[jira] [Commented] (SPARK-13255) Integrate vectorized parquet scan with whole stage codegen.

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-13255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15140029#comment-15140029 ] 

Apache Spark commented on SPARK-13255:
--------------------------------------

User 'nongli' has created a pull request for this issue:
https://github.com/apache/spark/pull/11146

> Integrate vectorized parquet scan with whole stage codegen.
> -----------------------------------------------------------
>
>                 Key: SPARK-13255
>                 URL: https://issues.apache.org/jira/browse/SPARK-13255
>             Project: Spark
>          Issue Type: Task
>          Components: SQL
>            Reporter: Nong Li
>
> The generated whole stage codegen is intended to be run over batches of rows. This task is to integrate ColumnarBatches with whole stage codegen.
> The resulting generated code should look something like:
> {code}
> Iterator<ColumnarBatch> input;
> void process() {
>   while (input.hasNext()) {
>     ColumnarBatch batch = input.next();
>     for (Row: batch) {
>       // Current function
>     }
>   }
> }
> {code}



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