Thank you.
That was it.

Regards,
Maciek

2016-08-05 10:06 GMT+02:00 Herman van Hövell tot Westerflier <
hvanhov...@databricks.com>:

> Do you want to see the code that whole stage codegen produces?
>
> You can prepend a SQL statement with EXPLAIN CODEGEN ...
>
> Or you can add the following code to a DataFrame/Dataset command:
>
> import org.apache.spark.sql.execution.debug._
>
> and call the the debugCodegen() command on a Dataframe/Dataset, for
> example:
>
> range(0, 100).debugCodegen
>
> ...
>
> Found 1 WholeStageCodegen subtrees.
>
> == Subtree 1 / 1 ==
>
> *Range (0, 100, splits=8)
>
>
> Generated code:
>
> /* 001 */ public Object generate(Object[] references) {
>
> /* 002 */   return new GeneratedIterator(references);
>
> /* 003 */ }
>
> /* 004 */
>
> /* 005 */ final class GeneratedIterator extends 
> org.apache.spark.sql.execution.BufferedRowIterator
> {
>
> /* 006 */   private Object[] references;
>
> /* 007 */   private org.apache.spark.sql.execution.metric.SQLMetric
> range_numOutputRows;
>
> /* 008 */   private boolean range_initRange;
>
> /* 009 */   private long range_partitionEnd;
>
> ...
>
> On Fri, Aug 5, 2016 at 9:55 AM, Maciej Bryński <mac...@brynski.pl> wrote:
>
>> Hi,
>> I have some operation on DataFrame / Dataset.
>> How can I see source code for whole stage codegen ?
>> Is there any API for this ? Or maybe I should configure log4j in specific
>> way ?
>>
>> Regards,
>> --
>> Maciek Bryński
>>
>
>


-- 
Maciek Bryński

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