public static class TreeReaderFactory.ByteTreeReader extends TreeReaderFactory.TreeReader
Modifier and Type | Field and Description |
---|---|
protected RunLengthByteReader |
reader |
columnId, present, valuePresent, vectorColumnCount
Modifier | Constructor and Description |
---|---|
protected |
ByteTreeReader(int columnId,
InStream present,
InStream data) |
Modifier and Type | Method and Description |
---|---|
void |
nextVector(ColumnVector previousVector,
boolean[] isNull,
int batchSize)
Populates the isNull vector array in the previousVector object based on
the present stream values.
|
void |
seek(PositionProvider index) |
countNonNulls, getPresent, nextBatch
protected RunLengthByteReader reader
protected ByteTreeReader(int columnId, InStream present, InStream data) throws IOException
IOException
public void seek(PositionProvider index) throws IOException
seek
in class TreeReaderFactory.TreeReader
IOException
public void nextVector(ColumnVector previousVector, boolean[] isNull, int batchSize) throws IOException
TreeReaderFactory.TreeReader
nextVector
in class TreeReaderFactory.TreeReader
previousVector
- The columnVector object whose isNull value is populatedisNull
- Whether the each value was null at a higher level. If
isNull is null, all values are non-null.batchSize
- Size of the column vectorIOException
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