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[HIVE-4197] Bring windowing support inline with SQL Standard - Hive - [issue]
...The current behavior defers from the Standard in several significant places.Please review attached doc; there are still a few open issues. Once we agree on the behavior, can proceed with fix...
http://issues.apache.org/jira/browse/HIVE-4197    Author: Harish Butani, 2013-09-02, 08:38
Re: What is this windowing query supposed to do? - Hive - [mail # user]
...In your 3rd query the OVER clause is being ignored because there is no associated Aggregation Function. This has been fixed in HIVE-4214. The query fails with the following error: 'cannot re...
   Author: Harish Butani, 2013-09-02, 00:36
[HIVE-4964] Cleanup PTF code: remove code dealing with non standard sql behavior we had original introduced - Hive - [issue]
...There are still pieces of code that deal with: supporting select expressions with Windowing supporting a filter with windowingNeed to do this before introducing  Perf. improvements....
http://issues.apache.org/jira/browse/HIVE-4964    Author: Harish Butani, 2013-08-30, 13:42
Re: First/last in npath - Hive - [mail # user]
...Can you try this:  select search_terms, productid, clicks_to_product from npath ( on clicks                  distributed by sessionid sort b...
   Author: Harish Butani, 2013-08-22, 00:48
[HIVE-5125] Better error messages from Windowing queries - Hive - [issue]
...There are 2 issues. Ranking invocations must notify user of their relation to the Order clause. When all fn invocations have the same Partition and Order spec, there is no need to talk about...
http://issues.apache.org/jira/browse/HIVE-5125    Author: Harish Butani, 2013-08-20, 18:26
Re: Problem with rank() and dense_rank() - Hive - [mail # user]
...Regarding the issue posted with rank and dense_rank. The example posted was:  CREATE TABLE test (a INT); EXPLAIN SELECT   DENSE_RANK() OVER (PARTITION BY a),   a FROM test; &n...
   Author: Harish Butani, 2013-08-20, 02:27
[HIVE-4255] update show_functions.q.out for functions added for windowing - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-4255    Author: Harish Butani, 2013-05-16, 22:11
[HIVE-3985] Update new UDAFs introduced for Windowing to work with new Decimal Type - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-3985    Author: Harish Butani, 2013-05-16, 22:11
[HIVE-3984] Maintain a clear separation between Windowing & PTF at the specification level. - Hive - [issue]
...This has multiple pieces: redefine the PTF Spec classes, as described in the Data Structs doc in Hive-896 refactor PTFDesc classes based on this design refactor translation: both Phase 1 &am...
http://issues.apache.org/jira/browse/HIVE-3984    Author: Harish Butani, 2013-05-16, 22:11
[HIVE-4358] Check for Map side processing in PTFOp is no longer valid - Hive - [issue]
...With the changes for ReduceSinkDedup it is no longer true that a non Map-side PTF Operator is preceded by an ExtractOp. For e.g. following query can produce the issue:create view IF NOT EXIS...
http://issues.apache.org/jira/browse/HIVE-4358    Author: Harish Butani, 2013-04-28, 21:34
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