org.apache.iceberg

Class DataOperations

java.lang.Object

org.apache.iceberg.DataOperations

public class DataOperations
extends java.lang.Object

Data operations that produce snapshots.

A snapshot can return the operation that created the snapshot to help other components ignore snapshots that are not needed for some tasks. For example, snapshot expiration does not need to clean up deleted files for appends, which have no deleted files.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	APPEND New data is appended to the table and no data is removed or deleted.
static java.lang.String	DELETE Data is deleted from the table and no data is added.
static java.lang.String	OVERWRITE New data is added to overwrite existing data.
static java.lang.String	REPLACE Files are removed and replaced, without changing the data in the table.

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

APPEND

public static final java.lang.String APPEND

New data is appended to the table and no data is removed or deleted.

This operation is implemented by AppendFiles.

See Also:

Constant Field Values

REPLACE

public static final java.lang.String REPLACE

Files are removed and replaced, without changing the data in the table.

This operation is implemented by RewriteFiles.

See Also:

Constant Field Values

OVERWRITE

public static final java.lang.String OVERWRITE

New data is added to overwrite existing data.

This operation is implemented by OverwriteFiles and ReplacePartitions.

See Also:

Constant Field Values

DELETE

public static final java.lang.String DELETE

Data is deleted from the table and no data is added.

This operation is implemented by DeleteFiles.

See Also:

Constant Field Values