HistoryTable

java.lang.Object
- org.apache.iceberg.HistoryTable

All Implemented Interfaces:

java.io.Serializable, HasTableOperations, Table
```
public class HistoryTable
extends java.lang.Object
```
A Table implementation that exposes a table's history as rows.
History is based on the table's snapshot log, which logs each update to the table's current snapshot.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field and Description

protected static java.lang.String PARTITION_FIELD_PREFIX

Fields
Modifier and Type	Field and Description
`protected static java.lang.String`	`PARTITION_FIELD_PREFIX`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`Snapshot`	`currentSnapshot()` Get the current `snapshot` for this table, or null if there are no snapshots.
`EncryptionManager`	`encryption()` Returns an `EncryptionManager` to encrypt and decrypt data files.
`ExpireSnapshots`	`expireSnapshots()` Create a new `expire API` to manage snapshots in this table and commit.
`java.util.List<HistoryEntry>`	`history()` Get the snapshot history of this table.
`FileIO`	`io()` Returns a `FileIO` to read and write table data and metadata files.
`java.lang.String`	`location()` Return the table's base location.
`LocationProvider`	`locationProvider()` Returns a `LocationProvider` to provide locations for new data files.
`ManageSnapshots`	`manageSnapshots()` Create a new `manage snapshots API` to manage snapshots in this table and commit.
`java.lang.String`	`name()` Return the full name for this table.
`AppendFiles`	`newAppend()` Create a new `append API` to add files to this table and commit.
`DeleteFiles`	`newDelete()` Create a new `delete API` to replace files in this table and commit.
`OverwriteFiles`	`newOverwrite()` Create a new `overwrite API` to overwrite files by a filter expression.
`ReplacePartitions`	`newReplacePartitions()` Not recommended: Create a new `replace partitions API` to dynamically overwrite partitions in the table with new data.
`RewriteFiles`	`newRewrite()` Create a new `rewrite API` to replace files in this table and commit.
`RowDelta`	`newRowDelta()` Create a new `row-level delta API` to remove or replace rows in existing data files.
`TableScan`	`newScan()` Create a new `scan` for this table.
`Transaction`	`newTransaction()` Create a new `transaction API` to commit multiple table operations at once.
`TableOperations`	`operations()`
`java.util.Map<java.lang.String,java.lang.String>`	`properties()` Return a map of string properties for this table.
`void`	`refresh()` Refresh the current table metadata.
`ReplaceSortOrder`	`replaceSortOrder()` Create a new `ReplaceSortOrder` to set the table sort order and commit the change.
`RewriteManifests`	`rewriteManifests()` Create a new `rewrite manifests API` to replace manifests for this table and commit.
`Rollback`	`rollback()` Create a new `rollback API` to roll back to a previous snapshot and commit.
`Schema`	`schema()` Return the `schema` for this table.
`java.util.Map<java.lang.Integer,Schema>`	`schemas()` Return a map of `schema` for this table.
`Snapshot`	`snapshot(long snapshotId)` Get the `snapshot` of this table with the given id, or null if there is no matching snapshot.
`java.lang.Iterable<Snapshot>`	`snapshots()` Get the `snapshots` of this table.
`SortOrder`	`sortOrder()` Return the `sort order` for this table.
`java.util.Map<java.lang.Integer,SortOrder>`	`sortOrders()` Return a map of sort order IDs to `sort orders` for this table.
`PartitionSpec`	`spec()` Return the `partition spec` for this table.
`java.util.Map<java.lang.Integer,PartitionSpec>`	`specs()` Return a map of `partition specs` for this table.
`protected Table`	`table()`
`java.lang.String`	`toString()`
`UpdateLocation`	`updateLocation()` Create a new `UpdateLocation` to update table location and commit the changes.
`UpdateProperties`	`updateProperties()` Create a new `UpdateProperties` to update table properties and commit the changes.
`UpdateSchema`	`updateSchema()` Create a new `UpdateSchema` to alter the columns of this table and commit the change.
`UpdatePartitionSpec`	`updateSpec()` Create a new `UpdatePartitionSpec` to alter the partition spec of this table and commit the change.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.iceberg.Table
newFastAppend

- Field Detail
  - PARTITION_FIELD_PREFIX
```
protected static final java.lang.String PARTITION_FIELD_PREFIX
```
    See Also:
    
    Constant Field Values
- Method Detail
  - newScan
```
public TableScan newScan()
```
    Description copied from interface: Table
    
    Create a new scan for this table.
    Once a table scan is created, it can be refined to project columns and filter data.
    
    Returns:
    
    a table scan for this table
  - schema
```
public Schema schema()
```
    Description copied from interface: Table
    
    Return the schema for this table.
    
    Returns:
    
    this table's schema
  - table
```
protected Table table()
```
  - operations
```
public TableOperations operations()
```
    Specified by:
    
    operations in interface HasTableOperations
  - name
```
public java.lang.String name()
```
    Description copied from interface: Table
    
    Return the full name for this table.
    
    Specified by:
    
    name in interface Table
    
    Returns:
    
    this table's name
  - io
```
public FileIO io()
```
    Description copied from interface: Table
    
    Returns a FileIO to read and write table data and metadata files.
    
    Specified by:
    
    io in interface Table
  - location
```
public java.lang.String location()
```
    Description copied from interface: Table
    
    Return the table's base location.
    
    Specified by:
    
    location in interface Table
    
    Returns:
    
    this table's location
  - encryption
```
public EncryptionManager encryption()
```
    Description copied from interface: Table
    
    Returns an EncryptionManager to encrypt and decrypt data files.
    
    Specified by:
    
    encryption in interface Table
  - locationProvider
```
public LocationProvider locationProvider()
```
    Description copied from interface: Table
    
    Returns a LocationProvider to provide locations for new data files.
    
    Specified by:
    
    locationProvider in interface Table
  - refresh
```
public void refresh()
```
    Description copied from interface: Table
    
    Refresh the current table metadata.
    
    Specified by:
    
    refresh in interface Table
  - schemas
```
public java.util.Map<java.lang.Integer,Schema> schemas()
```
    Description copied from interface: Table
    
    Return a map of schema for this table.
    
    Specified by:
    
    schemas in interface Table
    
    Returns:
    
    this table's schema map
  - spec
```
public PartitionSpec spec()
```
    Description copied from interface: Table
    
    Return the partition spec for this table.
    
    Specified by:
    
    spec in interface Table
    
    Returns:
    
    this table's partition spec
  - specs
```
public java.util.Map<java.lang.Integer,PartitionSpec> specs()
```
    Description copied from interface: Table
    
    Return a map of partition specs for this table.
    
    Specified by:
    
    specs in interface Table
    
    Returns:
    
    this table's partition specs map
  - sortOrder
```
public SortOrder sortOrder()
```
    Description copied from interface: Table
    
    Return the sort order for this table.
    
    Specified by:
    
    sortOrder in interface Table
    
    Returns:
    
    this table's sort order
  - sortOrders
```
public java.util.Map<java.lang.Integer,SortOrder> sortOrders()
```
    Description copied from interface: Table
    
    Return a map of sort order IDs to sort orders for this table.
    
    Specified by:
    
    sortOrders in interface Table
    
    Returns:
    
    this table's sort orders map
  - properties
```
public java.util.Map<java.lang.String,java.lang.String> properties()
```
    Description copied from interface: Table
    
    Return a map of string properties for this table.
    
    Specified by:
    
    properties in interface Table
    
    Returns:
    
    this table's properties map
  - currentSnapshot
```
public Snapshot currentSnapshot()
```
    Description copied from interface: Table
    
    Get the current snapshot for this table, or null if there are no snapshots.
    
    Specified by:
    
    currentSnapshot in interface Table
    
    Returns:
    
    the current table Snapshot.
  - snapshots
```
public java.lang.Iterable<Snapshot> snapshots()
```
    Description copied from interface: Table
    
    Get the snapshots of this table.
    
    Specified by:
    
    snapshots in interface Table
    
    Returns:
    
    an Iterable of snapshots of this table.
  - snapshot
```
public Snapshot snapshot(long snapshotId)
```
    Description copied from interface: Table
    
    Get the snapshot of this table with the given id, or null if there is no matching snapshot.
    
    Specified by:
    
    snapshot in interface Table
    
    Returns:
    
    the Snapshot with the given id.
  - history
```
public java.util.List<HistoryEntry> history()
```
    Description copied from interface: Table
    
    Get the snapshot history of this table.
    
    Specified by:
    
    history in interface Table
    
    Returns:
    
    a list of history entries
  - updateSchema
```
public UpdateSchema updateSchema()
```
    Description copied from interface: Table
    
    Create a new UpdateSchema to alter the columns of this table and commit the change.
    
    Specified by:
    
    updateSchema in interface Table
    
    Returns:
    
    a new UpdateSchema
  - updateSpec
```
public UpdatePartitionSpec updateSpec()
```
    Description copied from interface: Table
    
    Create a new UpdatePartitionSpec to alter the partition spec of this table and commit the change.
    
    Specified by:
    
    updateSpec in interface Table
    
    Returns:
    
    a new UpdatePartitionSpec
  - updateProperties
```
public UpdateProperties updateProperties()
```
    Description copied from interface: Table
    
    Create a new UpdateProperties to update table properties and commit the changes.
    
    Specified by:
    
    updateProperties in interface Table
    
    Returns:
    
    a new UpdateProperties
  - replaceSortOrder
```
public ReplaceSortOrder replaceSortOrder()
```
    Description copied from interface: Table
    
    Create a new ReplaceSortOrder to set the table sort order and commit the change.
    
    Specified by:
    
    replaceSortOrder in interface Table
    
    Returns:
    
    a new ReplaceSortOrder
  - updateLocation
```
public UpdateLocation updateLocation()
```
    Description copied from interface: Table
    
    Create a new UpdateLocation to update table location and commit the changes.
    
    Specified by:
    
    updateLocation in interface Table
    
    Returns:
    
    a new UpdateLocation
  - newAppend
```
public AppendFiles newAppend()
```
    Description copied from interface: Table
    
    Create a new append API to add files to this table and commit.
    
    Specified by:
    
    newAppend in interface Table
    
    Returns:
    
    a new AppendFiles
  - newRewrite
```
public RewriteFiles newRewrite()
```
    Description copied from interface: Table
    
    Create a new rewrite API to replace files in this table and commit.
    
    Specified by:
    
    newRewrite in interface Table
    
    Returns:
    
    a new RewriteFiles
  - rewriteManifests
```
public RewriteManifests rewriteManifests()
```
    Description copied from interface: Table
    
    Create a new rewrite manifests API to replace manifests for this table and commit.
    
    Specified by:
    
    rewriteManifests in interface Table
    
    Returns:
    
    a new RewriteManifests
  - newOverwrite
```
public OverwriteFiles newOverwrite()
```
    Description copied from interface: Table
    
    Create a new overwrite API to overwrite files by a filter expression.
    
    Specified by:
    
    newOverwrite in interface Table
    
    Returns:
    
    a new OverwriteFiles
  - newRowDelta
```
public RowDelta newRowDelta()
```
    Description copied from interface: Table
    
    Create a new row-level delta API to remove or replace rows in existing data files.
    
    Specified by:
    
    newRowDelta in interface Table
    
    Returns:
    
    a new RowDelta
  - newReplacePartitions
```
public ReplacePartitions newReplacePartitions()
```
    Description copied from interface: Table
    
    Not recommended: Create a new replace partitions API to dynamically overwrite partitions in the table with new data.
    This is provided to implement SQL compatible with Hive table operations but is not recommended. Instead, use the overwrite API to explicitly overwrite data.
    
    Specified by:
    
    newReplacePartitions in interface Table
    
    Returns:
    
    a new ReplacePartitions
  - newDelete
```
public DeleteFiles newDelete()
```
    Description copied from interface: Table
    
    Create a new delete API to replace files in this table and commit.
    
    Specified by:
    
    newDelete in interface Table
    
    Returns:
    
    a new DeleteFiles
  - expireSnapshots
```
public ExpireSnapshots expireSnapshots()
```
    Description copied from interface: Table
    
    Create a new expire API to manage snapshots in this table and commit.
    
    Specified by:
    
    expireSnapshots in interface Table
    
    Returns:
    
    a new ExpireSnapshots
  - rollback
```
public Rollback rollback()
```
    Description copied from interface: Table
    
    Create a new rollback API to roll back to a previous snapshot and commit.
    
    Specified by:
    
    rollback in interface Table
    
    Returns:
    
    a new Rollback
  - manageSnapshots
```
public ManageSnapshots manageSnapshots()
```
    Description copied from interface: Table
    
    Create a new manage snapshots API to manage snapshots in this table and commit.
    
    Specified by:
    
    manageSnapshots in interface Table
    
    Returns:
    
    a new ManageSnapshots
  - newTransaction
```
public Transaction newTransaction()
```
    Description copied from interface: Table
    
    Create a new transaction API to commit multiple table operations at once.
    
    Specified by:
    
    newTransaction in interface Table
    
    Returns:
    
    a new Transaction
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object

Class HistoryTable

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface org.apache.iceberg.Table

Field Detail

PARTITION_FIELD_PREFIX

Method Detail

newScan

schema

table

operations

name

io

location

encryption

locationProvider

refresh

schemas

spec

specs

sortOrder

sortOrders

properties

currentSnapshot

snapshots

snapshot

history

updateSchema

updateSpec

updateProperties

replaceSortOrder

updateLocation

newAppend

newRewrite

rewriteManifests

newOverwrite

newRowDelta

newReplacePartitions

newDelete

expireSnapshots

rollback

manageSnapshots

newTransaction

toString