state

Type Members

1. class StateInformationInCheckpoint extends AnyRef

   

   This class enables retrieving state.StateInformationInCheckpoint.StateInformation via reading checkpoint.

2. class StateSchemaExtractor extends Logging

   

   This class enables extracting state schema and its format version via analyzing the streaming query.

   This class enables extracting state schema and its format version via analyzing the streaming query. The query should have its state operators but it should exclude sink(s).

   Note that it only returns which can be extracted by this class, so number of state in given query may not be same as returned number of schema information.

3. class StateStoreDataSourceProvider extends DataSourceRegister with SchemaRelationProvider with CreatableRelationProvider

   

   Data Source Provider for state store to enable read to/write from state.

4. class StateStorePartition extends Partition

   

5. class StateStoreReaderRDD extends RDD[Row]

   

   An RDD that reads (key, value) pairs of state and provides rows having columns (key, value).

6. class StateStoreRelation extends BaseRelation with TableScan with Logging

   

7. class StateStoreWriter extends AnyRef