Package | Description |
---|---|
parquet.column | |
parquet.column.page | |
parquet.column.values | |
parquet.column.values.dictionary | |
parquet.hadoop |
Provides classes to store use Parquet files in Hadoop
In a map reduce job:
|
Modifier and Type | Method and Description |
---|---|
Dictionary |
Encoding.initDictionary(ColumnDescriptor descriptor,
DictionaryPage dictionaryPage)
initializes a dictionary from a page
|
Modifier and Type | Method and Description |
---|---|
DictionaryPage |
DictionaryPage.copy() |
DictionaryPage |
PageReader.readDictionaryPage() |
Modifier and Type | Method and Description |
---|---|
void |
PageWriter.writeDictionaryPage(DictionaryPage dictionaryPage)
writes a dictionary page
|
Modifier and Type | Method and Description |
---|---|
DictionaryPage |
ValuesWriter.createDictionaryPage() |
Modifier and Type | Method and Description |
---|---|
DictionaryPage |
DictionaryValuesWriter.PlainBinaryDictionaryValuesWriter.createDictionaryPage() |
DictionaryPage |
DictionaryValuesWriter.PlainFixedLenArrayDictionaryValuesWriter.createDictionaryPage() |
DictionaryPage |
DictionaryValuesWriter.PlainLongDictionaryValuesWriter.createDictionaryPage() |
DictionaryPage |
DictionaryValuesWriter.PlainDoubleDictionaryValuesWriter.createDictionaryPage() |
DictionaryPage |
DictionaryValuesWriter.PlainIntegerDictionaryValuesWriter.createDictionaryPage() |
DictionaryPage |
DictionaryValuesWriter.PlainFloatDictionaryValuesWriter.createDictionaryPage() |
Constructor and Description |
---|
PlainBinaryDictionary(DictionaryPage dictionaryPage)
Decodes
Binary values from a DictionaryPage . |
PlainBinaryDictionary(DictionaryPage dictionaryPage,
Integer length)
Decodes
Binary values from a DictionaryPage . |
PlainDoubleDictionary(DictionaryPage dictionaryPage) |
PlainFloatDictionary(DictionaryPage dictionaryPage) |
PlainIntegerDictionary(DictionaryPage dictionaryPage) |
PlainLongDictionary(DictionaryPage dictionaryPage) |
PlainValuesDictionary(DictionaryPage dictionaryPage) |
Modifier and Type | Method and Description |
---|---|
void |
ParquetFileWriter.writeDictionaryPage(DictionaryPage dictionaryPage)
writes a dictionary page page
|
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