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[HIVE-6604] Fix vectorized input to work with ACID
...Fix the VectorizedOrcInputFormat to work with the ACID directories....
, 2014-04-09, 21:01
[HIVE-5067] Add bzip compressor for ORC
...It would be good to add a bzip compressor for ORC. Bzip does very well for long term/cold storage....
, 2014-04-05, 12:50
[HIVE-6675] Disable CombineInputFormat for InputFormats that don't use FileSplit
...With the addition of ACID support to the OrcInputFormat, it is important that OrcInputFormat.getSplits is called. CombineHiveInputFormat doesn't do that. I've filed a jira to reimplement Com...
, 2014-03-26, 18:25
[HIVE-6699] Fix OrcRecordUpdater to use sync instead of flush
...OrcRecordUpdater needs to use sync so that changes are visible before the client closes the file....
, 2014-03-26, 18:22
[HIVE-6060] Define API for RecordUpdater and UpdateReader
...We need to define some new APIs for how Hive interacts with the file formats since it needs to be much richer than the current RecordReader and RecordWriter....
, 2014-03-26, 18:21
[HIVE-5567] Add better protection code for SARGs
...Currently, the SARG parser gets a NPE when the push down predicate uses a type like decimal that isn't supported....
, 2014-03-26, 17:12
[HIVE-5024] Ensure that the requested blocksize for ORC files is a multiple of 512 bytes.
...If the blocksize for ORC isn't a multiple of 512 (more generally io.bytes.per.checksum), HDFS complains about:io.bytes.per.checksum(512) and blockSize(2147483647) do not match. blockSize sho...
, 2014-03-24, 20:35
[HIVE-5563] Skip reading columns in ORC for count(*)
...With HIVE-4113, the semantics of ColumnProjectionUtils.getReadColumnIds was fixed so that an empty list means no columns instead of all columns. (Except the caveat of the override of ColumnP...
, 2014-03-23, 18:20
[HIVE-5616] fix saveVersion.sh to work on mac
...There is no reason to not support builds on macs....
, 2014-03-23, 18:16
[HIVE-5568] count(*) on ORC tables with predicate pushdown on partition columns fail
...If the query is:select count(*) from orc_table where x = 10;where x is a partition column and predicate pushdown is enabled, you'll get an array out of bounds exception....
, 2014-03-13, 22:04
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