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[HIVE-6129] alter exchange is implemented in inverted manner
...see https://issues.apache.org/jira/browse/HIVE-4095?focusedCommentId=13819885&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13819885alter exchange should ...
, 2016-12-12, 02:27
[HIVE-4689] For outerjoins, joinEmitInterval might make wrong result
...Alias filter tag is calculated for each group and used for outer joins. But if joinEmitInterval is smaller than the group size, pre-matured alias filter tag would be used and might introduce...
, 2016-12-01, 11:52
[HIVE-4924] JDBC: Support query timeout for jdbc
...support Statement.setQueryTimeout(int timeout)...
, 2016-10-04, 15:21
[HIVE-7087] Remove lineage information after query completion
...Lineage information is stacked in session and is not cleared before the session is closed. That also makes redundant lineage logs in q.out files for all of the queries after any inserts, whi...
, 2016-07-20, 00:04
[HIVE-6329] Support column level encryption/decryption
...Receiving some requirements on encryption recently but hive is not supporting it. Before the full implementation via HIVE-5207, this might be useful for some cases.hive> create table enco...
, 2016-07-06, 06:59
[HIVE-11752] Pre-materializing complex CTE queries
...Currently, hive regards CTE clauses as a simple alias to the query block, which makes redundant works if it's used multiple times in a query. This introduces a reference threshold for pre-ma...
, 2016-05-19, 11:14
[HIVE-9615] Provide limit context for storage handlers
...Propagate limit context generated from GlobalLimitOptimizer to storage handlers....
, 2016-05-10, 12:53
[HIVE-4841] Add partition level hook to HiveMetaHook
...Current HiveMetaHook provides hooks for tables only. With partition level hook, external storages also could be revised to exploit PPR....
, 2016-04-12, 09:01
[HIVE-12373] Interner should return identical map or list
...Currently, HiveStringUtils.intern(map/list) returns new instance of map or list. But it would break some usage style of code something like below (it's spark code in HiveMetastoreCatalog)val...
, 2016-01-31, 22:36
[HIVE-4152] Lock owner should be allowed to acquire lock again on EmbeddedLockManager
...If a query owns lock on a path, it should be allowed to acquire lock on it again with success. Current EmbeddedLockManager returns null in this situation and makes some query to wait infinit...
, 2016-01-04, 20:29
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