[
https://issues.apache.org/jira/browse/HIVE-25057?focusedWorklogId=589312&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-589312
]
ASF GitHub Bot logged work on HIVE-25057:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 26/Apr/21 15:49
Start Date: 26/Apr/21 15:49
Worklog Time Spent: 10m
Work Description: lcspinter commented on a change in pull request #2219:
URL: https://github.com/apache/hive/pull/2219#discussion_r620403936
##########
File path:
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergMetaHook.java
##########
@@ -254,6 +262,32 @@ public void
commitAlterTable(org.apache.hadoop.hive.metastore.api.Table hmsTable
}
}
+ @Override
+ public void rollbackAlterTable(org.apache.hadoop.hive.metastore.api.Table
hmsTable, EnvironmentContext context)
+ throws MetaException {
+ context.getProperties().put(INITIALIZE_ROLLBACK_ALTER, "true");
+ this.catalogProperties = getCatalogProperties(hmsTable);
+ try {
+ this.icebergTable = Catalogs.loadTable(conf, catalogProperties);
+ } catch (NoSuchTableException nte) {
+ // iceberg table was not yet created, no need to delete the metadata dir
separately
+ return;
+ }
+ // we want to keep the data files but get rid of the metadata directory
+ hmsTable.getParameters().put(InputFormatConfig.EXTERNAL_TABLE_PURGE,
"FALSE");
Review comment:
No, it won't :). This is some leftover code from the previous
implementation, which I forgot to remove.
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Issue Time Tracking
-------------------
Worklog Id: (was: 589312)
Time Spent: 5h 20m (was: 5h 10m)
> 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: 5h 20m
> 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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