def modify_by_name(name, **modify_json):
"""
:param name:
:type name:
:param modify_json:
:type modify_json:
:return: number of row update, 0 if not find, error if modify_json is wrong
:rtype: int
"""
query = EBikeModel.update(**modify_json).where(EBikeModel.name == name)
return query.execute()
def num_sold_increment(name):
query = EBikeModel.update(num_view=EBikeModel.num_sold + 1) \
.where(EBikeModel.name == name)
return query.execute()
def num_view_increment(name):
# 获取num_view
# 递增num_view
query = EBikeModel.update(num_view=EBikeModel.num_view + 1) \
.where(EBikeModel.name == name)
return query.execute()