Package org.apache.orc.impl

Class OrcAcidUtils

java.lang.Object

org.apache.orc.impl.OrcAcidUtils

public class OrcAcidUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ACID_STATS
static final String	DELTA_SIDE_FILE_SUFFIX

Constructor Summary

Constructors

Constructor	Description
OrcAcidUtils()

Method Summary

Modifier and Type	Method	Description
static long	getLastFlushLength(FileSystem fs, Path deltaFile)	Read the side file to get the last flush length.
static Path	getSideFile(Path main)	Get the filename of the ORC ACID side file that contains the lengths of the intermediate footers.
static AcidStats	parseAcidStats(Reader reader)

Methods inherited from class java.lang.Object

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

Field Details

ACID_STATS

public static final String ACID_STATS

See Also:

• Constant Field Values

DELTA_SIDE_FILE_SUFFIX

public static final String DELTA_SIDE_FILE_SUFFIX

See Also:

• Constant Field Values

Constructor Details

OrcAcidUtils

public OrcAcidUtils()

Method Details

getSideFile

public static Path getSideFile(Path main)

Get the filename of the ORC ACID side file that contains the lengths of the intermediate footers.

Parameters:

main - the main ORC filename

Returns:

the name of the side file

getLastFlushLength

public static long getLastFlushLength(FileSystem fs,
 Path deltaFile)
                               throws IOException

Read the side file to get the last flush length.

Parameters:

fs - the file system to use

deltaFile - the path of the delta file

Returns:

the maximum size of the file to use

Throws:

IOException

parseAcidStats

public static AcidStats parseAcidStats(Reader reader)