mirror of
https://github.com/karpathy/nanochat.git
synced 2026-05-16 12:47:34 +00:00
4b4aca642a
- Alembic async migrations: users, conversations, messages, is_favorited - FastAPI auth service: Google + GitHub OAuth, RS256 JWT, refresh cookie - /auth/me, /auth/refresh, /auth/validate (service-to-service) - rate limiting 10/min on OAuth routes, CORS locked to FRONTEND_URL Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
"""create messages table
|
|
|
|
Revision ID: 003_create_messages
|
|
Revises: 002_create_conversations
|
|
Create Date: 2026-04-16
|
|
|
|
"""
|
|
from __future__ import annotations
|
|
|
|
from typing import Sequence, Union
|
|
|
|
import sqlalchemy as sa
|
|
from alembic import op
|
|
from sqlalchemy.dialects import postgresql
|
|
|
|
revision: str = "003_create_messages"
|
|
down_revision: Union[str, None] = "002_create_conversations"
|
|
branch_labels: Union[str, Sequence[str], None] = None
|
|
depends_on: Union[str, Sequence[str], None] = None
|
|
|
|
|
|
def upgrade() -> None:
|
|
op.create_table(
|
|
"messages",
|
|
sa.Column(
|
|
"id",
|
|
postgresql.UUID(as_uuid=True),
|
|
primary_key=True,
|
|
server_default=sa.text("gen_random_uuid()"),
|
|
),
|
|
sa.Column(
|
|
"conversation_id",
|
|
postgresql.UUID(as_uuid=True),
|
|
sa.ForeignKey("conversations.id", ondelete="CASCADE"),
|
|
nullable=False,
|
|
),
|
|
sa.Column("role", sa.String(length=20), nullable=False),
|
|
sa.Column("content", sa.Text(), nullable=False),
|
|
sa.Column("token_count", sa.Integer(), nullable=True),
|
|
sa.Column("model_tag", sa.String(length=100), nullable=True),
|
|
sa.Column("inference_time_ms", sa.Integer(), nullable=True),
|
|
sa.Column(
|
|
"created_at",
|
|
sa.TIMESTAMP(timezone=True),
|
|
server_default=sa.text("NOW()"),
|
|
),
|
|
sa.CheckConstraint(
|
|
"role IN ('user','assistant','system')",
|
|
name="ck_messages_role",
|
|
),
|
|
)
|
|
op.create_index(
|
|
"idx_messages_conversation",
|
|
"messages",
|
|
["conversation_id", sa.text("created_at ASC")],
|
|
)
|
|
|
|
|
|
def downgrade() -> None:
|
|
op.drop_index("idx_messages_conversation", table_name="messages")
|
|
op.drop_table("messages")
|