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[HIVE-7478] CBO: PPD push conditions to Join Operators - Hive - [issue]
...This was turned off in HivePushFilterPastJoin because non equality conditions were being pushed. Fix this so that equality predicates are pushed as join conditions....
http://issues.apache.org/jira/browse/HIVE-7478    Author: Harish Butani, 2014-07-23, 03:08
[HIVE-7324] CBO: provide a mechanism to test CBO features based on table stats only (w/o table data) - Hive - [issue]
...Since lot of the CBO work is focused on planning, it will be nice to be able to run explain query to test CBO features. TPCDS has a rich enough schema and query set. So the patch loads a dum...
http://issues.apache.org/jira/browse/HIVE-7324    Author: Harish Butani, 2014-07-22, 04:17
[HIVE-7284] CBO: create Partition Pruning rules in Optiq - Hive - [issue]
...NO PRECOMMIT TESTSCreate rules in Optiq that do the job of the PartitionPruner.For now we will reuse the logic that evaluates the Partition list from prunedExpr....
http://issues.apache.org/jira/browse/HIVE-7284    Author: Harish Butani, 2014-07-18, 03:08
[HIVE-6013] Supporting Quoted Identifiers in Column Names - Hive - [issue]
...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 ...
http://issues.apache.org/jira/browse/HIVE-6013    Author: Harish Butani, 2014-07-17, 23:09
[HIVE-7344] Add streaming support in Windowing mode for FirstVal, LastVal - Hive - [issue]
...Continuation of HIVE-7062, HIVE-7143...
http://issues.apache.org/jira/browse/HIVE-7344    Author: Harish Butani, 2014-07-07, 23:25
[HIVE-7143] Add Streaming support in Windowing mode for more UDAFs (min/max, lead/lag, fval/lval) - Hive - [issue]
...Provided implementations for Streaming for the above fns.Min/Max based on Alg by Daniel Lemire: http://www.archipel.uqam.ca/309/1/webmaximinalgo.pdf...
http://issues.apache.org/jira/browse/HIVE-7143    Author: Harish Butani, 2014-07-07, 23:23
[HIVE-6643] Add a check for cross products in plans and output a warning - Hive - [issue]
...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...
http://issues.apache.org/jira/browse/HIVE-6643    Author: Harish Butani, 2014-07-03, 10:04
[HIVE-7062] Support Streaming mode in Windowing - Hive - [issue]
...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....
http://issues.apache.org/jira/browse/HIVE-7062    Author: Harish Butani, 2014-07-03, 02:55
[HIVE-7304] Transitive Predicate Propagation doesn't happen properly after HIVE-7159 - Hive - [issue]
...The reason for the regression is that PredicateTransitivePropagate looks at the FilterOperator below the ReduceSink. SemanticAnalyzer::genNotNullFilterForJoinSourcePlan was stacking another ...
http://issues.apache.org/jira/browse/HIVE-7304    Author: Harish Butani, 2014-07-01, 05:30
[HIVE-7063] Optimize for the Top N within a Group use case - Hive - [issue]
...It is common to rank within a Group/Partition and then only return the Top N entries within each Group.With Streaming mode for Windowing, we should push the post filter on the rank into the ...
http://issues.apache.org/jira/browse/HIVE-7063    Author: Harish Butani, 2014-07-01, 03:53
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