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[HIVE-3971] testNegativeCliDriver_stats_aggregator_error_1 fails transiently - Hive - [issue]
...testNegativeCliDriver_stats_aggregator_error_1 fails transiently.In one case (not reproducible), it fails consistently. The root-cause is ClassNotFoundException for DummyStatsPublisher. plea...
http://issues.apache.org/jira/browse/HIVE-3971    Author: Gang Tim Liu, 2013-04-02, 00:19
[HIVE-4235] CREATE TABLE IF NOT EXISTS uses inefficient way to check if table exists - Hive - [issue]
...CREATE TABLE IF NOT EXISTS uses inefficient way to check if table exists.It uses Hive.java's getTablesByPattern(...) to check if table exists. It involves regular expression and eventually d...
http://issues.apache.org/jira/browse/HIVE-4235    Author: Gang Tim Liu, 2013-03-29, 19:46
[HIVE-3958] support partial scan for analyze command - RCFile - Hive - [issue]
...analyze commands allows us to collect statistics on existing tables/partitions. It works great but might be slow since it scans all files.There are 2 ways to speed it up:1. collect stats wit...
http://issues.apache.org/jira/browse/HIVE-3958    Author: Gang Tim Liu, 2013-03-27, 14:43
[HIVE-3954] flag indecating statistics is stale - Hive - [issue]
...We will introduce a flag to indicate whether statistics is stale....
http://issues.apache.org/jira/browse/HIVE-3954    Author: Gang Tim Liu, 2013-03-01, 00:37
[HIVE-4056] Extend rcfilecat to support (un)compressed size and no. of row - Hive - [issue]
...rcfilecat supports data and metadata:https://cwiki.apache.org/Hive/rcfilecat.htmlIn metadata, it supports column statistics.It will be natural to extend metadata support to 1. no. of rows 2....
http://issues.apache.org/jira/browse/HIVE-4056    Author: Gang Tim Liu, 2013-02-28, 17:12
Re: [ANNOUNCE] New Hive Committer - Gang Tim Liu - Hive - [mail # dev]
...Dear all,  Thank Hive PMC for passing the vote. Truly thank and appreciate it!  Thank all for warm notes: Namit, Navis, Kevin, Alexander, Brock, Jarek, Mark and Zhenxiao etc  ...
   Author: Gang Tim Liu, 2013-02-25, 20:05
[HIVE-4027] Thrift alter_table api doesnt validate column type - Hive - [issue]
...Thrift alter_table api doesnt validate column type so that invalid column type can sneak it....
http://issues.apache.org/jira/browse/HIVE-4027    Author: Gang Tim Liu, 2013-02-20, 23:45
[HIVE-3917] Support noscan operation for analyze command - Hive - [issue]
...hive supports analyze command to gather statistics from existing tables/partition https://cwiki.apache.org/confluence/display/Hive/StatsDev#StatsDev-ExistingTablesIt collects:1. Number of Ro...
http://issues.apache.org/jira/browse/HIVE-3917    Author: Gang Tim Liu, 2013-02-04, 07:20
[HIVE-3965] Reduce output of explain plan by printing boolean value only if it is true - Hive - [issue]
...Leverage the design in HIVE-3778 to reduce output of explain plan by printing boolean value only if it is true.That probably will update lot more .q.out files so probably should be done in a...
http://issues.apache.org/jira/browse/HIVE-3965    Author: Gang Tim Liu, 2013-01-31, 04:00
[HIVE-3943] Skewed query fails if hdfs path has special characters - Hive - [issue]
...If partition name has special character like :, query will fail like:FAILED: IllegalArgumentException Pathname /... from ... is not a valid DFS filename.rootcause is skewed map in partition ...
http://issues.apache.org/jira/browse/HIVE-3943    Author: Gang Tim Liu, 2013-01-26, 15:36
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