Caused by: java.sql.SQLException: Operand should contain 1 column(s

Caused by: java.sql.SQLException: Operand should contain 1 column(s)这个错误是由于写MyBatis语法错误引起的。具体来说，错误出现在使用MyBatis进行批量插入MySQL时的XML配置中。在这段配置中，insert语句中的foreach标签用于遍历一个Java List，并将其元素插入到数据库中。然而，错误的根本原因是在插入语句中的某个地方，出现了一个不应该存在的多个列的操作数。这可能是由于在foreach标签中的SQL语句中使用了错误的语法，导致在生成SQL时出现了错误的列数。为了解决这个问题，需要检查insert语句中的foreach标签的SQL语句，并确保其中的列操作数与数据库表的列数匹配。<span class="em">1</span><span class="em">2</span><span class="em">3</span> #### 引用[.reference_title] - *1* [mybatis Cause: java.sql.SQLException: Operand should contain 1 column(s)](https://blog.csdn.net/banana1006034246/article/details/88357264)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"] - *2* [Android Caused by: java.lang.ClassNotFoundException解决办法](https://download.csdn.net/download/weixin_38557980/14018181)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"] - *3* [Caused by: java.sql.SQLException: Operand should contain 1 column(s)](https://blog.csdn.net/you23hai45/article/details/45511479)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"] [ .reference_list ]