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https://issues.apache.org/jira/browse/PARQUET-324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14611040#comment-14611040
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Thomas Friedrich commented on PARQUET-324:
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Submitted pull request with fix: https://github.com/apache/parquet-mr/pull/233
> row count incorrect if data file has more than 2^31 rows
> --------------------------------------------------------
>
> Key: PARQUET-324
> URL: https://issues.apache.org/jira/browse/PARQUET-324
> Project: Parquet
> Issue Type: Bug
> Components: parquet-mr
> Affects Versions: 1.7.0, 1.8.0
> Reporter: Thomas Friedrich
> Priority: Minor
>
> If a parquet file has more than 2^31 rows, the row count written into the
> file metadata is incorrect.
> The cause of the problem is the use of an int instead of long data type for
> numRows in ParquetMetadataConverter, toParquetMetadata:
> int numRows = 0;
> for (BlockMetaData block : blocks) {
> numRows += block.getRowCount();
> addRowGroup(parquetMetadata, rowGroups, block);
> }
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