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https://issues.apache.org/jira/browse/HIVE-28518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ayush Saxena resolved HIVE-28518.
---------------------------------
    Fix Version/s: 4.1.0
       Resolution: Fixed

> Hive in-place migration to iceberg fails when there is a timestamp column
> -------------------------------------------------------------------------
>
>                 Key: HIVE-28518
>                 URL: https://issues.apache.org/jira/browse/HIVE-28518
>             Project: Hive
>          Issue Type: Bug
>            Reporter: sachin
>            Assignee: Gopinath
>            Priority: Major
>              Labels: hive-4.1.0-must, pull-request-available
>             Fix For: 4.1.0
>
>
> Hive in-place migration to iceberg fails when there is a timestamp column
> Below are the steps to reproduce the issue.
> {noformat}
> CREATE EXTERNAL TABLE test(`id` int,`name` string,`dt` timestamp)STORED AS 
> PARQUET;
> insert into test values (1, "test name" , cast('2024-08-09 14:08:26.326107' 
> as timestamp));
> select * from test;
> ALTER TABLE test SET TBLPROPERTIES 
> ('storage_handler'='org.apache.iceberg.mr.hive.HiveIcebergStorageHandler', 
> 'format-version' = '2');
> select * from test;
> {noformat}
> Stack Trace - 
> {noformat}
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: 
> java.lang.ClassCastException: java.time.OffsetDateTime cannot be cast to 
> java.time.LocalDateTime
>       at 
> org.apache.hadoop.hive.ql.exec.ListSinkOperator.process(ListSinkOperator.java:98)
>       at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:888)
>       at 
> org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:94)
>       at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:888)
>       at 
> org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:173)
>       at 
> org.apache.hadoop.hive.ql.exec.FetchOperator.pushRow(FetchOperator.java:545)
>       at 
> org.apache.hadoop.hive.ql.exec.FetchOperator.pushRow(FetchOperator.java:537)
>       at 
> org.apache.hadoop.hive.ql.exec.FetchTask.executeInner(FetchTask.java:194)
>       ... 55 more
> Caused by: java.lang.ClassCastException: java.time.OffsetDateTime cannot be 
> cast to java.time.LocalDateTime
>       at 
> org.apache.iceberg.mr.hive.serde.objectinspector.IcebergTimestampObjectInspectorHive3.getPrimitiveJavaObject(IcebergTimestampObjectInspectorHive3.java:58)
>       at 
> org.apache.iceberg.mr.hive.serde.objectinspector.IcebergTimestampObjectInspectorHive3.getPrimitiveWritableObject(IcebergTimestampObjectInspectorHive3.java:64)
>       at 
> org.apache.hadoop.hive.serde2.lazy.LazyUtils.writePrimitiveUTF8(LazyUtils.java:308)
>       at 
> org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe.serialize(LazySimpleSerDe.java:308)
>       at 
> org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe.serializeField(LazySimpleSerDe.java:263)
>       at 
> org.apache.hadoop.hive.serde2.DelimitedJSONSerDe.serializeField(DelimitedJSONSerDe.java:72)
>       at 
> org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe.doSerialize(LazySimpleSerDe.java:247)
>       at 
> org.apache.hadoop.hive.serde2.AbstractEncodingAwareSerDe.serialize(AbstractEncodingAwareSerDe.java:53)
>       at 
> org.apache.hadoop.hive.serde2.DefaultFetchFormatter.convert(DefaultFetchFormatter.java:67)
>       at 
> org.apache.hadoop.hive.serde2.DefaultFetchFormatter.convert(DefaultFetchFormatter.java:36)
>       at 
> org.apache.hadoop.hive.ql.exec.ListSinkOperator.process(ListSinkOperator.java:94)
>       ... 62 more{noformat}



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