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