updateByPrimaryKey 和 updateByPrimaryKeySelective

1. 数据库记录

2. updateByPrimaryKey

1 Preparing: UPDATE t_token_info SET entity_id = ?,entity_type = ?,timeout_at = ?,create_at = ?,update_at = ?,valid = ? WHERE token = ? 
2 Parameters: (String), 1(Integer), null, 2018-11-27 09:29:39.0(Timestamp), 2018-11-27 16:14:32.0(Timestamp), true(Boolean), 123(String)

3. updateByPrimaryKeySelective：更新不为 null 的字段

1 Preparing: UPDATE t_token_info SET entity_id = ?,entity_type = ?,create_at = ?,update_at = ?,valid = ? WHERE token = ? 
2 Parameters: (String), 1(Integer), 2018-11-27 09:29:55.0(Timestamp), 2018-11-27 16:14:32.0(Timestamp), true(Boolean), 48626(String)
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原文地址：https://www.cnblogs.com/virgosnail/p/10027155.html