Package io.trino.parquet.reader

Class PrimitiveColumnReader

java.lang.Object

io.trino.parquet.reader.PrimitiveColumnReader

Direct Known Subclasses:

BinaryColumnReader, BooleanColumnReader, DoubleColumnReader, FloatColumnReader, Int64TimestampMillisColumnReader, Int64TimestampNanosColumnReader, IntColumnReader, LongColumnReader, LongDecimalColumnReader, ShortDecimalColumnReader, TimeMicrosColumnReader, TimestampColumnReader, TimestampMicrosColumnReader, UuidColumnReader

public abstract class PrimitiveColumnReader
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
protected RichColumnDescriptor	columnDescriptor
protected int	definitionLevel
protected int	repetitionLevel
protected org.apache.parquet.column.values.ValuesReader	valuesReader

Constructor Summary

Constructors

Constructor	Description
PrimitiveColumnReader(RichColumnDescriptor columnDescriptor)

Method Summary

Modifier and Type	Method	Description
static PrimitiveColumnReader	createReader(RichColumnDescriptor descriptor, org.joda.time.DateTimeZone timeZone)
io.trino.parquet.reader.PageReader	getPageReader()
protected boolean	isValueNull()
void	prepareNextRead(int batchSize)
ColumnChunk	readPrimitive(Field field)
protected abstract void	readValue(BlockBuilder blockBuilder, Type type)
void	setPageReader(io.trino.parquet.reader.PageReader pageReader, org.apache.parquet.internal.filter2.columnindex.RowRanges rowRanges)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

columnDescriptor

protected final RichColumnDescriptor columnDescriptor

definitionLevel

protected int definitionLevel

repetitionLevel

protected int repetitionLevel

valuesReader

protected org.apache.parquet.column.values.ValuesReader valuesReader

Constructor Detail

PrimitiveColumnReader

public PrimitiveColumnReader(RichColumnDescriptor columnDescriptor)

Method Detail

readValue

protected abstract void readValue(BlockBuilder blockBuilder,
                                  Type type)

isValueNull

protected boolean isValueNull()

createReader

public static PrimitiveColumnReader createReader(RichColumnDescriptor descriptor,
                                                 org.joda.time.DateTimeZone timeZone)

getPageReader

public io.trino.parquet.reader.PageReader getPageReader()

setPageReader

public void setPageReader(io.trino.parquet.reader.PageReader pageReader,
                          org.apache.parquet.internal.filter2.columnindex.RowRanges rowRanges)

prepareNextRead

public void prepareNextRead(int batchSize)

readPrimitive

public ColumnChunk readPrimitive(Field field)