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[HIVE-5555] Support alternate join syntax: joining conditions in where clause; also pushdown qualifying join conditions - Hive - [issue]
...Certain tools still generate `old style' Join queries where the joincondition is in the Where clause. A related set of issues that canbe addressed is that of pushing forward joining conditio...
http://issues.apache.org/jira/browse/HIVE-5555    Author: Harish Butani, 2014-02-07, 10:41
[HIVE-6388] For Views and CTEs referenced multiple times in a Query, we should evaluate them only once - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-6388    Author: Harish Butani, 2014-02-06, 23:38
[HIVE-4966] Introduce Collect_Map UDAF - Hive - [issue]
...Similar to Collect_Set. For e.g. on a Txn tableTxn(customer, product, amt)select customer, collect_map(product, amt)from txngroup by customerWould give you an activity map for each customer....
http://issues.apache.org/jira/browse/HIVE-4966    Author: Harish Butani, 2013-12-23, 22:42
[HIVE-5615] Subquery support: more tests - Hive - [issue]
...add unit tests for code in SubQueryUtils tests with views...
http://issues.apache.org/jira/browse/HIVE-5615    Author: Harish Butani, 2013-12-21, 01:15
[HIVE-6092] Remove predicates that are pushed forward as join conditions from where clause - Hive - [issue]
...HIVE-5557 pushes qualifying conditions forward but doesn't remove them from the Where Clause AST. Today the plan generated does an unnecessary filter on these conditions....
http://issues.apache.org/jira/browse/HIVE-6092    Author: Harish Butani, 2013-12-20, 22:13
[HIVE-6033] explain subquery rewrite for having clause predicate - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-6033    Author: Harish Butani, 2013-12-13, 22:26
[HIVE-6032] explain subquery rewrite for 'not in' operator - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-6032    Author: Harish Butani, 2013-12-13, 22:26
[HIVE-6030] Introduce Explain SubQuery Rewrite command - Hive - [issue]
...There are several transformations happening for SubQuery predicates(HIVE-784). It is hard to tell from the explain plan how the Query is executed. So the goal is to introduce an explain subq...
http://issues.apache.org/jira/browse/HIVE-6030    Author: Harish Butani, 2013-12-13, 22:25
[expand - 4 more] - Re: doc on predicate pushdown in joins - Hive - [mail # dev]
...I see.  Let's leave it in.  This is old code, hard to attribute to  jiras: - The PPD code comes from: HIVE-279, HIVE-2337 - I cannot tell when the join condition parsing code ...
   Author: Harish Butani, 2013-12-12, 03:03
[HIVE-5830] SubQuery: Not In subqueries should check if subquery contains nulls in matching column - Hive - [issue]
...As pointed out by Sivaramakrishnan Narayanan  in HIVE-784 for not in when there are nulls in the SubQuery's matching column the Outer Query should return no rows....
http://issues.apache.org/jira/browse/HIVE-5830    Author: Harish Butani, 2013-12-09, 18:50
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB