public static class TreeReaderFactory.BinaryTreeReader extends TreeReaderFactory.TreeReader
Modifier and Type | Field and Description |
---|---|
protected IntegerReader |
lengths |
protected LongColumnVector |
scratchlcv |
protected InStream |
stream |
columnId, present, valuePresent, vectorColumnCount
Modifier | Constructor and Description |
---|---|
protected |
BinaryTreeReader(int columnId,
InStream present,
InStream data,
InStream length,
OrcProto.ColumnEncoding encoding) |
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 InStream stream
protected IntegerReader lengths
protected final LongColumnVector scratchlcv
protected BinaryTreeReader(int columnId, InStream present, InStream data, InStream length, OrcProto.ColumnEncoding encoding) 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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