java.lang.Object
- org.apache.iceberg.BaseMetadataTable
- - org.apache.iceberg.RefsTable

All Implemented Interfaces:

java.io.Serializable, Table
```
public class RefsTable
extends BaseMetadataTable
```
A Table implementation that exposes a table's known snapshot references as rows.
SnapshotRefType stores the valid snapshot references type.

See Also:

Serialized Form

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`ExpireSnapshots`	`expireSnapshots()`	Create a new `expire API` to expire snapshots in this table and commit.
`ManageSnapshots`	`manageSnapshots()`	Create a new `manage snapshots API` to manage snapshots in this table and commit.
`AppendFiles`	`newAppend()`	Create a new `append API` to add files to this table and commit.
`DeleteFiles`	`newDelete()`	Create a new `delete API` to delete 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.
`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.
`Schema`	`schema()`	Return the `schema` for this table.
`UpdateLocation`	`updateLocation()`	Create a new `UpdateLocation` to update table location and commit the changes.
`UpdatePartitionStatistics`	`updatePartitionStatistics()`	Create a new `update partition statistics API` to add or remove partition statistics files in this table.
`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.
`UpdateStatistics`	`updateStatistics()`	Create a new `update table statistics API` to add or remove statistics files in this table.

Methods inherited from class org.apache.iceberg.BaseMetadataTable
currentSnapshot, encryption, history, io, location, locationProvider, name, partitionStatisticsFiles, properties, refresh, refs, schemas, snapshot, snapshots, sortOrder, sortOrders, spec, specs, statisticsFiles, table, toString, uuid

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
newBatchScan, newFastAppend, newIncrementalAppendScan, newIncrementalChangelogScan, snapshot

- 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
  - 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 delete files in this table and commit.
    
    Specified by:
    
    newDelete in interface Table
    
    Returns:
    
    a new DeleteFiles
  - updateStatistics
```
public UpdateStatistics updateStatistics()
```
    Description copied from interface: Table
    
    Create a new update table statistics API to add or remove statistics files in this table.
    
    Specified by:
    
    updateStatistics in interface Table
    
    Returns:
    
    a new UpdateStatistics
  - updatePartitionStatistics
```
public UpdatePartitionStatistics updatePartitionStatistics()
```
    Description copied from interface: Table
    
    Create a new update partition statistics API to add or remove partition statistics files in this table.
    
    Specified by:
    
    updatePartitionStatistics in interface Table
    
    Returns:
    
    a new UpdatePartitionStatistics
  - expireSnapshots
```
public ExpireSnapshots expireSnapshots()
```
    Description copied from interface: Table
    
    Create a new expire API to expire snapshots in this table and commit.
    
    Specified by:
    
    expireSnapshots in interface Table
    
    Returns:
    
    a new ExpireSnapshots
  - 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

Class RefsTable

Method Summary

Methods inherited from class org.apache.iceberg.BaseMetadataTable

Methods inherited from class java.lang.Object

Methods inherited from interface org.apache.iceberg.Table

Method Detail

newScan

schema

updateSchema

updateSpec

updateProperties

replaceSortOrder

updateLocation

newAppend

newRewrite

rewriteManifests

newOverwrite

newRowDelta

newReplacePartitions

newDelete

updateStatistics

updatePartitionStatistics

expireSnapshots

manageSnapshots

newTransaction