public static class TreeReaderFactory.CharTreeReader extends TreeReaderFactory.StringTreeReader
TypeReader.ReaderCategory, TypeReader.ReadPhasereadercolumnId, context, present, readerCategory| Modifier | Constructor and Description |
|---|---|
protected |
CharTreeReader(int columnId,
int maxLength,
InStream present,
InStream data,
InStream length,
InStream dictionary,
OrcProto.ColumnEncoding encoding,
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.
|
checkEncoding, seek, seek, skipRows, startStripecountNonNullRowsInRange, countNonNulls, createIntegerReader, getColumnId, getPresent, getReaderCategoryclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitshouldProcessChildprotected CharTreeReader(int columnId,
int maxLength,
InStream present,
InStream data,
InStream length,
InStream dictionary,
OrcProto.ColumnEncoding encoding,
TreeReaderFactory.Context context)
throws IOException
IOExceptionpublic void nextVector(ColumnVector previousVector, boolean[] isNull, int batchSize, org.apache.hadoop.hive.ql.io.filter.FilterContext filterContext, TypeReader.ReadPhase readPhase) throws IOException
TreeReaderFactory.TreeReadernextVector in interface TypeReadernextVector in class TreeReaderFactory.StringTreeReaderpreviousVector - 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 levelIOExceptionCopyright © 2013–2023 The Apache Software Foundation. All rights reserved.