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feat: add non-null and unique constraints to BOM model

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Co-authored-by: aider (openai/DeepSeek-V3.2-Thinking) <aider@aider.chat>
This commit is contained in:
dxc
2026-02-12 09:41:40 +08:00
parent 6d5d8a6aad
commit 32f031b047
1 changed files with 6 additions and 2 deletions
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8
inventory-backend/app/models/bom.py
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@ -6,12 +6,16 @@ class BomTable(db.Model):
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')
bom_no = db.Column(db.String(100), nullable=False, comment='BOM编号')
version = db.Column(db.String(50), nullable=False, default='v1', comment='版本')
dosage = db.Column(db.Numeric(19, 4), comment='个数')
loss_rate = db.Column(db.Numeric(5, 2), comment='损耗率%(已废弃)', default=0, nullable=True)
remark = db.Column(db.Text, comment='备注')
__table_args__ = (
db.UniqueConstraint('bom_no', 'parent_id', 'child_id', name='uniq_bom_no_parent_child'),
)
# relationships
parent = db.relationship('MaterialBase', foreign_keys=[parent_id], backref='bom_parents')
child = db.relationship('MaterialBase', foreign_keys=[child_id], backref='bom_children')