[
https://issues.apache.org/jira/browse/HIVE-25057?focusedWorklogId=589804&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-589804
]
ASF GitHub Bot logged work on HIVE-25057:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 27/Apr/21 15:18
Start Date: 27/Apr/21 15:18
Worklog Time Spent: 10m
Work Description: lcspinter commented on a change in pull request #2219:
URL: https://github.com/apache/hive/pull/2219#discussion_r621314290
##########
File path:
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergMetaHook.java
##########
@@ -254,6 +263,35 @@ 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 {
+ if
(Boolean.valueOf(context.getProperties().getOrDefault(MIGRATE_HIVE_TO_ICEBERG,
"false"))) {
+ LOG.debug("Initiating rollback for table {} at location {}",
+ hmsTable.getTableName(), hmsTable.getSd().getLocation());
+ context.getProperties().put(INITIALIZE_ROLLBACK_MIGRATION, "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:
I'm confused too :). This shouldn't be there.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
Issue Time Tracking
-------------------
Worklog Id: (was: 589804)
Time Spent: 6h 50m (was: 6h 40m)
> 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: 6h 50m
> 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.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
