Package org.apache.parquet.column.page
Interface PageReader
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public interface PageReader
Reader for a sequence a page from a given column chunk
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description long
getTotalValueCount()
DictionaryPage
readDictionaryPage()
DataPage
readPage()
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Method Detail
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readDictionaryPage
DictionaryPage readDictionaryPage()
- Returns:
- the dictionary page in that chunk or null if none
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getTotalValueCount
long getTotalValueCount()
- Returns:
- the total number of values in the column chunk
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readPage
DataPage readPage()
- Returns:
- the next page in that chunk or null if after the last page
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