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https://issues.apache.org/jira/browse/HIVE-27682?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhihua Deng resolved HIVE-27682.
--------------------------------
Fix Version/s: 4.0.0
Resolution: Fixed
Fix has been merged to master. Thank you [~hemanth619] for the review!
> AlterTableAlterPartitionOperation cannot change the column type if the table
> has default partition
> --------------------------------------------------------------------------------------------------
>
> Key: HIVE-27682
> URL: https://issues.apache.org/jira/browse/HIVE-27682
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2
> Reporter: Zhihua Deng
> Assignee: Zhihua Deng
> Priority: Minor
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> Steps to repro the case :
> {noformat}
> create database pt;
> create table pt.alterdynamic_part_table(intcol string) partitioned by
> (partcol1 string, partcol2 string);
> insert into table pt.alterdynamic_part_table partition(partcol1, partcol2)
> select NULL, '2', NULL;
> alter table pt.alterdynamic_part_table partition column (partcol2
> int);{noformat}
> Exception is thrown:
> {noformat}
> org.apache.hadoop.hive.ql.metadata.HiveException: Exception while checking
> type conversion of existing partition values to FieldSchema(name:partcol2,
> type:int, comment:null) : Exception while converting string to int for value
> : NULL
> at
> org.apache.hadoop.hive.ql.ddl.table.partition.alter.AlterTableAlterPartitionOperation.check(AlterTableAlterPartitionOperation.java:69)
> at
> org.apache.hadoop.hive.ql.ddl.table.partition.alter.AlterTableAlterPartitionOperation.execute(AlterTableAlterPartitionOperation.java:55){noformat}
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