Left join web2py DAL多个左连接
可能吗?我尝试了以下方法:Left join web2py DAL多个左连接,left-join,web2py,Left Join,Web2py,可能吗?我尝试了以下方法: rows=db().select(db.division.ALL, db.department.ALL, db.section.ALL, \ left=db.section.on(db.department.id==db.section.department_id) & \ db.department.on(db.division.id==db.department.division_id)) 错误表示不支持。请将其作为列表进行尝试: lef
rows=db().select(db.division.ALL, db.department.ALL, db.section.ALL, \
left=db.section.on(db.department.id==db.section.department_id) & \
db.department.on(db.division.id==db.department.division_id))
错误表示不支持。请将其作为列表进行尝试:
left=[db.section.on(db.department.id==db.section.department_id),
db.department.on(db.division.id==db.department.division_id)]