33 lines
1.4 KiB
Python
33 lines
1.4 KiB
Python
from sqlalchemy import Column, Integer, String, Numeric, Date, UniqueConstraint, func
|
|
|
|
from commons.models.mixin.steel import SteelMixin
|
|
from core.extensions import db
|
|
|
|
|
|
class SteelSection(db.Model, SteelMixin):
|
|
__tablename__ = 'STEEL_SECTION'
|
|
id = Column('ID', Integer, primary_key=True)
|
|
name = Column('NAME', String(128), default='', comment='名称')
|
|
spec = Column('SPEC', String(128), default='', comment='规格')
|
|
material = Column('MATERIAL', String(64), default='', comment='材质')
|
|
source = Column('SOURCE', String(64), default='', comment='产地')
|
|
price = Column('PRICE', Numeric(16, 4), default=0, comment='价格')
|
|
fluctuating = Column('FLUCTUATING', Numeric(16, 4), default=0, comment='浮动')
|
|
date = Column('DATE', Date, comment='日期')
|
|
|
|
__table_args__ = (
|
|
UniqueConstraint(name, spec, material, source, date, name='Idx_key'),
|
|
{'comment': '型钢'},
|
|
)
|
|
|
|
@classmethod
|
|
def get_items(cls, year, month, spec_in=('140*140*12', '25#'), source_in=('唐山弘泰', '唐山正丰'), name_in=('角钢', '工字钢')):
|
|
query = cls.query
|
|
query = cls.query_by_month(query, year, month)
|
|
query = query.filter(cls.spec.in_(spec_in))
|
|
query = query.filter(cls.source.in_(source_in))
|
|
query = query.filter(cls.name.in_(name_in))
|
|
query = query.with_entities(func.avg(cls.price))
|
|
result = query.all()
|
|
return result
|