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• 1.0.3
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• ConflictStrategy.java

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com.huaweicloud.dws.client.model.ConflictStrategy Maven / Gradle / Ivy

package com.huaweicloud.dws.client.model;

/**
 * @ProjectName: dws-connector
 * @ClassName: WriteMode
 * @Description: 主键冲突后的处理策略
 * @Date: 2022/12/22 11:17
 * @Version: 1.0
 */
public enum ConflictStrategy {
    /**
     * 忽略冲突数据
     */
    INSERT_OR_IGNORE,
    /**
     * 更新新数据包含列
     */
    INSERT_OR_UPDATE,
    /**
     * 用新数据替换
     * 和INSERT_OR_UPDATE 相比，相当于对为设置的列执行 set NULL
     */
    INSERT_OR_REPLACE
}