[jira] [Created] (SPARK-27193) CodeFormatter should format multi comment lines correctly

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

wuyi created SPARK-27193:
----------------------------

             Summary: CodeFormatter should format multi comment lines correctly
                 Key: SPARK-27193
                 URL: https://issues.apache.org/jira/browse/SPARK-27193
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.4.0
            Reporter: wuyi


when enable `spark.sql.codegen.comments`,  there will be multiple comment lines. However, CodeFormatter can not handle multi comment lines currently:

 
Generated code:
/* 001 */ public Object generate(Object[] references) {
/* 002 */   return new GeneratedIteratorForCodegenStage1(references);
/* 003 */ }
/* 004 */
/* 005 */ /**
* Codegend pipeline for stage (id=1)
* *(1) Project [(id#0L + 1) AS (id + 1)#3L]
* +- *(1) Filter (id#0L = 1)
*    +- *(1) Range (0, 10, step=1, splits=4)
*/
/* 006 */ // codegenStageId=1
/* 007 */ final class GeneratedIteratorForCodegenStage1 extends org.apache.spark.sql.execution.BufferedRowIterator {



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