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[HIVE-7405] Vectorize GROUP BY on the Reduce-Side (Part 1 – Basic) - Hive - [issue]
...Vectorize the basic case that does not have any count distinct aggregation.Add a 4th processing mode in VectorGroupByOperator for reduce where each input VectorizedRowBatch has only values f...
http://issues.apache.org/jira/browse/HIVE-7405    Author: Matt McCline, 2014-09-06, 09:14
[HIVE-7557] When reduce is vectorized, dynpart_sort_opt_vectorization.q under Tez fails - Hive - [issue]
...Turned off dynpart_sort_opt_vectorization.q (Tez) since it fails when reduce is vectorized to get HIVE-7029 checked in.Stack trace:Container released by application, AttemptID:attempt_140674...
http://issues.apache.org/jira/browse/HIVE-7557    Author: Matt McCline, 2014-08-29, 09:54
[HIVE-7426] ClassCastException: ...IntWritable cannot be cast to ...Text involving ql.udf.generic.GenericUDFBasePad.evaluate - Hive - [issue]
...One of several found by Raj Bains.M/R or Tez.Query does not vectorize, so this is not vector related.Stack Trace:Caused by: java.lang.ClassCastException: org.apache.hadoop.io.IntWritable can...
http://issues.apache.org/jira/browse/HIVE-7426    Author: Matt McCline, 2014-08-07, 23:27
[HIVE-7424] HiveException: Error evaluating concat(concat('      ', str2), '      ') in ql.exec.vector.VectorSelectOperator.processOp - Hive - [issue]
...One of several found by Raj Bains.M/R or Tez.set hive.vectorized.execution.enabled=true;Stack trace:Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Error evaluating concat(conca...
http://issues.apache.org/jira/browse/HIVE-7424    Author: Matt McCline, 2014-08-07, 23:27
[HIVE-7422] Array out of bounds exception involving ql.exec.vector.expressions.aggregates.gen.VectorUDAFAvgDouble - Hive - [issue]
...One of several found by Raj Bains.M/R or Tez.set hive.vectorized.execution.enabled=true;Stack trace:Caused by: java.lang.ArrayIndexOutOfBoundsException: 50 at org.apache.hadoop.hive.ql.exec....
http://issues.apache.org/jira/browse/HIVE-7422    Author: Matt McCline, 2014-08-07, 23:26
[HIVE-7421] Make VectorUDFDateString use the same date parsing and formatting as GenericUDFDate - Hive - [issue]
...One of several found by Raj Bains.M/R or Tez.set hive.vectorized.execution.enabled=true;Stack trace:Caused by: java.lang.NullPointerException at java.lang.System.arraycopy(Native Method) at ...
http://issues.apache.org/jira/browse/HIVE-7421    Author: Matt McCline, 2014-08-07, 23:25
[HIVE-7357] Add vectorized support for BINARY data type - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-7357    Author: Matt McCline, 2014-08-07, 19:43
[HIVE-7029] Vectorize ReduceWork - Hive - [issue]
...This will enable vectorization team to independently work on vectorization on reduce side even before vectorized shuffle is ready.NOTE: Tez only (i.e. TezTask only)...
http://issues.apache.org/jira/browse/HIVE-7029    Author: Matt McCline, 2014-08-06, 00:06
[HIVE-7581] (Native) Vectorize LEFT JOIN - Hive - [issue]
...Currently, VectorMapJoinOperator takes in vectorized row batches and delegates rows to (regular) MapJoinOperator.Try addin one case, LEFT JOIN, as a native or real vectorized join....
http://issues.apache.org/jira/browse/HIVE-7581    Author: Matt McCline, 2014-08-01, 00:09
[HIVE-7537] Output vectorized GROUP BY with only primitive aggregate fields as columns so downstream operators will be vectorized - Hive - [issue]
...When under Tez engine, see if the VectorGroupByOperator aggregrates are all primitive (e.g. sum) and batch the output rows into a VectorizedRowBatch.  And, vectorize downstream operator...
http://issues.apache.org/jira/browse/HIVE-7537    Author: Matt McCline, 2014-08-01, 00:03
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