Mapping Class Inheritance Hierarchies Joined Table Inheritance Relationships with Joined Inheritance Loading Joined Inheritance Mappings Single Table Inheritance Relationships w...
Window functions Window functions peewee comes with support for SQL window functions, which can be created by calling Function.over() and passing in your partitioning or orde...
ROW_NUMBER() Description Syntax Examples ROW_NUMBER() Description ROW_NUMBER() provides a unique ordinal number for each row in the dataset, starting at one and endin...
Session.abortTransaction() Definition Behavior Atomicity Security Retryable Example Session.abortTransaction() Definition Session. abortTransaction () New in versio...
Inheritance super Covariance and Contravariance Inheritance Every class except Object , the hierarchy root, inherits from another class (its superclass). If you don’t specify ...
Inheritance super Covariance and Contravariance Inheritance Every class except Object , the hierarchy root, inherits from another class (its superclass). If you don’t specify ...
人力资源管理 关联员工和OpenERP用户,促进权限的管理 定义员工的账单价格和成本 定义员工分类,给不同的员工组别指定不同的休假权限 用合同起止日期、试用期来定义合同类型和工资类型 管理考勤(上班/下班) 人力资源管理 To establish a system that is integrated into the company’s ...