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https://issues.apache.org/jira/browse/HIVE-2908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Phabricator updated HIVE-2908:
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Attachment: HIVE-2908.D2523.2.patch
sambavim updated the revision "HIVE-2908 [jira] Hive: Extend ALTER TABLE DROP
PARTITION syntax to use all comparators".
Reviewers: JIRA, njain, kevinwilfong
Updated the error message generated in DDLSemanticAnalyzer.java when the drop
partition filter does not generate any partitions to drop.
Tested the drop_partitions_filter test with a filter d < 2 instead of d < '2'
- the former does not work, and the implementation of getPartitionsWithFilter
says that it only works on string partition keys. Somehow providing a string
value for the integer key seems to work although this seems hacky. The
documentation should mention that this is only for string keys.
When and how should I update the documentation?
REVISION DETAIL
https://reviews.facebook.net/D2523
AFFECTED FILES
ql/src/test/results/clientpositive/drop_partitions_filter.q.out
ql/src/test/results/clientpositive/drop_multi_partitions.q.out
ql/src/test/results/clientnegative/drop_partition_filter_failure.q.out
ql/src/test/results/clientnegative/drop_partition_failure.q.out
ql/src/test/queries/clientpositive/drop_partitions_filter.q
ql/src/test/queries/clientnegative/drop_partition_filter_failure.q
ql/src/java/org/apache/hadoop/hive/ql/plan/DropTableDesc.java
ql/src/java/org/apache/hadoop/hive/ql/plan/PartitionSpec.java
ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g
ql/src/java/org/apache/hadoop/hive/ql/parse/DDLSemanticAnalyzer.java
ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java
> Hive: Extend ALTER TABLE DROP PARTITION syntax to use all comparators
> ---------------------------------------------------------------------
>
> Key: HIVE-2908
> URL: https://issues.apache.org/jira/browse/HIVE-2908
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Sambavi Muthukrishnan
> Assignee: Sambavi Muthukrishnan
> Priority: Minor
> Attachments: HIVE-2908.D2523.1.patch, HIVE-2908.D2523.2.patch
>
> Original Estimate: 96h
> Remaining Estimate: 96h
>
> To drop a partition from a Hive table, this works:
> ALTER TABLE foo DROP PARTITION(ds = 'date')
> ...but it should also work to drop all partitions prior to date.
> ALTER TABLE foo DROP PARTITION(ds < 'date')
> This task is to implement ALTER TABLE DROP PARTITION for all of the
> comparators, < > <= >= <> = != instead of just for =.
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