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[HIVE-6393] Support unqualified column references in Joining conditions - Hive - [issue]
...Support queries of the form:create table r1(a int);create table r2(b);select a, bfrom r1 join r2 on a = bThis becomes more useful in old style syntax:select a, bfrom r1, r2where a = b...
http://issues.apache.org/jira/browse/HIVE-6393    Author: Harish Butani, 2014-10-20, 08:21
[HIVE-6934] PartitionPruner doesn't handle top level constant expression correctly - Hive - [issue]
...You hit this error indirectly, because how we handle invalid constant comparisons. Consider:create table x(key int, value string) partitioned by (dt int, ts string);-- both these queries hit...
http://issues.apache.org/jira/browse/HIVE-6934    Author: Harish Butani, 2014-10-18, 06:24
Re: Review Request 26454: Column Pruner dont prune columns from limit operator. - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/26454/#review55957Ship it!Ship It!- Harish ButaniOn Oct. 8, 2014, 8:34 p.m., Ashutosh Chauhan wrote:&n...
   Author: Harish Butani, 2014-10-09, 07:09
Re: Review Request 26162: Incorrect results for n-way join when join expressions are not in same order across joins - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/26162/#review54942Ship it!Ship It!- Harish ButaniOn Sept. 30, 2014, 1:38 a.m., Ashutosh Chauhan wrote:...
   Author: Harish Butani, 2014-09-30, 02:39
Re: Review Request 25739: CBO: bail from Optiq planning if a Select list contains multiple references to the same name - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/25739/#review53683Ship it!Ship It!- Harish ButaniOn Sept. 17, 2014, 3:47 p.m., Ashutosh Chauhan wrote:...
   Author: Harish Butani, 2014-09-17, 15:51
Re: Review Request 25463: Handle NS joins - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/25463/#review52658Ship it!Ship It!- Harish ButaniOn Sept. 9, 2014, 12:17 a.m., Ashutosh Chauhan wrote:...
   Author: Harish Butani, 2014-09-09, 00:45
[HIVE-7905] CBO: more cost model changes - Hive - [issue]
...1. For composite predicates smoothen the Selectivity calculation using exponential backoff. Thanks to [~ mmokhtar] for this formula.Can you change the algorithm to use exponential ba...
http://issues.apache.org/jira/browse/HIVE-7905    Author: Harish Butani, 2014-09-06, 00:46
[expand - 4 more] - Re: Review Request 25179: HIVE-7905: CBO: more cost model changes - Hive - [mail # dev]
...The reason for this is because RelMdRowCount has a getRowCount method on SemiJoinRel- HarishThis is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/25179/#rev...
   Author: Harish Butani, 2014-09-05, 18:13
[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, 2014-09-03, 09:00
[HIVE-7915] Expose High and Low value in plan.ColStatistics - Hive - [issue]
...These are being read from the Metastore but not populated in ColumnStatistics. One of the uses of this is HIVE-7905...
http://issues.apache.org/jira/browse/HIVE-7915    Author: Harish Butani, 2014-09-03, 00:24
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