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https://issues.apache.org/jira/browse/PARQUET-2340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17757368#comment-17757368
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GANHONGNAN commented on PARQUET-2340:
-------------------------------------

[~gszadovszky]  Sorry to disturb. Do you have any plan to support it? Or any 
suggestion?

> appendRowGroup does not support append pageIndex
> ------------------------------------------------
>
>                 Key: PARQUET-2340
>                 URL: https://issues.apache.org/jira/browse/PARQUET-2340
>             Project: Parquet
>          Issue Type: Improvement
>          Components: parquet-mr
>            Reporter: GANHONGNAN
>            Priority: Major
>
> Currently, 
> org.apache.parquet.hadoop.ParquetFileWriter#appendFile(org.apache.parquet.io.InputFile)
>  uses appendRowGroup method to concate parquet row group. However, 
> appendRowGroup method *looses* column index.
> {code:java}
> // code placeholder
>   public void appendRowGroup(SeekableInputStream from, BlockMetaData rowGroup,
>                              boolean dropColumns) throws IOException {
>       // TODO: column/offset indexes are not copied
>       // (it would require seeking to the end of the file for each row groups)
>       currentColumnIndexes.add(null);
>       currentOffsetIndexes.add(null);
>   } {code}
>  
> [https://github.com/apache/parquet-mr/blob/f8465a274b42e0a96996c76f3be0b50cf85ecf15/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetFileWriter.java#L1033C19-L1033C19]
>  
> Look forward to functionality that support append with page index.
>  



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