[
https://issues.apache.org/jira/browse/HIVE-25057?focusedWorklogId=589235&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-589235
]
ASF GitHub Bot logged work on HIVE-25057:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 26/Apr/21 13:13
Start Date: 26/Apr/21 13:13
Worklog Time Spent: 10m
Work Description: marton-bod commented on a change in pull request #2219:
URL: https://github.com/apache/hive/pull/2219#discussion_r620282921
##########
File path:
iceberg/iceberg-handler/src/test/java/org/apache/iceberg/mr/hive/TestHiveIcebergStorageHandlerWithEngine.java
##########
@@ -955,4 +1046,44 @@ private void validateBasicStats(Table icebergTable,
String dbName, String tableN
Assert.assertEquals(summary.get(entry.getValue()),
hmsParams.get(entry.getKey()));
}
}
+
+ private void validateMigration(String tableName, int recordCount) {
+ List<Object[]> originalResult = shell.executeStatement("SELECT * FROM " +
tableName + " ORDER BY a");
+ Assert.assertEquals(recordCount, originalResult.size());
+ List<Object[]> originalDescribe = shell.executeStatement("DESCRIBE
FORMATTED " + tableName);
+ validateDescribeOutput(originalDescribe, fileFormat.name());
+ shell.executeStatement("ALTER TABLE " + tableName + " SET TBLPROPERTIES " +
+
"('storage_handler'='org.apache.iceberg.mr.hive.HiveIcebergStorageHandler')");
+ List<Object[]> alterResult = shell.executeStatement("SELECT * FROM " +
tableName + " ORDER BY a");
+ Assert.assertEquals(originalResult.size(), alterResult.size());
Review comment:
Would it be difficult to check the contents as well, not just the size?
Just to make sure the data is all the same after the migration
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Issue Time Tracking
-------------------
Worklog Id: (was: 589235)
Time Spent: 2h 40m (was: 2.5h)
> Implement rollback for hive to iceberg migration
> ------------------------------------------------
>
> Key: HIVE-25057
> URL: https://issues.apache.org/jira/browse/HIVE-25057
> Project: Hive
> Issue Type: Improvement
> Reporter: László Pintér
> Assignee: László Pintér
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h 40m
> Remaining Estimate: 0h
>
> This is a follow-up Jira of HIVE-25008.
> In case of an error during hive to iceberg migration, the original hive table
> must be restored.
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