', help_text='对话标题', max_length=100, null=True)),
|
||
('parent_id', models.CharField(blank=True, max_length=100, null=True)),
|
||
('role', models.CharField(choices=[('user', '用户'), ('assistant', 'AI助手'), ('system', '系统')], max_length=20)),
|
||
('content', models.TextField()),
|
||
('tokens', models.IntegerField(default=0, help_text='消息token数')),
|
||
('metadata', models.JSONField(blank=True, default=dict, help_text='存储额外信息')),
|
||
('created_at', models.DateTimeField(auto_now_add=True)),
|
||
('is_deleted', models.BooleanField(default=False)),
|
||
('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
|
||
],
|
||
options={
|
||
'ordering': ['created_at'],
|
||
'indexes': [models.Index(fields=['conversation_id', 'created_at'], name='chat_chathi_convers_90ca0c_idx'), models.Index(fields=['user', 'created_at'], name='chat_chathi_user_id_326d36_idx'), models.Index(fields=['conversation_id', 'is_deleted'], name='chat_chathi_convers_bcd094_idx')],
|
||
},
|
||
),
|
||
]
|