liucongjy opened a new issue, #12771: URL: https://github.com/apache/hudi/issues/12771
**_Tips before filing an issue_** - Have you gone through our [FAQs](https://hudi.apache.org/learn/faq/)? - Join the mailing list to engage in conversations and get faster support at [email protected]. - If you have triaged this as a bug, then file an [issue](https://issues.apache.org/jira/projects/HUDI/issues) directly. **Describe the problem you faced** A clear and concise description of the problem. **To Reproduce** Steps to reproduce the behavior: 1. create table dll CREATE TABLE zdyj_ehr.ehr_etbj_csyxzm ( wdsyh STRING , hzjcsyh STRING , jgdm STRING , jgmc STRING , csyxzmbh STRING , xsexm STRING , jlsj TIMESTAMP) using hudi location '/user/hive/warehouse/ws.db/ehr_etbj_csyxzm' TBLPROPERTIES(type='cow' ,primaryKey='wdsyh','hoodie.datasource.write.recordkey.field'='wdsyh' ,preCombineField='gxsj' ,'hoodie.table.partition.fields'='jlsj', 'hoodie.table.keygenerator.class' = 'org.apache.hudi.keygen.TimestampBasedKeyGenerator', 'hoodie.datasource.write.keygenerator.class' = 'org.apache.hudi.keygen.TimestampBasedKeyGenerator', 'hoodie.keygen.timebased.timestamp.type' = 'DATE_STRING', 'hoodie.keygen.timebased.timezone' = 'GMT+8:00', 'hoodie.keygen.timebased.input.dateformat' = 'yyyy-MM-dd hh:mm:ss', 'hoodie.keygen.timebased.output.dateformat' = 'yyyyMM', 'hoodie.schema.on.read.enable' = 'true', 'hoodie.datasource.write.keygenerator.consistent.logical.timestamp.enabled' = 'true') partitioned by(jlsj); 2.using spark sql add data to ehr_etbj_csyxzm insert into ehr_etbj_csyxzm values('t001','h001','j01','zhongyiyuan','ttt','tom',current_timestamp()); 3.query data using hive shell select * from ehr_etbj_csyxzm jlsj field value is '2018-08-14 00:00:00' 4.using spark sql alter table add new column alter table ehr_etbj_csyxzm add columns(ext1 string comment '扩展字段1'); 5.query data using hive shell select * from ehr_etbj_csyxzm 新加字段ext1 值为'2018-08-14 00:00:00'，原有字段jlsj的值为空 正确结果应该是 字段ext1的值为空，jlsj值为'2018-08-14 00:00:00'  **Expected behavior** A clear and concise description of what you expected to happen. **Environment Description** * Hudi version : 0.15 * Spark version : 3.3.0 * Hive version : 2.3.9 * Hadoop version : 3.0 * Storage (HDFS/S3/GCS..) :hdfs * Running on Docker? (yes/no) :no **Additional context** Add any other context about the problem here. **Stacktrace** ```Add the stacktrace of the error.``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
