Package io.debezium.connector.postgresql

Class PostgresSignalBasedIncrementalSnapshotChangeEventSource

java.lang.Object

io.debezium.pipeline.source.snapshot.incremental.AbstractIncrementalSnapshotChangeEventSource<T>

io.debezium.pipeline.source.snapshot.incremental.SignalBasedIncrementalSnapshotChangeEventSource<TableId>

io.debezium.connector.postgresql.PostgresSignalBasedIncrementalSnapshotChangeEventSource

All Implemented Interfaces:

IncrementalSnapshotChangeEventSource<TableId>

public class PostgresSignalBasedIncrementalSnapshotChangeEventSource
extends SignalBasedIncrementalSnapshotChangeEventSource<TableId>

Custom PostgreSQL implementation of the SignalBasedIncrementalSnapshotChangeEventSource implementation which performs an explicit schema refresh of a table prior to the incremental snapshot starting.

Author:

Chris Cranford

Field Summary

Fields

Modifier and Type	Field	Description
private PostgresConnection	jdbcConnection
private static org.slf4j.Logger	LOGGER
private PostgresSchema	schema

Fields inherited from class io.debezium.pipeline.source.snapshot.incremental.AbstractIncrementalSnapshotChangeEventSource

context, dispatcher, window

Constructor Summary

Constructors

Constructor	Description
PostgresSignalBasedIncrementalSnapshotChangeEventSource(RelationalDatabaseConnectorConfig config, JdbcConnection jdbcConnection, EventDispatcher<TableId> dispatcher, DatabaseSchema<?> databaseSchema, Clock clock, SnapshotProgressListener progressListener, DataChangeEventListener dataChangeEventListener)

Method Summary

Modifier and Type	Method	Description
protected Table	refreshTableSchema(Table table)

Methods inherited from class io.debezium.pipeline.source.snapshot.incremental.SignalBasedIncrementalSnapshotChangeEventSource

emitWindowClose, emitWindowOpen, processMessage

Methods inherited from class io.debezium.pipeline.source.snapshot.incremental.AbstractIncrementalSnapshotChangeEventSource

addDataCollectionNamesToSnapshot, addKeyColumnsToCondition, buildChunkQuery, buildMaxPrimaryKeyQuery, closeWindow, deduplicateWindow, getChangeRecordEmitter, getSignalTableName, init, postIncrementalSnapshotCompleted, postReadChunk, preReadChunk, readChunk, readTableChunkStatement, sendEvent, sendWindowEvents, setContext

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.debezium.pipeline.source.snapshot.incremental.IncrementalSnapshotChangeEventSource

processFilteredEvent, processHeartbeat, processTransactionCommittedEvent, processTransactionStartedEvent

Field Detail

LOGGER

private static final org.slf4j.Logger LOGGER

jdbcConnection

private final PostgresConnection jdbcConnection

schema

private final PostgresSchema schema

Constructor Detail

PostgresSignalBasedIncrementalSnapshotChangeEventSource

public PostgresSignalBasedIncrementalSnapshotChangeEventSource(RelationalDatabaseConnectorConfig config,
                                                               JdbcConnection jdbcConnection,
                                                               EventDispatcher<TableId> dispatcher,
                                                               DatabaseSchema<?> databaseSchema,
                                                               Clock clock,
                                                               SnapshotProgressListener progressListener,
                                                               DataChangeEventListener dataChangeEventListener)

Method Detail

refreshTableSchema

protected Table refreshTableSchema(Table table)
                            throws SQLException

Overrides:

refreshTableSchema in class AbstractIncrementalSnapshotChangeEventSource<TableId>

Throws:

SQLException