public static class TreeReaderFactory.BooleanTreeReader extends TreeReaderFactory.TreeReader
TypeReader.ReaderCategory, TypeReader.ReadPhase
Modifier and Type | Field and Description |
---|---|
protected BitFieldReader |
reader |
columnId, context, present, readerCategory
Modifier | Constructor and Description |
---|---|
protected |
BooleanTreeReader(int columnId,
InStream present,
InStream data,
TreeReaderFactory.Context context) |
Modifier and Type | Method and Description |
---|---|
void |
nextVector(ColumnVector previousVector,
boolean[] isNull,
int batchSize,
org.apache.hadoop.hive.ql.io.filter.FilterContext filterContext,
TypeReader.ReadPhase readPhase)
Populates the isNull vector array in the previousVector object based on
the present stream values.
|
void |
seek(PositionProvider[] index,
TypeReader.ReadPhase readPhase)
Seek to the given position.
|
void |
seek(PositionProvider index,
TypeReader.ReadPhase readPhase) |
void |
skipRows(long items,
TypeReader.ReadPhase readPhase) |
void |
startStripe(StripePlanner planner,
TypeReader.ReadPhase readPhase) |
checkEncoding, countNonNullRowsInRange, countNonNulls, createIntegerReader, getColumnId, getPresent, getReaderCategory
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
shouldProcessChild
protected BitFieldReader reader
protected BooleanTreeReader(int columnId, InStream present, InStream data, TreeReaderFactory.Context context) throws IOException
IOException
public void startStripe(StripePlanner planner, TypeReader.ReadPhase readPhase) throws IOException
startStripe
in interface TypeReader
startStripe
in class TreeReaderFactory.TreeReader
IOException
public void seek(PositionProvider[] index, TypeReader.ReadPhase readPhase) throws IOException
TreeReaderFactory.TreeReader
seek
in interface TypeReader
seek
in class TreeReaderFactory.TreeReader
index
- the indexes loaded from the filereadPhase
- the current readPhaseIOException
public void seek(PositionProvider index, TypeReader.ReadPhase readPhase) throws IOException
seek
in interface TypeReader
seek
in class TreeReaderFactory.TreeReader
IOException
public void skipRows(long items, TypeReader.ReadPhase readPhase) throws IOException
IOException
public void nextVector(ColumnVector previousVector, boolean[] isNull, int batchSize, org.apache.hadoop.hive.ql.io.filter.FilterContext filterContext, TypeReader.ReadPhase readPhase) throws IOException
TreeReaderFactory.TreeReader
nextVector
in interface TypeReader
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 vectorfilterContext
- the information about the rows that were selected
by the filter.readPhase
- The read levelIOException
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