org.apache.hadoop.hive.ql.io.orc

Class OrcFlowFileWriter.TimestampTreeWriter

java.lang.Object

org.apache.hadoop.hive.ql.io.orc.OrcFlowFileWriter.TreeWriter

org.apache.hadoop.hive.ql.io.orc.OrcFlowFileWriter.TimestampTreeWriter

Enclosing class:

OrcFlowFileWriter

private static class OrcFlowFileWriter.TimestampTreeWriter
extends OrcFlowFileWriter.TreeWriter

Field Summary

Fields

Modifier and Type	Field and Description
private long	base_timestamp
private boolean	isDirectV2
private org.apache.hadoop.hive.ql.io.orc.IntegerWriter	nanos
private org.apache.hadoop.hive.ql.io.orc.IntegerWriter	seconds

Fields inherited from class org.apache.hadoop.hive.ql.io.orc.OrcFlowFileWriter.TreeWriter

bloomFilter, childrenWriters, createBloomFilter, id, indexStatistics, inspector, rowIndexPosition, stripeColStatistics

Constructor Summary

Constructors

Constructor and Description
TimestampTreeWriter(int columnId, org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector inspector, OrcFlowFileWriter.StreamFactory writer, boolean nullable)

Method Summary

Modifier and Type	Method and Description
private static long	formatNanos(int nanos)
(package private) org.apache.hadoop.hive.ql.io.orc.OrcProto.ColumnEncoding	getEncoding() Get the encoding for this column.
(package private) void	recordPosition(org.apache.hadoop.hive.ql.io.orc.PositionRecorder recorder) Record the current position in each of this column's streams.
(package private) void	write(Object obj) Add a new value to the column.
(package private) void	writeStripe(org.apache.hadoop.hive.ql.io.orc.OrcProto.StripeFooter.Builder builder, int requiredIndexEntries) Write the stripe out to the file.

Methods inherited from class org.apache.hadoop.hive.ql.io.orc.OrcFlowFileWriter.TreeWriter

addBloomFilterEntry, createIntegerWriter, createRowIndexEntry, estimateMemory, getChildrenWriters, getFileStatistics, getRowIndex, getRowIndexEntry, getStripeStatistics, isNewWriteFormat, writeBatch, writeRootBatch

Methods inherited from class java.lang.Object

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

Field Detail

seconds

private final org.apache.hadoop.hive.ql.io.orc.IntegerWriter seconds

nanos

private final org.apache.hadoop.hive.ql.io.orc.IntegerWriter nanos

isDirectV2

private final boolean isDirectV2

base_timestamp

private final long base_timestamp

Constructor Detail

TimestampTreeWriter

TimestampTreeWriter(int columnId,
                    org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector inspector,
                    OrcFlowFileWriter.StreamFactory writer,
                    boolean nullable)
             throws IOException

Throws:

IOException

Method Detail

getEncoding

org.apache.hadoop.hive.ql.io.orc.OrcProto.ColumnEncoding getEncoding()

Description copied from class: OrcFlowFileWriter.TreeWriter

Get the encoding for this column.

Overrides:

getEncoding in class OrcFlowFileWriter.TreeWriter

Returns:

the information about the encoding of this column

write

void write(Object obj)
    throws IOException

Description copied from class: OrcFlowFileWriter.TreeWriter

Add a new value to the column.

Overrides:

write in class OrcFlowFileWriter.TreeWriter

Parameters:

obj - The value to write to the column

Throws:

IOException - if an error occurs during add

writeStripe

void writeStripe(org.apache.hadoop.hive.ql.io.orc.OrcProto.StripeFooter.Builder builder,
                 int requiredIndexEntries)
          throws IOException

Description copied from class: OrcFlowFileWriter.TreeWriter

Write the stripe out to the file.

Overrides:

writeStripe in class OrcFlowFileWriter.TreeWriter

Parameters:

builder - the stripe footer that contains the information about the layout of the stripe. The TreeWriter is required to update the footer with its information.

requiredIndexEntries - the number of index entries that are required. this is to check to make sure the row index is well formed.

Throws:

IOException - if an error occurs during write

formatNanos

private static long formatNanos(int nanos)

recordPosition

void recordPosition(org.apache.hadoop.hive.ql.io.orc.PositionRecorder recorder)
             throws IOException

Description copied from class: OrcFlowFileWriter.TreeWriter

Record the current position in each of this column's streams.

Overrides:

recordPosition in class OrcFlowFileWriter.TreeWriter

Parameters:

recorder - where should the locations be recorded

Throws:

IOException - if an error occurs during position recording