Package io.debezium.connector.oracle

Class OracleConnection

java.lang.Object

io.debezium.jdbc.JdbcConnection

io.debezium.connector.oracle.OracleConnection

All Implemented Interfaces:

AutoCloseable

public class OracleConnection
extends JdbcConnection

Nested Class Summary

Nested classes/interfaces inherited from class io.debezium.jdbc.JdbcConnection

JdbcConnection.BlockingMultiResultSetConsumer, JdbcConnection.BlockingResultSetConsumer, JdbcConnection.CallPreparer, JdbcConnection.ConnectionFactory, JdbcConnection.MultiResultSetConsumer, JdbcConnection.Operations, JdbcConnection.ParameterResultSetConsumer, JdbcConnection.ResultSetConsumer, JdbcConnection.ResultSetExtractor<T extends Object>, JdbcConnection.ResultSetMapper<T extends Object>, JdbcConnection.StatementFactory, JdbcConnection.StatementPreparer

Field Summary

Fields

Modifier and Type	Field	Description
private OracleDatabaseVersion	databaseVersion	The database version.
private static org.slf4j.Logger	LOGGER
private static int	ORACLE_UNSET_SCALE	Returned by column metadata in Oracle if no scale is set;
private static Pattern	SYS_NC_PATTERN	Pattern to identify system generated indices and column names.
private static Field	URL	A field for the raw jdbc url.

Constructor Summary

Constructors

Constructor	Description
OracleConnection(Configuration config, Supplier<ClassLoader> classLoaderSupplier)

Method Summary

Modifier and Type	Method	Description
static String	connectionString(Configuration config)
OracleConnection	executeLegacy(JdbcConnection.Operations operations)
OracleConnection	executeLegacy(String... sqlStatements)
protected Set<TableId>	getAllTableIds(String catalogName)	Retrieves all TableId in a given database catalog, filtering certain ids that should be omitted from the returned set such as special spatial tables and index-organized tables.
OracleDatabaseVersion	getOracleVersion()
private ResultSet	getTableColumnsInfo(String schemaNamePattern, String tableName)
boolean	getTablenameCaseInsensitivity(OracleConnectorConfig connectorConfig)	Resolve the table name case insensitivity used by the schema based on the following rules: If option is provided in connector configuration, it will be used. Otherwise resolved by database version where Oracle 11 will be true; otherwise false.
protected boolean	isTableUniqueIndexIncluded(String indexName, String columnName)
private void	overrideOracleSpecificColumnTypes(Tables tables, TableId tableId, TableId tableIdWithCatalog)
void	readSchema(Tables tables, String databaseCatalog, String schemaNamePattern, Tables.TableFilter tableFilter, Tables.ColumnNameFilter columnFilter, boolean removeTablesNotFoundInJdbc)
void	readSchemaForCapturedTables(Tables tables, String databaseCatalog, String schemaNamePattern, Tables.ColumnNameFilter columnFilter, boolean removeTablesNotFoundInJdbc, Set<TableId> capturedTables)
Set<TableId>	readTableNames(String databaseCatalog, String schemaNamePattern, String tableNamePattern, String[] tableTypes)
List<String>	readTableUniqueIndices(DatabaseMetaData metadata, TableId id)
void	resetSessionToCdb()
private static JdbcConnection.ConnectionFactory	resolveConnectionFactory(Configuration config)
private OracleDatabaseVersion	resolveOracleDatabaseVersion()
void	setSessionToPdb(String pdbName)

Methods inherited from class io.debezium.jdbc.JdbcConnection

call, close, commit, config, connect, connection, connection, connectionString, database, execute, execute, executeWithoutCommitting, getDefaultValue, isConnected, isNullable, parseSqlStatementString, patternBasedFactory, patternBasedFactory, prepareQuery, prepareQuery, prepareQuery, prepareQuery, prepareQueryAndMap, prepareQueryWithBlockingConsumer, prepareUpdate, print, print, query, query, queryAndMap, queryAndMap, querySingleValue, queryWithBlockingConsumer, readAllCatalogNames, readAllSchemaNames, readAllTableNames, readPrimaryKeyNames, readPrimaryKeyOrUniqueIndexNames, readTableColumn, resolveJdbcType, resolveNativeType, rollback, setAutoCommit, singleResultMapper, tableTypes, username

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

private static final org.slf4j.Logger LOGGER

ORACLE_UNSET_SCALE

private static final int ORACLE_UNSET_SCALE

Returned by column metadata in Oracle if no scale is set;

See Also:

Constant Field Values

SYS_NC_PATTERN

private static final Pattern SYS_NC_PATTERN

Pattern to identify system generated indices and column names.

URL

private static final Field URL

A field for the raw jdbc url. This field has no default value.

databaseVersion

private final OracleDatabaseVersion databaseVersion

The database version.

Constructor Detail

OracleConnection

public OracleConnection(Configuration config,
                        Supplier<ClassLoader> classLoaderSupplier)

Method Detail

setSessionToPdb

public void setSessionToPdb(String pdbName)

resetSessionToCdb

public void resetSessionToCdb()

getOracleVersion

public OracleDatabaseVersion getOracleVersion()

resolveOracleDatabaseVersion

private OracleDatabaseVersion resolveOracleDatabaseVersion()

readTableNames

public Set<TableId> readTableNames(String databaseCatalog,
                                   String schemaNamePattern,
                                   String tableNamePattern,
                                   String[] tableTypes)
                            throws SQLException

Overrides:

readTableNames in class JdbcConnection

Throws:

SQLException

getAllTableIds

protected Set<TableId> getAllTableIds(String catalogName)
                               throws SQLException

Retrieves all TableId in a given database catalog, filtering certain ids that should be omitted from the returned set such as special spatial tables and index-organized tables.

Parameters:

catalogName - the catalog/database name

Returns:

set of all table ids for existing table objects

Throws:

SQLException - if a database exception occurred

getTableColumnsInfo

private ResultSet getTableColumnsInfo(String schemaNamePattern,
                                      String tableName)
                               throws SQLException

Throws:

SQLException

readSchemaForCapturedTables

public void readSchemaForCapturedTables(Tables tables,
                                        String databaseCatalog,
                                        String schemaNamePattern,
                                        Tables.ColumnNameFilter columnFilter,
                                        boolean removeTablesNotFoundInJdbc,
                                        Set<TableId> capturedTables)
                                 throws SQLException

Throws:

SQLException

readSchema

public void readSchema(Tables tables,
                       String databaseCatalog,
                       String schemaNamePattern,
                       Tables.TableFilter tableFilter,
                       Tables.ColumnNameFilter columnFilter,
                       boolean removeTablesNotFoundInJdbc)
                throws SQLException

Overrides:

readSchema in class JdbcConnection

Throws:

SQLException

readTableUniqueIndices

public List<String> readTableUniqueIndices(DatabaseMetaData metadata,
                                           TableId id)
                                    throws SQLException

Overrides:

readTableUniqueIndices in class JdbcConnection

Throws:

SQLException

isTableUniqueIndexIncluded

protected boolean isTableUniqueIndexIncluded(String indexName,
                                             String columnName)

Overrides:

isTableUniqueIndexIncluded in class JdbcConnection

overrideOracleSpecificColumnTypes

private void overrideOracleSpecificColumnTypes(Tables tables,
                                               TableId tableId,
                                               TableId tableIdWithCatalog)

getTablenameCaseInsensitivity

public boolean getTablenameCaseInsensitivity(OracleConnectorConfig connectorConfig)

Resolve the table name case insensitivity used by the schema based on the following rules:

• If option is provided in connector configuration, it will be used.
• Otherwise resolved by database version where Oracle 11 will be true; otherwise false.

Parameters:

connectorConfig - the connector configuration

Returns:

whether table name case insensitivity is used

executeLegacy

public OracleConnection executeLegacy(String... sqlStatements)
                               throws SQLException

Throws:

SQLException

executeLegacy

public OracleConnection executeLegacy(JdbcConnection.Operations operations)
                               throws SQLException

Throws:

SQLException

connectionString

public static String connectionString(Configuration config)

resolveConnectionFactory

private static JdbcConnection.ConnectionFactory resolveConnectionFactory(Configuration config)