BinarySortableSerde not working with TextInputFormat

2014-03-11 Thread Vaibhav Jain
able* * at org.apache.hadoop.hive.serde2.binarysortable.BinarySortableSerDe.deserialize(BinarySortableSerDe.java:172)* at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:523) Please advise on what I should do. I am not sure why this query is failing. Thanks -- Thanks Vaibhav Jain

select count * throwing exception

2014-03-10 Thread Vaibhav Jain
able* * at org.apache.hadoop.hive.serde2.binarysortable.BinarySortableSerDe.deserialize(BinarySortableSerDe.java:172)* at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:523) Please advise on what I should do. I am not sure why this simple query is failing. Thanks Vaibhav Jain

Calling forward from close method in a custom UDTF

2014-03-02 Thread Vaibhav Jain
() method and outputs a few rows. Can it cause problems in the later versions of Hive? -- Thanks Vaibhav Jain

Will this UDF always execute on a single reducer ?

2014-02-28 Thread Vaibhav Jain
): *SELECT UDF() AS alias from * *( SELECT * * FROM TABLESAMPLE (x PERCENT) * * ORDER BY )* *ORDER BY alias;* Is it a possibility that the UDF is executed on a mapper? -- Thanks Vaibhav Jain

Query regarding Hive Parallel Orderby

2014-02-20 Thread Vaibhav Jain
Thanks Vaibhav Jain

Which side (map/reduce) does a UDF/UDTF/UDAF execute

2014-02-10 Thread Vaibhav Jain
and UDAF on map side. I haven't found any info for UDTFs. It would be great if you could provide an explanation for each of theses or point me to the hive source code files where I should look for the answers. -- Thanks Vaibhav Jain