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Co-authored-by: aider (openai/DeepSeek-V3.2-Thinking) <aider@aider.chat>
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dxc
2026-02-09 15:07:54 +08:00
parent fdf22b9973
commit 40abb53721
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inventory-backend/app/models/bom.py Normal file
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from app.extensions import db
class BomTable(db.Model):
__tablename__ = 'bom_table'
id = db.Column(db.Integer, primary_key=True)
parent_id = db.Column(db.Integer, db.ForeignKey('material_base.id'), nullable=False)
child_id = db.Column(db.Integer, db.ForeignKey('material_base.id'), nullable=False)
bom_no = db.Column(db.String(100), comment='BOM编号')
version = db.Column(db.String(50), comment='版本')
dosage = db.Column(db.Numeric(19, 4), comment='用量')
loss_rate = db.Column(db.Numeric(5, 2), comment='损耗率%')
remark = db.Column(db.Text, comment='备注')
# relationships
parent = db.relationship('MaterialBase', foreign_keys=[parent_id], backref='bom_parents')
child = db.relationship('MaterialBase', foreign_keys=[child_id], backref='bom_children')