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[HIVE-5873] SubQuery: In subquery Count Bug
...This is from the Optimization of Nested SQl Queries Revisited paper: http://dl.acm.org/citation.cfm?id=38723Consider Part table having:PNum OrderOnHand-------- ------------------3 &nb...
, 2017-02-13, 22:09
[HIVE-13112] Expose Lineage information in case of CTAS
...This is not happening because Lineage is being exposed by MoveTask which checks for a LoadTableDesc. In case of CTAS the table is created after the MoveTask.Proposed solution is to add a fla...
, 2016-09-07, 11:08
[HIVE-7062] Support Streaming mode in Windowing
...1. Have the Windowing Table Function support streaming mode.2. Have special handling for Ranking UDAFs.3. Have special handling for Sum/Avg for fixed size Wdws....
, 2016-06-03, 00:59
[VOTE] Bylaws change to allow some commits without review
- [mail # user]
...+1On Mon, Apr 25, 2016 at 2:40 PM Lars Francke wrote: ...
, 2016-05-23, 15:45
[HIVE-6013] Supporting Quoted Identifiers in Column Names
...Hive's current behavior on Quoted Identifiers is different from the normal interpretation. Quoted Identifier (using backticks) has a special interpretation for Select expressions(as Regular ...
, 2016-01-04, 10:38
[HIVE-6643] Add a check for cross products in plans and output a warning
...Now that we support old style join syntax, it is easy to write queries that generate a plan with a cross product.For e.g. say you have A join B join C join D on A.x = B.x and A.y = D.y and C...
, 2015-10-08, 02:11
[HIVE-7000] Several issues with javadoc generation
...1.Ran 'mvn javadoc:javadoc -Phadoop-2'. Encountered several issues Generated classes are included in the javadoc generation fails in the top level hcatalog folder because its src...
, 2015-08-26, 00:59
[HIVE-6727] Table level stats for external tables are set incorrectly
...if you do the following:CREATE EXTERNAL TABLE anaylyze_external (a INT) LOCATION 'data/files/ext_test';describe formatted anaylyze_external;The table level stats are:Table Parameters: COLUMN...
, 2015-06-04, 01:37
[HIVE-10586] Plans for Queries with Select distinct and Windowing are incorrect
...Thanks to Yin Huai for pointing this out.The Plan generated has the GBy Operator(for the Select Distinct) placed below the PTFOp. One would expect the Select Distinct to happen last. Yin Hua...
, 2015-05-03, 17:21
[HIVE-10585] Range based Windowing is handled incorrectly for String types
...Thanks to Yin Huai for pointing this out.I think the thought for ordinal datatypes (like string) was to measure distance as the number of changed values. So 2 preceding would mean go b...
, 2015-05-03, 17:12
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