[jira] [Assigned] (PARQUET-1787) Expected distinct numbers is not parsed correctly

["Gabor Szadovszky (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PARQUET-1787?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gabor Szadovszky reassigned PARQUET-1787:
-----------------------------------------

    Assignee: Walid Gara

> Expected distinct numbers is not parsed correctly
> -------------------------------------------------
>
>                 Key: PARQUET-1787
>                 URL: https://issues.apache.org/jira/browse/PARQUET-1787
>             Project: Parquet
>          Issue Type: Bug
>          Components: parquet-mr
>            Reporter: Walid Gara
>            Assignee: Walid Gara
>            Priority: Critical
>              Labels: pull-request-available
>
> In the bloom filter feature, when I pass the expected distinct numbers as below, I got null values instead of 1000 and 200.
> {code:java}
> import org.apache.hadoop.conf.Configuration;
> Configuration conf = new Configuration();
> conf.set("parquet.bloom.filter.column.names", "content,line"); conf.set("parquet.bloom.filter.expected.ndv","1000,200");
> {code}
>  
>  The issue is coming from getting the system property of expected distinct numbers through [Long.getLong(expectedNDVs[i])|https://github.com/apache/parquet-mr/blob/a737141a571e3cb6cee2c252dc4406e26e6c1177/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetOutputFormat.java#L251].
>  
> It's possible to fix it by parsing the string with Long.parseLong(expectedNDVs[i]).
>  



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