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An enhanced toolkit of Mybatis to simplify development.

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/*
 * Copyright (c) 2011-2022, baomidou ([email protected]).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.baomidou.mybatisplus.annotation;

/**
 * 字段策略枚举类
 * 
 * 如果字段是基本数据类型则最终效果等同于 {@link #IGNORED}
 *
 * @author hubin
 * @since 2016-09-09
 */
public enum FieldStrategy {
    /**
     * 忽略判断
     */
    IGNORED,
    /**
     * 非NULL判断
     */
    NOT_NULL,
    /**
     * 非空判断(只对字符串类型字段,其他类型字段依然为非NULL判断)
     */
    NOT_EMPTY,
    /**
     * 默认的,一般只用于注解里
     * 
1. 在全局里代表 NOT_NULL
     * 2. 在注解里代表 跟随全局
     */
    DEFAULT,
    /**
     * 不加入 SQL
     */
    NEVER
}