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[HIVE-6400] Add Apache Rat plugin to pom.xml
...So we can generate the Release Audit report....
, 2014-02-14, 22:04
[HIVE-5555] Support alternate join syntax: joining conditions in where clause; also pushdown qualifying join conditions
...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...
, 2014-02-07, 10:41
[HIVE-6388] For Views and CTEs referenced multiple times in a Query, we should evaluate them only once
, 2014-02-06, 23:38
[HIVE-4966] Introduce Collect_Map UDAF
...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....
, 2013-12-23, 22:42
[HIVE-5615] Subquery support: more tests
...add unit tests for code in SubQueryUtils tests with views...
, 2013-12-21, 01:15
[HIVE-6092] Remove predicates that are pushed forward as join conditions from where clause
...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....
, 2013-12-20, 22:13
[HIVE-6033] explain subquery rewrite for having clause predicate
, 2013-12-13, 22:26
[HIVE-6032] explain subquery rewrite for 'not in' operator
, 2013-12-13, 22:26
[HIVE-6030] Introduce Explain SubQuery Rewrite command
...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...
, 2013-12-13, 22:25
[HIVE-5830] SubQuery: Not In subqueries should check if subquery contains nulls in matching column
...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....
, 2013-12-09, 18:50
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