Package io.debezium.connector.oracle.logminer.parser

Class SelectLobParser

java.lang.Object

io.debezium.connector.oracle.logminer.parser.SelectLobParser

@NotThreadSafe
public class SelectLobParser
extends Object

Simple text-based parser implementation for Oracle LogMiner SEL_LOB_LOCATOR Redo SQL.

Author:

Chris Cranford

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	AND
private static final String	BEGIN
private boolean	binary
private static final String	BLOB_BUFFER
private static final String	BLOB_LOCATOR
private String	columnName
private Object[]	columnValues
private static final String	FOR_UPDATE
private static final String	FROM
private static final String	OR
private String	schemaName
private static final String	SELECT
private String	tableName
private static final String	WHERE

Constructor Summary

Constructors

Constructor	Description
SelectLobParser()

Method Summary

Modifier and Type	Method	Description
String	getColumnName()
boolean	isBinary()
LogMinerDmlEntry	parse(String sql, Table table)	Parse the supplied SEL_LOB_LOCATOR event redo SQL statement.
private int	parseColumnValue(String sql, int index, int columnIndex)
private int	parseOperator(String sql, int index)
private int	parseQuotedValue(String sql, int index, Consumer<String> collector)
private int	parseWhere(String sql, int index, Table table)
private void	reset(Table table)

Methods inherited from class java.lang.Object

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

Field Details

BEGIN

private static final String BEGIN

See Also:

• Constant Field Values

SELECT

private static final String SELECT

See Also:

• Constant Field Values

FROM

private static final String FROM

See Also:

• Constant Field Values

WHERE

private static final String WHERE

See Also:

• Constant Field Values

AND

private static final String AND

See Also:

• Constant Field Values

OR

private static final String OR

See Also:

• Constant Field Values

FOR_UPDATE

private static final String FOR_UPDATE

See Also:

• Constant Field Values

BLOB_LOCATOR

private static final String BLOB_LOCATOR

See Also:

• Constant Field Values

BLOB_BUFFER

private static final String BLOB_BUFFER

See Also:

• Constant Field Values

columnName

private String columnName

schemaName

private String schemaName

tableName

private String tableName

binary

private boolean binary

columnValues

private Object[] columnValues

Constructor Details

SelectLobParser

public SelectLobParser()

Method Details

parse

public LogMinerDmlEntry parse(String sql,
 Table table)

Parse the supplied SEL_LOB_LOCATOR event redo SQL statement.

Parameters:

sql - SQL statement expression to be parsed

table - the relational table

Returns:

instance of LogMinerDmlEntry for the parsed fragment.

getColumnName

public String getColumnName()

Returns:

the column name that the SEL_LOB_LOCATOR event is modifying

isBinary

public boolean isBinary()

Returns:

true if the column being modified is a BLOB; otherwise false indicates a CLOB data type.

parseQuotedValue

private int parseQuotedValue(String sql,
 int index,
 Consumer<String> collector)

parseColumnValue

private int parseColumnValue(String sql,
 int index,
 int columnIndex)

parseWhere

private int parseWhere(String sql,
 int index,
 Table table)

parseOperator

private int parseOperator(String sql,
 int index)

reset

private void reset(Table table)