io.prestosql.plugin.hive

Class S3SelectLineRecordReader

java.lang.Object

io.prestosql.plugin.hive.S3SelectLineRecordReader

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

Direct Known Subclasses:

S3SelectCsvRecordReader

@ThreadSafe
public abstract class S3SelectLineRecordReader
extends Object
implements org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.hadoop.io.compress.CompressionCodecFactory	compressionCodecFactory
protected String	lineDelimiter

Method Summary

Modifier and Type	Method and Description
abstract com.amazonaws.services.s3.model.SelectObjectContentRequest	buildSelectObjectRequest(Properties schema, String query, org.apache.hadoop.fs.Path path)
void	close()
org.apache.hadoop.io.LongWritable	createKey()
org.apache.hadoop.io.Text	createValue()
long	getPos()
float	getProgress()
boolean	next(org.apache.hadoop.io.LongWritable key, org.apache.hadoop.io.Text value)

Methods inherited from class java.lang.Object

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

Field Detail

compressionCodecFactory

protected final org.apache.hadoop.io.compress.CompressionCodecFactory compressionCodecFactory

lineDelimiter

protected final String lineDelimiter

Method Detail

buildSelectObjectRequest

public abstract com.amazonaws.services.s3.model.SelectObjectContentRequest buildSelectObjectRequest(Properties schema,
                                                                                                    String query,
                                                                                                    org.apache.hadoop.fs.Path path)

next

public boolean next(org.apache.hadoop.io.LongWritable key,
                    org.apache.hadoop.io.Text value)
             throws IOException

Specified by:

next in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

Throws:

IOException

createKey

public org.apache.hadoop.io.LongWritable createKey()

Specified by:

createKey in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

createValue

public org.apache.hadoop.io.Text createValue()

Specified by:

createValue in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

getPos

public long getPos()

Specified by:

getPos in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

Throws:

IOException

getProgress

public float getProgress()

Specified by:

getProgress in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>