[jira] [Commented] (HIVE-25849) Disable insert overwrite for bucket partitioned Iceberg tables
[ https://issues.apache.org/jira/browse/HIVE-25849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17470700#comment-17470700 ] Marton Bod commented on HIVE-25849: --- Pushed to master. Thanks [~szita] and [~pvary] for checking it. > Disable insert overwrite for bucket partitioned Iceberg tables > -- > > Key: HIVE-25849 > URL: https://issues.apache.org/jira/browse/HIVE-25849 > Project: Hive > Issue Type: Improvement >Reporter: Marton Bod >Assignee: Marton Bod >Priority: Major > Labels: pull-request-available > Time Spent: 10m > Remaining Estimate: 0h > > Insert overwrite should be disabled where the target Iceberg table is a > bucket partitioned table, since which existing partitions will be overwritten > is very hard to predict from a user's POV, as it depends on the bucket hash > values calculated for the new dataset's rows. It's better to be on the safe > side and disable this operation to avoid unwanted data loss. > Note: this the same approach followed by Impala too. -- This message was sent by Atlassian Jira (v8.20.1#820001)
[jira] [Commented] (HIVE-25849) Disable insert overwrite for bucket partitioned Iceberg tables
[ https://issues.apache.org/jira/browse/HIVE-25849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17469972#comment-17469972 ] Marton Bod commented on HIVE-25849: --- PR: [https://github.com/apache/hive/pull/2856/] > Disable insert overwrite for bucket partitioned Iceberg tables > -- > > Key: HIVE-25849 > URL: https://issues.apache.org/jira/browse/HIVE-25849 > Project: Hive > Issue Type: Improvement >Reporter: Marton Bod >Assignee: Marton Bod >Priority: Major > > Insert overwrite should be disabled where the target Iceberg table is a > bucket partitioned table, since which existing partitions will be overwritten > is very hard to predict from a user's POV, as it depends on the bucket hash > values calculated for the new dataset's rows. It's better to be on the safe > side and disable this operation to avoid unwanted data loss. -- This message was sent by Atlassian Jira (v8.20.1#820001)