Package org.apache.iceberg

Interface BatchScan

All Superinterfaces:

Scan<BatchScan,ScanTask,ScanTaskGroup<ScanTask>>

All Known Implementing Classes:

PositionDeletesTable.PositionDeletesBatchScan, SparkDistributedDataScan

public interface BatchScan
extends Scan<BatchScan,ScanTask,ScanTaskGroup<ScanTask>>

API for configuring a batch scan.

Method Summary

Modifier and Type	Method	Description
BatchScan	asOfTime(long timestampMillis)	Create a new BatchScan from this scan's configuration that will use the most recent snapshot as of the given time in milliseconds on the branch in the scan or main if no branch is set.
Snapshot	snapshot()	Returns the Snapshot that will be used by this scan.
Table	table()	Returns the Table from which this scan loads data.
BatchScan	useRef(java.lang.String ref)	Create a new BatchScan from this scan's configuration that will use the given reference.
BatchScan	useSnapshot(long snapshotId)	Create a new BatchScan from this scan's configuration that will use a snapshot with the given ID.

Methods inherited from interface org.apache.iceberg.Scan

caseSensitive, filter, filter, ignoreResiduals, includeColumnStats, includeColumnStats, isCaseSensitive, metricsReporter, option, planFiles, planTasks, planWith, project, schema, select, select, splitLookback, splitOpenFileCost, targetSplitSize

Method Detail

table

Table table()

Returns the Table from which this scan loads data.

Returns:

this scan's table

useSnapshot

BatchScan useSnapshot(long snapshotId)

Create a new BatchScan from this scan's configuration that will use a snapshot with the given ID.

Parameters:

snapshotId - a snapshot ID

Returns:

a new scan based on this with the given snapshot ID

Throws:

java.lang.IllegalArgumentException - if the snapshot cannot be found

useRef

BatchScan useRef(java.lang.String ref)

Create a new BatchScan from this scan's configuration that will use the given reference.

Parameters:

ref - a reference

Returns:

a new scan based on this with the given reference

Throws:

java.lang.IllegalArgumentException - if the reference with the given name could not be found

asOfTime

BatchScan asOfTime(long timestampMillis)

Create a new BatchScan from this scan's configuration that will use the most recent snapshot as of the given time in milliseconds on the branch in the scan or main if no branch is set.

Parameters:

timestampMillis - a timestamp in milliseconds

Returns:

a new scan based on this with the current snapshot at the given time

Throws:

java.lang.IllegalArgumentException - if the snapshot cannot be found or time travel is attempted on a tag

snapshot

Snapshot snapshot()

Returns the Snapshot that will be used by this scan.

If the snapshot was not configured using asOfTime(long) or useSnapshot(long), the current table snapshot will be used.

Returns:

the Snapshot this scan will use