Package io.debezium.connector.postgresql

Class PostgresSignalBasedIncrementalSnapshotChangeEventSource

java.lang.Object

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

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

io.debezium.connector.postgresql.PostgresSignalBasedIncrementalSnapshotChangeEventSource

All Implemented Interfaces:

IncrementalSnapshotChangeEventSource<PostgresPartition,TableId>

public class PostgresSignalBasedIncrementalSnapshotChangeEventSource
extends SignalBasedIncrementalSnapshotChangeEventSource<PostgresPartition,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 final PostgresConnection	jdbcConnection
private static final org.slf4j.Logger	LOGGER
private final PostgresSchema	schema

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

columnFilter, connectorConfig, context, dispatcher, notificationService, window

Constructor Summary

Constructors

Constructor

Description

PostgresSignalBasedIncrementalSnapshotChangeEventSource(RelationalDatabaseConnectorConfig config, JdbcConnection jdbcConnection, EventDispatcher<PostgresPartition,TableId> dispatcher, DatabaseSchema<?> databaseSchema, Clock clock, SnapshotProgressListener<PostgresPartition> progressListener, DataChangeEventListener<PostgresPartition> dataChangeEventListener, NotificationService<PostgresPartition,? extends OffsetContext> notificationService)

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, buildChunkQuery, buildMaxPrimaryKeyQuery, buildProjection, closeWindow, deduplicateWindow, getChangeRecordEmitter, getSignalTableName, init, pauseSnapshot, postIncrementalSnapshotCompleted, postReadChunk, preReadChunk, processSchemaChange, readChunk, readTableChunkStatement, rereadChunk, resumeSnapshot, sendEvent, sendWindowEvents, setContext, stopSnapshot

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 Details

LOGGER

private static final org.slf4j.Logger LOGGER

jdbcConnection

private final PostgresConnection jdbcConnection

schema

private final PostgresSchema schema

Constructor Details

PostgresSignalBasedIncrementalSnapshotChangeEventSource

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

Method Details

refreshTableSchema

protected Table refreshTableSchema(Table table)
                            throws SQLException

Overrides:

refreshTableSchema in class AbstractIncrementalSnapshotChangeEventSource<PostgresPartition,TableId>

Throws:

SQLException