37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
"""add missing columns if users table exists without them
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Revision ID: 003
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Revises: 002
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Create Date: 2025-02-05
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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 = "003"
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down_revision: Union[str, None] = "002"
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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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# 检查 users 表是否存在 role 列，若不存在则添加
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conn = op.get_bind()
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inspector = sa.inspect(conn)
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columns = [c["name"] for c in inspector.get_columns("users")] if inspector.has_table("users") else []
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if "users" in inspector.get_table_names():
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if "role" not in columns:
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op.add_column("users", sa.Column("role", sa.String(32), nullable=False, server_default="admin"))
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if "is_active" not in columns:
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op.add_column("users", sa.Column("is_active", sa.Boolean(), nullable=False, server_default="true"))
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if "created_at" not in columns:
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op.add_column("users", sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=True))
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def downgrade() -> None:
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# 可选：移除这些列（通常不需要）
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pass
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