Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 11 to 20 from 255 (2.879s).
Loading phrases to help you
refine your search...
[HIVE-2048] Expedite Partition Pruning - Hive - [issue]
...Partition pruning is a large part of Hive client side overhead. Partition filter has been introduced by HIVE-1609, but it is enabled due to JDO issues (HIVE-1853, HIVE-1862). This JIRA is cr...
http://issues.apache.org/jira/browse/HIVE-2048    Author: Ning Zhang, 2012-08-21, 09:59
[HIVE-2050] batch processing partition pruning process - Hive - [issue]
...For partition predicates that cannot be pushed down to JDO filtering (HIVE-2049), we should fall back to the old approach of listing all partition names first and use Hive's expression evalu...
http://issues.apache.org/jira/browse/HIVE-2050    Author: Ning Zhang, 2012-08-21, 08:48
[HIVE-2049] Push down partition pruning to JDO filtering for a subset of partition predicates - Hive - [issue]
...Several tasks: expose HiveMetaStoreClient.listPartitionsByFilter() to Hive.java so that PartitionPruner can use that for certain partition predicates. figure out a safe subset of partition p...
http://issues.apache.org/jira/browse/HIVE-2049    Author: Ning Zhang, 2012-08-21, 08:48
[HIVE-2187] Mappers across multiple partitions with different SerDe failed - Hive - [issue]
...If 2 partitions have the same input file format, but different serde, we should not combine them into the same mapper. Otherwise the mapper will fail....
http://issues.apache.org/jira/browse/HIVE-2187    Author: Ning Zhang, 2012-08-03, 06:39
[HIVE-1901] ColumnPruner bug in case of LATERAL VIEW and UDTF - Hive - [issue]
...The following query EXPLAIN SELECT stat FROM (SELECT nt.value AS n, dt.value AS d_evt, nt.hr as hrFROM srcpart ntJOIN srcpart dtON (nt.ds='2008-04-08' AND dt.ds='2008-04-08' AND nt.key=dt.ke...
http://issues.apache.org/jira/browse/HIVE-1901    Author: Ning Zhang, 2012-07-25, 04:17
[HIVE-2035] Use block-level merge for RCFile if merging intermediate results are needed - Hive - [issue]
...Currently if hive.merge.mapredfiles and/or hive.merge.mapfile is set to true the intermediate data could be merged using an additional MapReduce job. This could be quite expensive if the dat...
http://issues.apache.org/jira/browse/HIVE-2035    Author: Ning Zhang, 2012-07-17, 01:16
[HIVE-1101] Extend Hive ODBC to support more functions - Hive - [issue]
...Currently Hive ODBC driver only support a a minimum list of functions to ensure some application work. Some other applications require more function support. These functions include:*SQLCanc...
http://issues.apache.org/jira/browse/HIVE-1101    Author: Ning Zhang, 2012-06-29, 21:41
[HIVE-1603] support CSV text file format - Hive - [issue]
...Comma Separated Values (CSV) text format are commonly used in exchanging relational data between heterogeneous systems. Currently Hive uses TextFile format when displaying query results. Thi...
http://issues.apache.org/jira/browse/HIVE-1603    Author: Ning Zhang, 2012-04-24, 13:32
[HIVE-1885] Extended Read/WriteEntity to include Database and Index - Hive - [issue]
...Currently all DDLs on indexes and databases do not have Read/WriteEntities registered. This prevents pre/post execution hooks on databases and indexes. We should extende Read/WriteEntity for...
http://issues.apache.org/jira/browse/HIVE-1885    Author: Ning Zhang, 2012-02-24, 23:03
[HIVE-741] NULL is not handled correctly in join - Hive - [issue]
...With the following data in table input4_cb:Key        Value------       --------NULL     32518          NULLThe followin...
http://issues.apache.org/jira/browse/HIVE-741    Author: Ning Zhang, 2012-02-16, 23:42
Sort:
project
Hive (255)
HDFS (1)
type
issue (152)
mail # user (103)
date
last 7 days (0)
last 30 days (2)
last 90 days (8)
last 6 months (9)
last 9 months (255)
author
Namit Jain (802)
Edward Capriolo (633)
Zheng Shao (613)
Carl Steinbach (604)
John Sichi (297)
Mark Grover (269)
Ning Zhang (255)
Ashutosh Chauhan (250)
Nitin Pawar (220)
Ashish Thusoo (169)
Kevin Wilfong (161)
He Yongqiang (156)
Prasad Chakka (152)
Bejoy Ks (132)
Navis (128)