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HIVE-28518: Iceberg: Fix ClassCastException during in-place migration to Iceberg tables with timestamp columns #5590

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merged 3 commits into from
Jan 27, 2025
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HIVE-28518: Iceberg: Fix ClassCastException during in-place migration to Iceberg tables with timestamp columns #5590

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6c4c4f0
HIVE-28518: Iceberg: ClassCastException during in-place migration to …
ggangadharan Dec 25, 2024
4b724b9
Merge branch 'apache:master' into HIVE-28518
ggangadharan Jan 21, 2025
f8e075d
HIVE-28518: Iceberg: ClassCastException during in-place migration to …
ggangadharan Jan 21, 2025
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12 changes: 11 additions & 1 deletion ...rg/apache/iceberg/mr/hive/serde/objectinspector/IcebergTimestampObjectInspectorHive3.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
package org.apache.iceberg.mr.hive.serde.objectinspector;

import java.time.LocalDateTime;
import java.time.OffsetDateTime;
import java.time.ZoneOffset;
import org.apache.hadoop.hive.common.type.Timestamp;
import org.apache.hadoop.hive.serde2.io.TimestampWritableV2;
Expand Down Expand Up @@ -55,7 +56,16 @@ public Timestamp getPrimitiveJavaObject(Object o) {
if (o == null) {
return null;
}
LocalDateTime time = (LocalDateTime) o;
LocalDateTime time;
if (o instanceof LocalDateTime) {
time = (LocalDateTime) o;
} else if (o instanceof OffsetDateTime) {
OffsetDateTime odt = (OffsetDateTime) o;
time = odt.atZoneSameInstant(TypeInfoFactory.timestampLocalTZTypeInfo.getTimeZone()).toLocalDateTime();
} else {
throw new ClassCastException(String.format("An unexpected type %s was passed as timestamp. " +
"Expected LocalDateTime/OffsetDateTime", o.getClass().getName()));
}
return Timestamp.ofEpochMilli(time.toInstant(ZoneOffset.UTC).toEpochMilli(), time.getNano());
}

Expand Down
7 changes: 7 additions & 0 deletions ...eberg-handler/src/test/queries/positive/iceberg_inplace_migration_with_timestamp_column.q
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@@ -0,0 +1,7 @@
CREATE EXTERNAL TABLE hive_28518_test(`id` int,`name` string,`dt` timestamp) STORED AS PARQUET;
insert into hive_28518_test values (1, "test name" , cast('2024-08-09 14:08:26.326107' as timestamp));
ALTER TABLE hive_28518_test SET TBLPROPERTIES ('storage_handler'='org.apache.iceberg.mr.hive.HiveIcebergStorageHandler', 'format-version' = '2');
set hive.fetch.task.conversion=more;
select * from hive_28518_test;
set hive.fetch.task.conversion=none;
select * from hive_28518_test;
45 changes: 45 additions & 0 deletions ...g-handler/src/test/results/positive/iceberg_inplace_migration_with_timestamp_column.q.out
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@@ -0,0 +1,45 @@
PREHOOK: query: CREATE EXTERNAL TABLE hive_28518_test(`id` int,`name` string,`dt` timestamp) STORED AS PARQUET
PREHOOK: type: CREATETABLE
PREHOOK: Output: database:default
PREHOOK: Output: default@hive_28518_test
POSTHOOK: query: CREATE EXTERNAL TABLE hive_28518_test(`id` int,`name` string,`dt` timestamp) STORED AS PARQUET
POSTHOOK: type: CREATETABLE
POSTHOOK: Output: database:default
POSTHOOK: Output: default@hive_28518_test
PREHOOK: query: insert into hive_28518_test values (1, "test name" , cast('2024-08-09 14:08:26.326107' as timestamp))
PREHOOK: type: QUERY
PREHOOK: Input: _dummy_database@_dummy_table
PREHOOK: Output: default@hive_28518_test
POSTHOOK: query: insert into hive_28518_test values (1, "test name" , cast('2024-08-09 14:08:26.326107' as timestamp))
POSTHOOK: type: QUERY
POSTHOOK: Input: _dummy_database@_dummy_table
POSTHOOK: Output: default@hive_28518_test
POSTHOOK: Lineage: hive_28518_test.dt SCRIPT []
POSTHOOK: Lineage: hive_28518_test.id SCRIPT []
POSTHOOK: Lineage: hive_28518_test.name SCRIPT []
PREHOOK: query: ALTER TABLE hive_28518_test SET TBLPROPERTIES ('storage_handler'='org.apache.iceberg.mr.hive.HiveIcebergStorageHandler', 'format-version' = '2')
PREHOOK: type: ALTERTABLE_PROPERTIES
PREHOOK: Input: default@hive_28518_test
PREHOOK: Output: default@hive_28518_test
POSTHOOK: query: ALTER TABLE hive_28518_test SET TBLPROPERTIES ('storage_handler'='org.apache.iceberg.mr.hive.HiveIcebergStorageHandler', 'format-version' = '2')
POSTHOOK: type: ALTERTABLE_PROPERTIES
POSTHOOK: Input: default@hive_28518_test
POSTHOOK: Output: default@hive_28518_test
PREHOOK: query: select * from hive_28518_test
PREHOOK: type: QUERY
PREHOOK: Input: default@hive_28518_test
PREHOOK: Output: hdfs://### HDFS PATH ###
POSTHOOK: query: select * from hive_28518_test
POSTHOOK: type: QUERY
POSTHOOK: Input: default@hive_28518_test
POSTHOOK: Output: hdfs://### HDFS PATH ###
1 test name 2024-08-09 14:08:26.326107
PREHOOK: query: select * from hive_28518_test
PREHOOK: type: QUERY
PREHOOK: Input: default@hive_28518_test
PREHOOK: Output: hdfs://### HDFS PATH ###
POSTHOOK: query: select * from hive_28518_test
POSTHOOK: type: QUERY
POSTHOOK: Input: default@hive_28518_test
POSTHOOK: Output: hdfs://### HDFS PATH ###
1 test name 2024-08-09 14:08:26.326107
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