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[HIVE-7283] CBO: plumb in HepPlanner and FieldTrimmer(ColumnPruner) into Optiq based planning - Hive - [issue]
...1.HepPlanner initially used for: Predicate Pushdown Transitive Predicate inference Partition Pruning2. Use Optiq's FieldTrimmer for ColumnPrunerTo begin with the rules are copies of Optiq ba...
http://issues.apache.org/jira/browse/HIVE-7283    Author: Harish Butani, 2014-06-28, 08:39
[HIVE-7159] For inner joins push a 'is not null predicate' to the join sources for every non nullSafe join condition - Hive - [issue]
...A join B on A.x = B.ycan be transformed to(A where x is not null) join (B where y is not null) on A.x = B.yApart from avoiding shuffling null keyed rows it also avoids issues with reduce-sid...
http://issues.apache.org/jira/browse/HIVE-7159    Author: Harish Butani, 2014-06-27, 02:19
[HIVE-6439] Introduce CBO step in Semantic Analyzer - Hive - [issue]
...This patch introduces CBO step in SemanticAnalyzer. For now the CostBasedOptimizer is an empty shell. The contract between SemAly and CBO is: CBO step  is controlled by the 'hive.enable...
http://issues.apache.org/jira/browse/HIVE-6439    Author: Harish Butani, 2014-06-24, 22:41
[HIVE-7226] Windowing Streaming mode causes NPE for empty partitions - Hive - [issue]
...Change in HIVE-7062 doesn't handle empty partitions properly. StreamingState is not correctly initialized for empty partition...
http://issues.apache.org/jira/browse/HIVE-7226    Author: Harish Butani, 2014-06-13, 20:09
[HIVE-7099] Add Decimal datatype support for Windowing - Hive - [issue]
...Decimal datatype is not handled by Windowing...
http://issues.apache.org/jira/browse/HIVE-7099    Author: Harish Butani, 2014-06-13, 12:32
[HIVE-6999] Add streaming mode to PTFs - Hive - [issue]
...There are a set of use cases where the Table Function can operate on a Partition row by row or on a subset(window) of rows as it is being streamed to it. Windowing has couple of use cases of...
http://issues.apache.org/jira/browse/HIVE-6999    Author: Harish Butani, 2014-06-12, 02:06
[HIVE-5556] Pushdown join conditions - Hive - [issue]
...See details in HIVE-5555...
http://issues.apache.org/jira/browse/HIVE-5556    Author: Harish Butani, 2014-06-11, 22:48
[HIVE-6955] ExprNodeColDesc isSame doesn't account for tabAlias: this affects trait Propagation in Joins - Hive - [issue]
...For tpcds Q15:explainselect ca_zip, sum(cs_sales_price)from catalog_sales, customer, customer_address, date_dimwhere catalog_sales.cs_bill_customer_sk = customer.c_customer_sk  and...
http://issues.apache.org/jira/browse/HIVE-6955    Author: Harish Butani, 2014-06-09, 07:39
Re: [VOTE] Apache Hive 0.13.1 Release Candidate 3 - Hive - [mail # dev]
...+1- Verified signature and checksum- Checked release notes- built source- ran a few unit tests- ran a few queries in local modeOn Jun 2, 2014, at 7:20 PM, Thejas Nair  wrote:CONFIDENTIA...
   Author: Harish Butani, 2014-06-05, 05:43
Review Request 22152: HIVE-7143: Add Streaming support in Windowing mode for more UDAFs (min/max, lead/lag, fval/lval) - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/22152/Review request for hive and Ashutosh Chauhan.Bugs: HIVE-7143    https://issues.ap...
   Author: Harish Butani, 2014-06-02, 18:35
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