com.alibaba.druid.sql.parser.ParserException: syntax error,expect IS, actual EQ id

本文介绍了一个具体的SQL语法错误案例及解决方法。通过在表名后正确使用'as'关键字定义别名,解决了由语法错误导致的查询失败问题。

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Caused by: com.alibaba.druid.sql.parser.ParserException: syntax error, error in :’icle.id = comment.article_id’,expect IS, actual EQ id

解决方法:表的别名前加上as

原sql

   SELECT
            article.id as article_id,
            article.title as article_title,
            article.content as article_content,
            article.author_id as article_author_id,
            comment.id as comment_id,
            comment.content as comment_content,
            comment.date as comment_date
        FROM
            article article
        LEFT  JOIN
            comment comment
        ON
            article.id = comment.article_id

现sql

   SELECT
            article.id as article_id,
            article.title as article_title,
            article.content as article_content,
            article.author_id as article_author_id,
            comment.id as comment_id,
            comment.content as comment_content,
            comment.date as comment_date
        FROM
            article as article
        LEFT  JOIN
            comment as comment
        ON
            article.id = comment.article_id
更新流程业务表数据失败:nested exception is org.apache.ibatis.exceptions.PersistenceException: ### Error updating database. Cause: com.alibaba.druid.sql.parser.ParserException: syntax error, error in :' , copper wire_produce , ', expect ), actual null, pos 1347, line 72, column 21, token IDENTIFIER wire_produce ### The error may exist in URL [jar:file:/D:/ZeroCloud/setup_win_v5.0.0_rc4/setup_win/files/services/system-service/zerocloud-system-service.jar!/BOOT-INF/classes!/mapper/FormDataMapper.xml] ### The error may involve com.zerocloud.system.mapper.FormDataMapper.insertRow-Inline ### The error occurred while setting parameters ### SQL: INSERT INTO Pur_GongYingShangShiYang ( apply_name , apply_no , apply_date , apply_dept_no , apply_dept_name , business_key , sn , proc_state , supplier_name , shiyebu , shiyang_leixing , chanpin_fenlei , caigou_no , xuqiu_bumen , prd_no , shiyang_cishu , guige_canshu , supplier_no , purchase_ID , gongchengkahao , qty , produce_date , produce_dept , changpinliaohao , changpinguige , sujiaoshengchancanshu , sujiaowuliaoshiyongqingkuang , sujiaoliaohao , sujiaopihao , sujiao_qty , wire_produce , wire_use , irradiation_produce , irradiation_use , copper wire_produce , copper wire_use , high speed_produce , high speed_use , new energy_produce , new energy_use , process_report , finished product_report , pinbaojielun , gongchengjianyijijielun , final_conclusion , next_business_key , Acknowledgment ) VALUES ( ? , ? , ? , ? , ? , ? , NULL , NULL , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL , NULL ) ### Cause: com.alibaba.druid.sql.parser.ParserException: syntax error, error in :' , copper wire_produce , ', expect ), actual null, pos 1347, line 72, column 21, token IDENTIFIER wire_produce
03-15
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