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[HIVE-4758] NULLs and record separators broken with vectorization branch intermediate outputs - Hive - [issue]
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...Queries of type timestamp on partitioned tables return NULL for all rows of timestamp columns, if the first row in the column is NULL.This was tracked down to the failure of timestamp column...
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http://issues.apache.org/jira/browse/HIVE-4758
Author: Gopal V,
2013-06-19, 23:06
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[HIVE-4757] LazyTimestamp goes into irretrievable NULL mode once inited with NULL once - Hive - [issue]
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...The LazyTimestamp.init() code turns into a NULL generator after parsing the very first NULL value (or format error). The code is as follows Timestamp t = null; ...
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http://issues.apache.org/jira/browse/HIVE-4757
Author: Gopal V,
2013-06-19, 19:14
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[HIVE-4113] Optimize select count(1) with RCFile and Orc - Hive - [issue]
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...select count(1) loads up every column & every row when used with RCFile."select count(1) from store_sales_10_rc" givesJob 0: Map: 5 Reduce: 1 Cumulative CPU: 31.73 sec ...
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http://issues.apache.org/jira/browse/HIVE-4113
Author: Gopal V,
2013-06-16, 01:45
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[HIVE-4699] Integrate basic UDFs for Timesamp - Hive - [issue]
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...Integrated the timestamp UDFs from HIVE-4608, to be able to use the following TO_UNIX_TIMESTAMP(ts), year(ts),month(ts),weekofyear(ts),dayofmonth(ts),hour(ts),minute(ts),second(ts)in queries...
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http://issues.apache.org/jira/browse/HIVE-4699
Author: Gopal V,
2013-06-14, 22:58
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[HIVE-4694] Fix ORC TestVectorizedORCReader testcase for Timestamps - Hive - [issue]
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...ORC vectorized tests were not testing for timestamps correctly.java.sql.Timestamp is a confusing API, because of the mix of getTime() & getNanos() usage. Though it might look like they r...
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http://issues.apache.org/jira/browse/HIVE-4694
Author: Gopal V,
2013-06-10, 21:07
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[HIVE-4681] Fix ORC TimestampTreeReader.nextVector() to handle milli-nano math corectly - Hive - [issue]
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...The current TimestampTreeReader implementation is broken when fed only milliseconds.If TS = 222ms. result.vector[i] = ... // == 0; nanoVector.vector[i] = ... // == 22...
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http://issues.apache.org/jira/browse/HIVE-4681
Author: Gopal V,
2013-06-07, 22:33
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[HIVE-4608] Vectorized UDFs for Timestamp in nanoseconds - Hive - [issue]
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...Vectorized UDFs for timestamp functions which accept long vectorsVectorUDFYearLong VectorUDFMonthLongVectorUDFWeekOfYearLong VectorUDFDayOfMonthLongVectorUDFHourLong Vec...
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http://issues.apache.org/jira/browse/HIVE-4608
Author: Gopal V,
2013-06-04, 14:41
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[HIVE-4436] hive.exec.parallel=true doesn't work on hadoop-2 - Hive - [issue]
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...While running a hive query with multiple independent stages, hive.exec.parallel is a valid optimization to use.The query tested has 3 MR jobs - the first job is the root dependency and the 2...
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http://issues.apache.org/jira/browse/HIVE-4436
Author: Gopal V,
2013-06-03, 02:47
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Re: Review Request: Vectorized Timestamp functions for long nanosecond based timestamps - Hive - [mail # dev]
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...This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/11530/ (Updated May 31, 2013, 1:59 p.m.) Review request for hive, Jitendra Pandey and Er...
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Author: Gopal V,
2013-05-31, 13:59
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Re: Review Request: Vectorized Timestamp functions for long nanosecond based timestamps - Hive - [mail # dev]
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... The issue has to do with the way sql.Timestamp stores values. http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/java/sql/Timestamp.java#126 &nb...
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Author: Gopal V,
2013-05-31, 13:58
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