duxingchen
b14773f81b
- 新增 ProductMessage 模型，挂载在 products.id（ON DELETE CASCADE）
- GET/POST /products/{id}/messages 接口
- 注册到 Alembic 自动发现
34 lines
991 B
Python
34 lines
991 B
Python
"""add_product_messages
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Revision ID: g1h2i3j4k5l6
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Revises: c9d0e1f2a3b4
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Create Date: 2026-08-10
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"""
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from typing import Sequence, Union
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.dialects import postgresql
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revision: str = "g1h2i3j4k5l6"
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down_revision: Union[str, None] = "c9d0e1f2a3b4"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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op.create_table(
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"product_messages",
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sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
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sa.Column("product_id", postgresql.UUID(as_uuid=True),
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sa.ForeignKey("products.id", ondelete="CASCADE"),
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index=True, nullable=False),
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sa.Column("operator_id", sa.String(50), nullable=False),
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sa.Column("content", sa.Text, nullable=False),
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sa.Column("created_at", sa.DateTime, nullable=True),
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)
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def downgrade() -> None:
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op.drop_table("product_messages")
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