org.apache.parquet.column.page

Interface DictionaryPageReadStore

public interface DictionaryPageReadStore

Interface to read dictionary pages for all the columns of a row group

Method Summary

Modifier and Type	Method and Description
DictionaryPage	readDictionaryPage(ColumnDescriptor descriptor) Returns a DictionaryPage for the given column descriptor.

Method Detail

readDictionaryPage

DictionaryPage readDictionaryPage(ColumnDescriptor descriptor)

Returns a DictionaryPage for the given column descriptor. The dictionary page bytes are uncompressed.

Parameters:

descriptor - the descriptor of the column

Returns:

the DictionaryPage for that column, or null if there isn't one