Package | Description |
---|---|
parquet.column.impl | |
parquet.hadoop |
Provides classes to store use Parquet files in Hadoop
In a map reduce job:
|
parquet.io | |
parquet.tools.command |
Constructor and Description |
---|
ColumnReadStoreImpl(PageReadStore pageReadStore,
GroupConverter recordConverter,
MessageType schema) |
Modifier and Type | Method and Description |
---|---|
PageReadStore |
ParquetFileReader.readNextRowGroup()
Reads all the columns requested from the row group at the current file position.
|
Modifier and Type | Method and Description |
---|---|
<T> RecordReader<T> |
MessageColumnIO.getRecordReader(PageReadStore columns,
RecordMaterializer<T> recordMaterializer) |
<T> RecordReader<T> |
MessageColumnIO.getRecordReader(PageReadStore columns,
RecordMaterializer<T> recordMaterializer,
UnboundRecordFilter unboundFilter) |
Modifier and Type | Method and Description |
---|---|
static void |
DumpCommand.dump(PrettyPrintWriter out,
PageReadStore store,
ColumnDescriptor column) |
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