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https://issues.apache.org/jira/browse/PARQUET-324?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ryan Blue resolved PARQUET-324.
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Resolution: Fixed
Fix Version/s: 1.8.0
Thanks for contributing the fix, [~tfriedr]!
> 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
> Assignee: Thomas Friedrich
> Priority: Minor
> Fix For: 1.8.0
>
>
> 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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