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https://issues.apache.org/jira/browse/PARQUET-1472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated PARQUET-1472:
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Labels: pull-request-available (was: )
> Dictionary filter fails on FIXED_LEN_BYTE_ARRAY
> -----------------------------------------------
>
> Key: PARQUET-1472
> URL: https://issues.apache.org/jira/browse/PARQUET-1472
> Project: Parquet
> Issue Type: Bug
> Components: parquet-mr
> Reporter: Gabor Szadovszky
> Assignee: Gabor Szadovszky
> Priority: Major
> Labels: pull-request-available
>
> DictonaryFilter does not handle FIXED_LEN_BYTE_ARRAY. Moreover,
> [DictionaryFilter.expandFilter(ColumnChunkMetaData)|https://github.com/apache/parquet-mr/blob/dc61e510126aaa1a95a46fe39bf1529f394147e9/parquet-hadoop/src/main/java/org/apache/parquet/filter2/dictionarylevel/DictionaryFilter.java#L78]
> returns an empty map instead of null therefore the row-group might be
> dropped as the value seems to not being in the dictionary.
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