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[HIVE-5874] SubQuery: better error handling when SQ and Outer Query has the same table alias - Hive - [issue]
...The following queryselect * from src where key in (select key from src where src.key > '1')Gives the following message:emanticException [Error 10249]: Line 1:58 Unsupported SubQuery Expre...
http://issues.apache.org/jira/browse/HIVE-5874    Author: Harish Butani, 2013-11-22, 22:06
[HIVE-5873] SubQuery: In subquery Count Bug - Hive - [issue]
...This is from the Optimization of Nested SQl Queries Revisited paper: http://dl.acm.org/citation.cfm?id=38723Consider Part table having:PNum OrderOnHand-------- ------------------3   &nb...
http://issues.apache.org/jira/browse/HIVE-5873    Author: Harish Butani, 2013-11-22, 20:54
[expand - 3 more] - Re: Review Request 15525: HIVE-3107: Improve semantic analyzer to better handle column name references in group by/sort by clauses - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/15525/  (Updated Nov. 18, 2013, 4:05 a.m.)   Review request for hive, Ashutosh Chauhan and ...
   Author: Harish Butani, 2013-11-18, 04:05
Review Request 15584: Subquery support: allow subquery expressions in having clause - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/15584/  Review request for hive and Ashutosh Chauhan.   Bugs: hive-5614     https...
   Author: Harish Butani, 2013-11-15, 19:33
[HIVE-5557] Push down qualifying Where clause predicates as join conditions - Hive - [issue]
...See details in HIVE-5555...
http://issues.apache.org/jira/browse/HIVE-5557    Author: Harish Butani, 2013-11-13, 17:15
Review Request 15361: HIVE-5784: Group By Operator doesn't carry forward table aliases in its RowResolver - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/15361/  Review request for hive and Ashutosh Chauhan.   Bugs: hive-5784     https...
   Author: Harish Butani, 2013-11-08, 19:43
[expand - 3 more] - Re: Review Request 15055: HIVE-5557: Push down qualifying Where clause predicates as join conditions - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/15055/  (Updated Nov. 7, 2013, 10:04 p.m.)   Review request for hive, Ashutosh Chauhan and ...
   Author: Harish Butani, 2013-11-07, 22:04
[HIVE-5710] Merging of Join Trees assumes all filters are on the merging table - Hive - [issue]
...The following query fails with a SemanticExceptionselect p1.name, p2.name, p3.namefrom part p1 join p2 on p1.name = p2.namejoin part p3 on p1.name = p3.name and p2.key > 10The Merge Join ...
http://issues.apache.org/jira/browse/HIVE-5710    Author: Harish Butani, 2013-10-31, 18:01
[HIVE-5709] Extend Join merging logic to merge 2 Joins when one Join expression list is a subset of the other. - Hive - [issue]
...As pointed out by Ashutosh Chauhan here: https://reviews.apache.org/r/14953/For the following queryselect p1.name, p2.name, p3.namefrom part p1 join p2 on p1.name = p2.name and p1.key = p2.k...
http://issues.apache.org/jira/browse/HIVE-5709    Author: Harish Butani, 2013-10-31, 17:59
[expand - 3 more] - Re: Review Request 14953: Pushdown join conditions - Hive - [mail # dev]
...  Yes I think this works. Nice! Will check with Vikram and John also. So we should add an Optimization that tries to convert 2 consecutive Join Operators into 1 JoinOp followed by a Fil...
   Author: Harish Butani, 2013-10-31, 01:15
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