public interface Snapshot
A snapshot consist of one or more file manifests, and the complete table contents is the union of all the data files in those manifests.
Snapshots are created by table operations, like AppendFiles
and RewriteFiles
.
Modifier and Type | Method and Description |
---|---|
java.lang.Iterable<DataFile> |
addedFiles()
Return all files added to the table in this snapshot.
|
java.lang.Iterable<DataFile> |
deletedFiles()
Return all files deleted from the table in this snapshot.
|
java.lang.String |
manifestListLocation()
Return the location of this snapshot's manifest list, or null if it is not separate.
|
java.util.List<ManifestFile> |
manifests()
Return the location of all manifests in this snapshot.
|
java.lang.String |
operation()
Return the name of the
data operation that produced this snapshot. |
java.lang.Long |
parentId()
Return this snapshot's parent ID or null.
|
long |
sequenceNumber()
Return this snapshot's sequence number.
|
long |
snapshotId()
Return this snapshot's ID.
|
java.util.Map<java.lang.String,java.lang.String> |
summary()
Return a string map of summary data for the operation that produced this snapshot.
|
long |
timestampMillis()
Return this snapshot's timestamp.
|
long sequenceNumber()
Sequence numbers are assigned when a snapshot is committed.
long snapshotId()
java.lang.Long parentId()
long timestampMillis()
This timestamp is the same as those produced by System.currentTimeMillis()
.
java.util.List<ManifestFile> manifests()
The current table is made of the union of the data files in these manifests.
java.lang.String operation()
data operation
that produced this snapshot.DataOperations
java.util.Map<java.lang.String,java.lang.String> summary()
java.lang.Iterable<DataFile> addedFiles()
The files returned include the following columns: file_path, file_format, partition, record_count, and file_size_in_bytes. Other columns will be null.
java.lang.Iterable<DataFile> deletedFiles()
The files returned include the following columns: file_path, file_format, partition, record_count, and file_size_in_bytes. Other columns will be null.
java.lang.String manifestListLocation()