33 lines
1.3 KiB
Python
33 lines
1.3 KiB
Python
"""add_notifications
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Revision ID: b8c9d0e1f2a3
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Revises: a7b8c9d0e1f2
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Create Date: 2026-08-07
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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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revision: str = "b8c9d0e1f2a3"
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down_revision: Union[str, None] = "a7b8c9d0e1f2"
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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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"notifications",
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sa.Column("id", sa.UUID(), primary_key=True, server_default=sa.text("gen_random_uuid()")),
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sa.Column("user_id", sa.String(64), nullable=False, index=True, comment="接收人ID（逻辑外键→老系统）"),
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sa.Column("title", sa.String(200), nullable=False, comment="通知标题"),
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sa.Column("content", sa.Text(), nullable=False, comment="通知内容详情"),
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sa.Column("type", sa.String(20), nullable=False, comment="通知类型: TRANSFER(转交派发) | REJECT(驳回)"),
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sa.Column("task_id", sa.UUID(), sa.ForeignKey("tasks.id", ondelete="SET NULL"), nullable=True, comment="关联任务ID"),
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sa.Column("is_read", sa.Boolean(), server_default=sa.text("false"), comment="是否已读"),
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sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), comment="创建时间"),
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)
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def downgrade() -> None:
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op.drop_table("notifications")
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