20 lines
505 B
Python
20 lines
505 B
Python
"""为产品推介材料版本增加宣传长图路径。"""
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from alembic import op
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revision = "20260910_promotion_poster"
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down_revision = "20260910_promotion_material"
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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op.execute(
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"ALTER TABLE promotion_material_version "
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"ADD COLUMN poster_path VARCHAR(500) NULL AFTER pdf_path"
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)
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def downgrade() -> None:
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raise RuntimeError("产品推介材料业务数据禁止自动删除，请使用前向兼容迁移")
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