Package io.debezium.connector.oracle

Class OracleDatabaseSchema

java.lang.Object

io.debezium.relational.RelationalDatabaseSchema

io.debezium.relational.HistorizedRelationalDatabaseSchema

io.debezium.connector.oracle.OracleDatabaseSchema

All Implemented Interfaces:

DatabaseSchema<TableId>, HistorizedDatabaseSchema<TableId>, AutoCloseable

public class OracleDatabaseSchema
extends HistorizedRelationalDatabaseSchema

The schema of an Oracle database.

Author:

Gunnar Morling

Nested Class Summary

Nested classes/interfaces inherited from interface io.debezium.schema.HistorizedDatabaseSchema

HistorizedDatabaseSchema.SchemaChangeEventConsumer

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ATTRIBUTE_DATA_OBJECT_ID
static final String	ATTRIBUTE_OBJECT_ID
private final OracleDdlParser	ddlParser
private final ConcurrentMap<TableId,List<Column>>	lobColumnsByTableId
private static final org.slf4j.Logger	LOGGER
private final LRUCacheMap<Long,TableId>	objectIdToTableId
private final OracleValueConverters	valueConverters

Fields inherited from class io.debezium.relational.HistorizedRelationalDatabaseSchema

schemaHistory, storageInitializationExecuted

Fields inherited from interface io.debezium.schema.DatabaseSchema

NO_CAPTURED_DATA_COLLECTIONS_WARNING

Constructor Summary

Constructors

Constructor	Description
OracleDatabaseSchema(OracleConnectorConfig connectorConfig, OracleValueConverters valueConverters, DefaultValueConverter defaultValueConverter, SchemaNameAdjuster schemaNameAdjuster, io.debezium.spi.topic.TopicNamingStrategy<TableId> topicNamingStrategy, StreamingAdapter.TableNameCaseSensitivity tableNameCaseSensitivity)

Method Summary

Modifier and Type	Method	Description
void	applySchemaChange(SchemaChangeEvent schemaChange)
protected void	buildAndRegisterSchema(Table table)
private void	buildAndRegisterTableLobColumns(Table table)
private void	buildAndRegisterTableObjectIdReferences(Table table)
OracleDdlParser	getDdlParser()
List<Column>	getLobColumnsForTable(TableId id)	Get a list of large object (LOB) columns for the specified relational table identifier.
TableId	getTableIdByObjectId(Long objectId, Long dataObjectId)	Get the TableId by objectId.
Tables	getTables()
OracleValueConverters	getValueConverters()
private static boolean	isBlobColumn(Column column)	Returns whether the provided relational column model is a CLOB data type.
private static boolean	isClobColumn(Column column)	Returns whether the provided relational column model is a CLOB or NCLOB data type.
boolean	isColumnUnavailableValuePlaceholder(Column column, Object value)	Returns whether the specified value is the unavailable value placeholder for an LOB column.
static boolean	isLobColumn(Column column)	Return whether the provided relational column model is a LOB data type.
static boolean	isXmlColumn(Column column)	Return whether the provided relational column model is a XML data type.
protected void	removeSchema(TableId id)

Methods inherited from class io.debezium.relational.HistorizedRelationalDatabaseSchema

close, ddlFilter, historyExists, initializeStorage, isHistorized, isStorageInitializationExecuted, record, recover, skipSchemaChangeEvent, skipUnparseableDdlStatements, storeOnlyCapturedDatabases, storeOnlyCapturedTables, tableInformationComplete

Methods inherited from class io.debezium.relational.RelationalDatabaseSchema

assureNonEmptySchema, clearSchemas, getTableFilter, refresh, refreshSchema, schemaFor, tableFor, tableIds, tables

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.debezium.schema.DatabaseSchema

assureNonEmptySchema, schemaFor

Methods inherited from interface io.debezium.schema.HistorizedDatabaseSchema

recover

Field Details

LOGGER

private static final org.slf4j.Logger LOGGER

ATTRIBUTE_OBJECT_ID

public static final String ATTRIBUTE_OBJECT_ID

See Also:

• Constant Field Values

ATTRIBUTE_DATA_OBJECT_ID

public static final String ATTRIBUTE_DATA_OBJECT_ID

See Also:

• Constant Field Values

ddlParser

private final OracleDdlParser ddlParser

lobColumnsByTableId

private final ConcurrentMap<TableId,List<Column>> lobColumnsByTableId

valueConverters

private final OracleValueConverters valueConverters

objectIdToTableId

private final LRUCacheMap<Long,TableId> objectIdToTableId

Constructor Details

OracleDatabaseSchema

public OracleDatabaseSchema(OracleConnectorConfig connectorConfig,
 OracleValueConverters valueConverters,
 DefaultValueConverter defaultValueConverter,
 SchemaNameAdjuster schemaNameAdjuster,
 io.debezium.spi.topic.TopicNamingStrategy<TableId> topicNamingStrategy,
 StreamingAdapter.TableNameCaseSensitivity tableNameCaseSensitivity)

Method Details

getTables

public Tables getTables()

getValueConverters

public OracleValueConverters getValueConverters()

getDdlParser

public OracleDdlParser getDdlParser()

Specified by:

getDdlParser in class HistorizedRelationalDatabaseSchema

applySchemaChange

public void applySchemaChange(SchemaChangeEvent schemaChange)

removeSchema

protected void removeSchema(TableId id)

Overrides:

removeSchema in class RelationalDatabaseSchema

buildAndRegisterSchema

protected void buildAndRegisterSchema(Table table)

Overrides:

buildAndRegisterSchema in class RelationalDatabaseSchema

getTableIdByObjectId

public TableId getTableIdByObjectId(Long objectId,
 Long dataObjectId)

Get the TableId by objectId.

Parameters:

objectId - the object id find the table id about, cannot be null

dataObjectId - the data object id, may be null

Returns:

the table identifier or null if no entry is cached or in the schema with the object id

getLobColumnsForTable

public List<Column> getLobColumnsForTable(TableId id)

Get a list of large object (LOB) columns for the specified relational table identifier.

Parameters:

id - the relational table identifier

Returns:

a list of LOB columns, may be empty if the table has no LOB columns

isColumnUnavailableValuePlaceholder

public boolean isColumnUnavailableValuePlaceholder(Column column,
 Object value)

Returns whether the specified value is the unavailable value placeholder for an LOB column.

isLobColumn

public static boolean isLobColumn(Column column)

Return whether the provided relational column model is a LOB data type.

isXmlColumn

public static boolean isXmlColumn(Column column)

Return whether the provided relational column model is a XML data type.

isClobColumn

private static boolean isClobColumn(Column column)

Returns whether the provided relational column model is a CLOB or NCLOB data type.

isBlobColumn

private static boolean isBlobColumn(Column column)

Returns whether the provided relational column model is a CLOB data type.

buildAndRegisterTableObjectIdReferences

private void buildAndRegisterTableObjectIdReferences(Table table)

buildAndRegisterTableLobColumns

private void buildAndRegisterTableLobColumns(Table table)