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https://issues.apache.org/jira/browse/SPARK-34203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17271087#comment-17271087
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Wenchen Fan commented on SPARK-34203:
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[~maxgekk] can you take a look?
> FileSource table null partition can not be dropped
> --------------------------------------------------
>
> Key: SPARK-34203
> URL: https://issues.apache.org/jira/browse/SPARK-34203
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.1, 3.1.0, 3.2.0
> Reporter: Kent Yao
> Priority: Major
>
> *case to reproduce*
> create table ppp(i string, j string) using parquet partitioned by (j);
> INSERT INTO ppp PARTITION (j=null) VALUES ('1');
> alter table ppp drop partition(j=null); --- success
> INSERT OVERWRITE ppp VALUES ('1', null); --- error
> Error in query: No partition is dropped. One partition spec 'Map(j -> null)'
> does not exist in table 'ppp' database 'default';
> alter table ppp drop partition(j='__HIVE_DEFAULT_PARTITION__'); --- then,
> this is need
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