SQLAlchemy:带有case语句的逻辑运算符
这是我的mssql代码片段SQLAlchemy:带有case语句的逻辑运算符,sqlalchemy,Sqlalchemy,这是我的mssql代码片段 SELECT Sum((Case When me.status not in ('CLOSED','VOID') and me.pc_cd in ('IK','JM') Then 1 else 0 end)) as current_cd from ccd_pvc me with(nolock) 如果我在sqlalchemy中编写上述语句,我将如何在case语句中使用和运算符 我试过这样做,但没有成功 case([and_((ccd_pvc.status.in_
SELECT
Sum((Case When me.status not in ('CLOSED','VOID') and me.pc_cd in ('IK','JM')
Then 1 else 0 end)) as current_cd
from
ccd_pvc me with(nolock)
如果我在sqlalchemy中编写上述语句,我将如何在case语句中使用和运算符
我试过这样做,但没有成功
case([and_((ccd_pvc.status.in_(['CLOSED', 'VOID']),ccd_pvc.pc_cd.in_(['IK','JM'])),
literal_column("'greaterthan100'"))])
我已经搜索了,但没有找到有关在case语句中使用逻辑运算符的信息
有一些关于这方面的信息。这应该让您开始:
ccd_pvc = aliased(CcdPvc, name="me")
expr = func.sum(
case([(and_(
ccd_pvc.status.in_(['CLOSED', 'VOID']),
ccd_pvc.pc_cd.in_(['IK', 'JM'])
), 1)], else_=0)
).label("current_cd")
q = session.query(expr)
这应该让你开始:
ccd_pvc = aliased(CcdPvc, name="me")
expr = func.sum(
case([(and_(
ccd_pvc.status.in_(['CLOSED', 'VOID']),
ccd_pvc.pc_cd.in_(['IK', 'JM'])
), 1)], else_=0)
).label("current_cd")
q = session.query(expr)
这应该让你开始:
ccd_pvc = aliased(CcdPvc, name="me")
expr = func.sum(
case([(and_(
ccd_pvc.status.in_(['CLOSED', 'VOID']),
ccd_pvc.pc_cd.in_(['IK', 'JM'])
), 1)], else_=0)
).label("current_cd")
q = session.query(expr)
这应该让你开始:
ccd_pvc = aliased(CcdPvc, name="me")
expr = func.sum(
case([(and_(
ccd_pvc.status.in_(['CLOSED', 'VOID']),
ccd_pvc.pc_cd.in_(['IK', 'JM'])
), 1)], else_=0)
).label("current_cd")
q = session.query(expr)