Class EmbedResultSet

java.lang.Object

org.apache.derby.impl.jdbc.ConnectionChild

org.apache.derby.impl.jdbc.EmbedResultSet

All Implemented Interfaces:

AutoCloseable, Comparable, ResultSet, Wrapper, EngineResultSet

Direct Known Subclasses:

EmbedResultSet42

public class EmbedResultSet
extends ConnectionChild
implements EngineResultSet, Comparable

A EmbedResultSet for results from the EmbedStatement family. Supports JDBC 4.1.

Field Summary

Fields

Modifier and Type	Field	Description
protected static final int	ABSOLUTE
protected static final int	AFTERLAST
private Statement	applicationStmt	Statement object the application used to create this ResultSet.
protected static final int	BEFOREFIRST
private boolean[]	columnGotUpdated
private boolean[]	columnUsedFlags	Indicates which columns have been fetched as a stream or as a LOB for a row.
private final int	concurrencyOfThisResultSet
private ExecRow	currentRow	The currentRow contains the data of the current row of the resultset.
private boolean	currentRowHasBeenUpdated
private Object	currentStream
private int	fetchDirection
private static long	fetchedRowBase	For use in debugging setLargeMaxRows() method added by JDBC 4.2
private int	fetchSize
protected static final int	FIRST
private boolean	forMetaData
private final boolean	isAtomic
(package private) boolean	isClosed	Set if this ResultSet is definitely closed.
private boolean	isOnInsertRow
protected static final int	LAST
private final int	maxFieldSize
private long	maxRows
protected static final int	NEXT
private long	NumberofFetchedRows
(package private) final int	order
private EmbedStatement	owningStmt	The statement that currently owns this ResultSet.
protected static final int	PREVIOUS
protected static final int	RELATIVE
private final ResultDescription	resultDescription
(package private) Activation	singleUseActivation	This activation is set by EmbedStatement for a single execution Activation.
private final EmbedStatement	stmt	The statement object that originally created us.
private ResultSet	theResults
private final long	timeoutMillis
private SQLWarning	topWarning
private final ExecRow	updateRow
protected boolean	wasNull

Fields inherited from class ConnectionChild

factory, localConn

Fields inherited from interface ResultSet

CLOSE_CURSORS_AT_COMMIT, CONCUR_READ_ONLY, CONCUR_UPDATABLE, FETCH_FORWARD, FETCH_REVERSE, FETCH_UNKNOWN, HOLD_CURSORS_OVER_COMMIT, TYPE_FORWARD_ONLY, TYPE_SCROLL_INSENSITIVE, TYPE_SCROLL_SENSITIVE

Constructor Summary

Constructors

Constructor	Description
EmbedResultSet(EmbedConnection conn, ResultSet resultsToWrap, boolean forMetaData, EmbedStatement stmt, boolean isAtomic)	This class provides the glue between the Derby resultset and the JDBC resultset, mapping calls-to-calls.

Method Summary

Modifier and Type	Method	Description
boolean	absolute(int row)	JDBC 2.0
private void	addWarning(SQLWarning w)	Adds a warning to the end of the warning chain.
protected void	adjustScale(int columnIndex, int scale)	Adjust the scale of a type.
void	afterLast()	JDBC 2.0
void	beforeFirst()	JDBC 2.0
void	cancelRowUpdates()	JDBC 2.0 The cancelRowUpdates() method may be called after calling an updateXXX() method(s) and before calling updateRow() to rollback the updates made to a row.
(package private) final void	checkExecIfClosed(String operation)	Throw an exception if this ResultSet is closed or its Connection has been closed.
(package private) final void	checkIfClosed(String operation)	Throw an exception if this ResultSet is closed.
private void	checkLOBMultiCall(int columnIndex)	Checks if a stream or a LOB object has already been created for the specified LOB column.
private void	checkNotOnInsertRow()
protected final void	checkOnRow()
private boolean	checkRowPosition(int position, String positionText)
protected void	checksBeforeInsert()
private void	checksBeforeUpdateAsciiStream(int columnIndex)	Check whether it is OK to update a column using updateAsciiStream().
private void	checksBeforeUpdateBinaryStream(int columnIndex)	Check whether it is OK to update a column using updateBinaryStream().
private void	checksBeforeUpdateCharacterStream(int columnIndex)	Check whether it is OK to update a column using updateCharacterStream().
protected void	checksBeforeUpdateOrDelete(String methodName, int columnIndex)
protected void	checksBeforeUpdateXXX(String methodName, int columnIndex)
private void	checkScrollCursor(String methodName)	Checks if the result set has a scrollable cursor.
private void	checkUpdatableCursor(String operation)
final void	clearWarnings()	After this call getWarnings returns null until a new warning is reported for this ResultSet.
void	close()	In some cases, it is desirable to immediately release a ResultSet's database and JDBC resources instead of waiting for this to happen when it is automatically closed; the close method provides this immediate release.
private final void	closeCurrentStream()	Documented behaviour for streams is that they are implicitly closed on the next get*() method call.
(package private) final SQLException	closeOnTransactionError(Throwable thrownException)
final int	compareTo(Object other)
private final SQLException	dataTypeConversion(int column, String targetType)
private final SQLException	dataTypeConversion(String targetType, int column)
void	deleteRow()	JDBC 2.0 Delete the current row from the result set and the underlying database.
final int	findColumn(String columnName)	Map a Resultset column name to a ResultSet column index.
protected int	findColumnName(String columnName)	Map a Resultset column name to a ResultSet column index.
boolean	first()	JDBC 2.0
final Array	getArray(int i)	JDBC 2.0 Get an array column.
final Array	getArray(String colName)	JDBC 2.0 Get an array column.
final InputStream	getAsciiStream(int columnIndex)	Pushes a converter on top of getCharacterStream().
final InputStream	getAsciiStream(String columnName)	A column value can be retrieved as a stream of ASCII characters and then read in chunks from the stream.
final BigDecimal	getBigDecimal(int columnIndex)
final BigDecimal	getBigDecimal(int columnIndex, int scale)	Deprecated.
final BigDecimal	getBigDecimal(String columnName)	JDBC 2.0 Get the value of a column in the current row as a java.math.BigDecimal object.
final BigDecimal	getBigDecimal(String columnName, int scale)	Deprecated.
final InputStream	getBinaryStream(int columnIndex)	Get the column as an InputStream.
final InputStream	getBinaryStream(String columnName)	A column value can be retrieved as a stream of uninterpreted bytes and then read in chunks from the stream.
Blob	getBlob(int columnIndex)	JDBC 2.0 Get a BLOB column.
final Blob	getBlob(String columnName)	JDBC 2.0 Get a BLOB column.
final boolean	getBoolean(int columnIndex)	Get the value of a column in the current row as a Java boolean.
final boolean	getBoolean(String columnName)	Get the value of a column in the current row as a Java boolean.
final byte	getByte(int columnIndex)	Get the value of a column in the current row as a Java byte.
final byte	getByte(String columnName)	Get the value of a column in the current row as a Java byte.
final byte[]	getBytes(int columnIndex)	Get the value of a column in the current row as a Java byte array.
final byte[]	getBytes(String columnName)	Get the value of a column in the current row as a Java byte array.
final Reader	getCharacterStream(int columnIndex)	JDBC 2.0
final Reader	getCharacterStream(String columnName)	JDBC 2.0
final Clob	getClob(int columnIndex)	JDBC 2.0 Get a CLOB column.
final Clob	getClob(String columnName)	JDBC 2.0 Get a CLOB column.
protected final DataValueDescriptor	getColumn(int columnIndex)	Get the column value for a getXXX() call.
(package private) final String	getColumnSQLType(int column)
(package private) final int	getColumnType(int columnIndex)	Check the column is in range *and* return the JDBC type of the column.
int	getConcurrency()	JDBC 2.0 Return the concurrency of this result set.
final String	getCursorName()	Get the name of the SQL cursor used by this ResultSet.
final Date	getDate(int columnIndex)	Get the value of a column in the current row as a java.sql.Date object.
Date	getDate(int columnIndex, Calendar cal)	JDBC 2.0 Get the value of a column in the current row as a java.sql.Date object.
final Date	getDate(String columnName)	Get the value of a column in the current row as a java.sql.Date object.
Date	getDate(String columnName, Calendar cal)	JDBC 2.0 Get the value of a column in the current row as a java.sql.Date object.
final double	getDouble(int columnIndex)	Get the value of a column in the current row as a Java double.
final double	getDouble(String columnName)	Get the value of a column in the current row as a Java double.
protected DataValueDescriptor	getDVDforColumnToBeUpdated(int columnIndex, String updateMethodName)
int	getFetchDirection()	JDBC 2.0 Return the fetch direction for this result set.
int	getFetchSize()	JDBC 2.0 Return the fetch size for this result set.
final float	getFloat(int columnIndex)	Get the value of a column in the current row as a Java float.
final float	getFloat(String columnName)	Get the value of a column in the current row as a Java float.
private String	getFullBaseTableName(ExecCursorTableReference targetTable)
final int	getHoldability()	JDBC 4.0
final int	getInt(int columnIndex)	Get the value of a column in the current row as a Java int.
final int	getInt(String columnName)	Get the value of a column in the current row as a Java int.
int	getLength(int columnIndex)	Return the length of the designated columnIndex data value.
final long	getLong(int columnIndex)	Get the value of a column in the current row as a Java long.
final long	getLong(String columnName)	Get the value of a column in the current row as a Java long.
private final int	getMaxColumnWidth(int columnIndex)	Return the user-defined maximum size of the column.
final ResultSetMetaData	getMetaData()	The number, types and properties of a ResultSet's columns are provided by the getMetaData method.
Reader	getNCharacterStream(int columnIndex)
Reader	getNCharacterStream(String columnName)
NClob	getNClob(int i)
NClob	getNClob(String colName)
String	getNString(int columnIndex)
String	getNString(String columnName)
final Object	getObject(int columnIndex)	Get the value of a column in the current row as a Java object.
<T> T	getObject(int columnIndex, Class<T> type)	Retrieve the column as an object of the desired type.
Object	getObject(int columnIndex, Map<String,Class<?>> map)	JDBC 2.0 Returns the value of column i as a Java object.
final Object	getObject(String columnName)	Get the value of a column in the current row as a Java object.
<T> T	getObject(String columnName, Class<T> type)
Object	getObject(String colName, Map<String,Class<?>> map)	JDBC 2.0 Returns the value of column i as a Java object.
protected ParameterValueSet	getParameterValueSet()	Try to see if we can fish the pvs out of the local statement.
final Ref	getRef(int i)	JDBC 2.0 Get a REF(<structured-type>) column.
final Ref	getRef(String colName)	JDBC 2.0 Get a REF(<structured-type>) column.
int	getRow()	JDBC 2.0
RowId	getRowId(int columnIndex)
RowId	getRowId(String columnName)
final short	getShort(int columnIndex)	Get the value of a column in the current row as a Java short.
final short	getShort(String columnName)	Get the value of a column in the current row as a Java short.
protected String	getSQLText()	Try to see if we can fish the SQL Statement out of the local statement.
SQLXML	getSQLXML(int columnIndex)
SQLXML	getSQLXML(String colName)
final Statement	getStatement()	JDBC 2.0 Return the Statement that produced the ResultSet.
final String	getString(int columnIndex)	Get the value of a column in the current row as a Java String.
final String	getString(String columnName)	Get the value of a column in the current row as a Java String.
final Time	getTime(int columnIndex)	Get the value of a column in the current row as a java.sql.Time object.
Time	getTime(int columnIndex, Calendar cal)	JDBC 2.0 Get the value of a column in the current row as a java.sql.Time object.
final Time	getTime(String columnName)	Get the value of a column in the current row as a java.sql.Time object.
Time	getTime(String columnName, Calendar cal)	JDBC 2.0 Get the value of a column in the current row as a java.sql.Time object.
final Timestamp	getTimestamp(int columnIndex)	Get the value of a column in the current row as a java.sql.Timestamp object.
Timestamp	getTimestamp(int columnIndex, Calendar cal)	JDBC 2.0 Get the value of a column in the current row as a java.sql.Timestamp object.
final Timestamp	getTimestamp(String columnName)	Get the value of a column in the current row as a java.sql.Timestamp object.
Timestamp	getTimestamp(String columnName, Calendar cal)	JDBC 2.0 Get the value of a column in the current row as a java.sql.Timestamp object.
int	getType()	JDBC 2.0 Return the type of this result set.
final InputStream	getUnicodeStream(int columnIndex)	Deprecated.
final InputStream	getUnicodeStream(String columnName)	Deprecated.
URL	getURL(int columnIndex)	JDBC 3.0 Retrieves the value of the designated column in the current row of this ResultSet object as a java.net.URL object in the Java programming language.
URL	getURL(String columnName)	JDBC 3.0 Retrieves the value of the designated column in the current row of this ResultSet object as a java.net.URL object in the Java programming language.
final SQLWarning	getWarnings()	The first warning reported by calls on this ResultSet is returned.
private void	initializeUpdateRowModifiers()	Initializes the currentRowHasBeenUpdated and columnGotUpdated fields
void	insertRow()	JDBC 2.0 Insert the contents of the insert row into the result set and the database.
boolean	isAfterLast()	JDBC 2.0
boolean	isBeforeFirst()	JDBC 2.0
final boolean	isClosed()	JDBC 4.0
boolean	isFirst()	JDBC 2.0
final boolean	isForUpdate()	* Is this result set from a select for update statement?
boolean	isLast()	JDBC 2.0
private static boolean	isMaxFieldSizeType(int colType)
boolean	isNull(int columnIndex)	Is the designated columnIndex a null data value?
boolean	isWrapperFor(Class<?> interfaces)	Returns false unless interfaces is implemented
boolean	last()	JDBC 2.0
private void	markClosed()	Mark this ResultSet as closed and trigger the closing of the Statement if necessary.
private SQLException	mismatchException(String targetTypeName, int columnIndex)
protected boolean	movePosition(int position, int row, String positionText)
protected boolean	movePosition(int position, String positionText)
void	moveToCurrentRow()	JDBC 2.0 Move the cursor to the remembered cursor position, usually the current row.
void	moveToInsertRow()	JDBC 2.0 Move to the insert row.
boolean	next()	A ResultSet is initially positioned before its first row; the first call to next makes the first row the current row; the second call makes the second row the current row, etc.
(package private) static final SQLException	noStateChangeException(Throwable thrownException)	An exception on many method calls to JDBC objects does not change the state of the transaction or statement, or even the underlying object.
boolean	previous()	JDBC 2.0
void	refreshRow()	JDBC 2.0 Refresh the value of the current row with its current value in the database.
boolean	relative(int row)	JDBC 2.0
boolean	rowDeleted()	JDBC 2.0 Determine if this row has been deleted.
boolean	rowInserted()	JDBC 2.0 Determine if the current row has been inserted.
boolean	rowUpdated()	JDBC 2.0 Determine if the current row has been updated.
final void	setApplicationStatement(Statement applicationStmt)	Set the application Statement object that created this ResultSet.
(package private) void	setDynamicResultSet(EmbedStatement owningStmt)	A dynamic result was created in a procedure by a nested connection.
void	setFetchDirection(int direction)	JDBC 2.0 Give a hint as to the direction in which the rows in this result set will be processed.
static void	setFetchedRowBase(long newBase)	Debug method used to test the setLargeMaxRows() method added by JDBC 4.2.
void	setFetchSize(int rows)	JDBC 2.0 Give the JDBC driver a hint as to the number of rows that should be fetched from the database when more rows are needed for this result set.
<T> T	unwrap(Class<T> interfaces)	Returns this if this class implements the interface
void	updateArray(int columnIndex, Array x)	JDBC 3.0 Updates the designated column with a java.sql.Array value.
void	updateArray(String columnName, Array x)	JDBC 3.0 Updates the designated column with a java.sql.Array value.
void	updateAsciiStream(int columnIndex, InputStream x)	Updates the designated column with a character stream value.
void	updateAsciiStream(int columnIndex, InputStream x, int length)	JDBC 2.0 Update a column with an ascii stream value.
void	updateAsciiStream(int columnIndex, InputStream x, long length)	Update a column with an ascii stream value.
void	updateAsciiStream(String columnName, InputStream x)	Updates the designated column with a character stream value.
void	updateAsciiStream(String columnName, InputStream x, int length)	JDBC 2.0 Update a column with an ascii stream value.
void	updateAsciiStream(String columnName, InputStream x, long length)	JDBC 4.0 Update a column with an ascii stream value.
void	updateBigDecimal(int columnIndex, BigDecimal x)
void	updateBigDecimal(String columnName, BigDecimal x)	JDBC 2.0 Update a column with a BigDecimal value.
void	updateBinaryStream(int columnIndex, InputStream x)	Updates the designated column with a binary stream value.
void	updateBinaryStream(int columnIndex, InputStream x, int length)	JDBC 2.0 Update a column with a binary stream value.
void	updateBinaryStream(int columnIndex, InputStream x, long length)	Update a column with a binary stream value.
void	updateBinaryStream(String columnName, InputStream x)	Updates the designated column with a binary stream value.
void	updateBinaryStream(String columnName, InputStream x, int length)	JDBC 2.0 Update a column with a binary stream value.
void	updateBinaryStream(String columnName, InputStream x, long length)	JDBC 4.0 Update a column with a binary stream value.
private void	updateBinaryStreamInternal(int columnIndex, InputStream x, boolean lengthLess, long length, String updateMethodName)	Set the given binary stream for the specified parameter.
void	updateBlob(int columnIndex, InputStream x)	Updates the designated column using the given input stream.
void	updateBlob(int columnIndex, InputStream x, long length)	JDBC 4.0 Updates the designated column with a java.sql.Blob value.
void	updateBlob(int columnIndex, Blob x)	JDBC 3.0 Updates the designated column with a java.sql.Blob value.
void	updateBlob(String columnName, InputStream x)	Updates the designated column using the given input stream.
void	updateBlob(String columnName, InputStream x, long length)	JDBC 4.0 Updates the designated column with a java.sql.Blob value.
void	updateBlob(String columnName, Blob x)	JDBC 3.0 Updates the designated column with a java.sql.Blob value.
void	updateBoolean(int columnIndex, boolean x)	JDBC 2.0 Update a column with a boolean value.
void	updateBoolean(String columnName, boolean x)	JDBC 2.0 Update a column with a boolean value.
void	updateByte(int columnIndex, byte x)	JDBC 2.0 Update a column with a byte value.
void	updateByte(String columnName, byte x)	JDBC 2.0 Update a column with a byte value.
void	updateBytes(int columnIndex, byte[] x)	JDBC 2.0 Update a column with a byte array value.
void	updateBytes(String columnName, byte[] x)	JDBC 2.0 Update a column with a byte array value.
void	updateCharacterStream(int columnIndex, Reader x)	Updates the designated column with a character stream value.
void	updateCharacterStream(int columnIndex, Reader x, int length)	JDBC 2.0 Update a column with a character stream value.
void	updateCharacterStream(int columnIndex, Reader x, long length)	JDBC 4.0 Update a column with a character stream value.
void	updateCharacterStream(String columnName, Reader reader)	Updates the designated column with a character stream value.
void	updateCharacterStream(String columnName, Reader reader, int length)	JDBC 2.0 Update a column with a character stream value.
void	updateCharacterStream(String columnName, Reader reader, long length)	JDBC 4.0 Update a column with a character stream value.
private void	updateCharacterStreamInternal(int columnIndex, Reader reader, boolean lengthLess, long length, String updateMethodName)	Set the given character stream for the specified parameter.
void	updateClob(int columnIndex, Reader x)	Updates the designated column using the given Reader object.
void	updateClob(int columnIndex, Reader x, long length)	JDBC 4.0 Updates the designated column with a java.sql.Clob value.
void	updateClob(int columnIndex, Clob x)	JDBC 3.0 Updates the designated column with a java.sql.Clob value.
void	updateClob(String columnName, Reader x)	Updates the designated column using the given Reader object.
void	updateClob(String columnName, Reader x, long length)	JDBC 4.0 Updates the designated column with a java.sql.Clob value.
void	updateClob(String columnName, Clob x)	JDBC 3.0 Updates the designated column with a java.sql.Clob value.
void	updateDate(int columnIndex, Date x)	JDBC 2.0 Update a column with a Date value.
void	updateDate(String columnName, Date x)	JDBC 2.0 Update a column with a Date value.
void	updateDouble(int columnIndex, double x)	JDBC 2.0 Update a column with a Double value.
void	updateDouble(String columnName, double x)	JDBC 2.0 Update a column with a double value.
void	updateFloat(int columnIndex, float x)	JDBC 2.0 Update a column with a float value.
void	updateFloat(String columnName, float x)	JDBC 2.0 Update a column with a float value.
void	updateInt(int columnIndex, int x)	JDBC 2.0 Update a column with an integer value.
void	updateInt(String columnName, int x)	JDBC 2.0 Update a column with an integer value.
void	updateLong(int columnIndex, long x)	JDBC 2.0 Update a column with a long value.
void	updateLong(String columnName, long x)	JDBC 2.0 Update a column with a long value.
void	updateNCharacterStream(int columnIndex, Reader x)
void	updateNCharacterStream(int columnIndex, Reader x, long length)
void	updateNCharacterStream(String columnName, Reader x)
void	updateNCharacterStream(String columnName, Reader x, long length)
void	updateNClob(int columnIndex, Reader reader)
void	updateNClob(int columnIndex, Reader x, long length)	Updates the designated column using the given Reader object, which is the given number of characters long.
void	updateNClob(int columnIndex, NClob nClob)
void	updateNClob(String columnName, Reader reader)
void	updateNClob(String columnName, Reader x, long length)	Updates the designated column using the given Reader object, which is the given number of characters long.
void	updateNClob(String columnName, NClob nClob)
void	updateNString(int columnIndex, String nString)
void	updateNString(String columnName, String nString)
void	updateNull(int columnIndex)	JDBC 2.0 Give a nullable column a null value.
void	updateNull(String columnName)	JDBC 2.0 Update a column with a null value.
void	updateObject(int columnIndex, Object x)	JDBC 2.0 Update a column with an Object value.
void	updateObject(int columnIndex, Object x, int scale)	JDBC 2.0 Update a column with an Object value.
void	updateObject(String columnName, Object x)	JDBC 2.0 Update a column with an Object value.
void	updateObject(String columnName, Object x, int scale)	JDBC 2.0 Update a column with an Object value.
void	updateRef(int columnIndex, Ref x)	JDBC 3.0 Updates the designated column with a java.sql.Ref value.
void	updateRef(String columnName, Ref x)	JDBC 3.0 Updates the designated column with a java.sql.Ref value.
void	updateRow()	JDBC 2.0 Update the underlying database with the new contents of the current row.
void	updateRowId(int columnIndex, RowId x)
void	updateRowId(String columnName, RowId x)
void	updateShort(int columnIndex, short x)	JDBC 2.0 Update a column with a short value.
void	updateShort(String columnName, short x)	JDBC 2.0 Update a column with a short value.
void	updateSQLXML(int columnIndex, SQLXML xmlObject)
void	updateSQLXML(String columnName, SQLXML xmlObject)
void	updateString(int columnIndex, String x)	JDBC 2.0 Update a column with a String value.
void	updateString(String columnName, String x)	JDBC 2.0 Update a column with a String value.
void	updateTime(int columnIndex, Time x)	JDBC 2.0 Update a column with a Time value.
void	updateTime(String columnName, Time x)	JDBC 2.0 Update a column with a Time value.
void	updateTimestamp(int columnIndex, Timestamp x)	JDBC 2.0 Update a column with a Timestamp value.
void	updateTimestamp(String columnName, Timestamp x)	JDBC 2.0 Update a column with a Timestamp value.
(package private) final void	useStreamOrLOB(int columnIndex)	Mark a column as already having a stream or LOB accessed from it.
final boolean	wasNull()	A column may have the value of SQL NULL; wasNull reports whether the last column read had this special value.

Methods inherited from class ConnectionChild

commitIfAutoCommit, commitIfNeeded, getCal, getConnectionSynchronization, getEmbedConnection, getLanguageConnectionContext, getLCC, handleException, needCommit, newSQLException, restoreContextStack, restoreIntrFlagIfSeen, setupContextStack

Methods inherited from class Object

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

Methods inherited from interface ResultSet

updateObject, updateObject, updateObject, updateObject

Field Details

fetchedRowBase

private static long fetchedRowBase

For use in debugging setLargeMaxRows() method added by JDBC 4.2

FIRST

protected static final int FIRST

See Also:

• Constant Field Values

NEXT

protected static final int NEXT

See Also:

• Constant Field Values

LAST

protected static final int LAST

See Also:

• Constant Field Values

PREVIOUS

protected static final int PREVIOUS

See Also:

• Constant Field Values

BEFOREFIRST

protected static final int BEFOREFIRST

See Also:

• Constant Field Values

AFTERLAST

protected static final int AFTERLAST

See Also:

• Constant Field Values

ABSOLUTE

protected static final int ABSOLUTE

See Also:

• Constant Field Values

RELATIVE

protected static final int RELATIVE

See Also:

• Constant Field Values

currentRow

private ExecRow currentRow

The currentRow contains the data of the current row of the resultset. If currentRow is null, the cursor is not postioned on a row

wasNull

protected boolean wasNull

isClosed

boolean isClosed

Set if this ResultSet is definitely closed. If the connection has been closed, or the database or system shutdown but the ResultSet has not been closed explictly then this may be false. Once this object detects the connection is closed isClosed will be set to true.

isOnInsertRow

private boolean isOnInsertRow

currentStream

private Object currentStream

theResults

private ResultSet theResults

forMetaData

private boolean forMetaData

topWarning

private SQLWarning topWarning

singleUseActivation

Activation singleUseActivation

This activation is set by EmbedStatement for a single execution Activation. Ie. a ResultSet from a Statement.executeQuery() or a ResultSet that is now a dynamic result set. In this case the closing of this ResultSet will close the activation or the finalization of the parent EmbedStatement without it being closed will mark the Activation as unused.

See Also:

• EmbedStatement.finalize()
• EmbedPreparedStatement.finalize()

order

final int order

resultDescription

private final ResultDescription resultDescription

maxRows

private long maxRows

maxFieldSize

private final int maxFieldSize

NumberofFetchedRows

private long NumberofFetchedRows

stmt

private final EmbedStatement stmt

The statement object that originally created us. we hang on to the statement to prevent GC from closing it under us

owningStmt

private EmbedStatement owningStmt

The statement that currently owns this ResultSet. Statements created in procedures are passed off to the Statement that called the procedure. This is to avoid the ResultSet being closed due to the Statement within the procedure or the nested Connection being closed.

applicationStmt

private Statement applicationStmt

Statement object the application used to create this ResultSet.

timeoutMillis

private final long timeoutMillis

isAtomic

private final boolean isAtomic

concurrencyOfThisResultSet

private final int concurrencyOfThisResultSet

updateRow

private final ExecRow updateRow

columnGotUpdated

private boolean[] columnGotUpdated

currentRowHasBeenUpdated

private boolean currentRowHasBeenUpdated

fetchDirection

private int fetchDirection

fetchSize

private int fetchSize

columnUsedFlags

private boolean[] columnUsedFlags

Indicates which columns have been fetched as a stream or as a LOB for a row. Created on-demand by a getXXXStream or a get[BC]lob call. Note that we only track columns that can be accessed as a stream or a LOB object.

Constructor Details

EmbedResultSet

public EmbedResultSet(EmbedConnection conn,
 ResultSet resultsToWrap,
 boolean forMetaData,
 EmbedStatement stmt,
 boolean isAtomic)
               throws SQLException

This class provides the glue between the Derby resultset and the JDBC resultset, mapping calls-to-calls.

Throws:

SQLException

Method Details

setFetchedRowBase

public static void setFetchedRowBase(long newBase)

Debug method used to test the setLargeMaxRows() method added by JDBC 4.2. This method is a NOP on a production (insane) build of Derby.

checkNotOnInsertRow

private void checkNotOnInsertRow()
                          throws SQLException

Throws:

SQLException

checkOnRow

protected final void checkOnRow()
                         throws SQLException

Throws:

SQLException

initializeUpdateRowModifiers

private void initializeUpdateRowModifiers()

Initializes the currentRowHasBeenUpdated and columnGotUpdated fields

getColumnType

final int getColumnType(int columnIndex)
                 throws SQLException

Check the column is in range *and* return the JDBC type of the column.

Throws:

SQLException - ResultSet is not on a row or columnIndex is out of range.

next

public boolean next()
             throws SQLException

A ResultSet is initially positioned before its first row; the first call to next makes the first row the current row; the second call makes the second row the current row, etc.

If an input stream from the previous row is open, it is implicitly closed. The ResultSet's warning chain is cleared when a new row is read.

Specified by:

next in interface ResultSet

Returns:

true if the new current row is valid; false if there are no more rows

Throws:

SQLException - thrown on failure.

movePosition

protected boolean movePosition(int position,
 String positionText)
                        throws SQLException

Throws:

SQLException

movePosition

protected boolean movePosition(int position,
 int row,
 String positionText)
                        throws SQLException

Throws:

SQLException

close

public void close()
           throws SQLException

In some cases, it is desirable to immediately release a ResultSet's database and JDBC resources instead of waiting for this to happen when it is automatically closed; the close method provides this immediate release.

Note: A ResultSet is automatically closed by the Statement that generated it when that Statement is closed, re-executed, or is used to retrieve the next result from a sequence of multiple results. A ResultSet is also automatically closed when it is garbage collected.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface ResultSet

Throws:

SQLException - thrown on failure.

markClosed

private void markClosed()

Mark this ResultSet as closed and trigger the closing of the Statement if necessary.

wasNull

public final boolean wasNull()
                      throws SQLException

A column may have the value of SQL NULL; wasNull reports whether the last column read had this special value. Note that you must first call getXXX on a column to try to read its value and then call wasNull() to find if the value was the SQL NULL.

we take the least exception approach and simply return false if no column has been read yet.

Specified by:

wasNull in interface ResultSet

Returns:

true if last column read was SQL NULL

Throws:

SQLException - Thrown if this ResultSet is closed

getString

public final String getString(int columnIndex)
                       throws SQLException

Get the value of a column in the current row as a Java String.

Specified by:

getString in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - thrown on failure.

getBoolean

public final boolean getBoolean(int columnIndex)
                         throws SQLException

Get the value of a column in the current row as a Java boolean.

Specified by:

getBoolean in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

the column value; if the value is SQL NULL, the result is false

Throws:

SQLException - thrown on failure.

getByte

public final byte getByte(int columnIndex)
                   throws SQLException

Get the value of a column in the current row as a Java byte.

Specified by:

getByte in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

the column value; if the value is SQL NULL, the result is 0

Throws:

SQLException - thrown on failure.

getShort

public final short getShort(int columnIndex)
                     throws SQLException

Get the value of a column in the current row as a Java short.

Specified by:

getShort in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

the column value; if the value is SQL NULL, the result is 0

Throws:

SQLException - thrown on failure.

getInt

public final int getInt(int columnIndex)
                 throws SQLException

Get the value of a column in the current row as a Java int.

Specified by:

getInt in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

the column value; if the value is SQL NULL, the result is 0

Throws:

SQLException - thrown on failure.

getLong

public final long getLong(int columnIndex)
                   throws SQLException

Get the value of a column in the current row as a Java long.

Specified by:

getLong in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

the column value; if the value is SQL NULL, the result is 0

Throws:

SQLException - thrown on failure.

getFloat

public final float getFloat(int columnIndex)
                     throws SQLException

Get the value of a column in the current row as a Java float.

Specified by:

getFloat in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

the column value; if the value is SQL NULL, the result is 0

Throws:

SQLException - thrown on failure.

getDouble

public final double getDouble(int columnIndex)
                       throws SQLException

Get the value of a column in the current row as a Java double.

Specified by:

getDouble in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

the column value; if the value is SQL NULL, the result is 0

Throws:

SQLException - thrown on failure.

getBytes

public final byte[] getBytes(int columnIndex)
                      throws SQLException

Get the value of a column in the current row as a Java byte array. The bytes represent the raw values returned by the driver.

Specified by:

getBytes in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - thrown on failure.

getDate

public final Date getDate(int columnIndex)
                   throws SQLException

Get the value of a column in the current row as a java.sql.Date object.

Specified by:

getDate in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - thrown on failure.

getTime

public final Time getTime(int columnIndex)
                   throws SQLException

Get the value of a column in the current row as a java.sql.Time object.

Specified by:

getTime in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - thrown on failure.

getTimestamp

public final Timestamp getTimestamp(int columnIndex)
                             throws SQLException

Get the value of a column in the current row as a java.sql.Timestamp object.

Specified by:

getTimestamp in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - thrown on failure.

getDate

public Date getDate(int columnIndex,
 Calendar cal)
             throws SQLException

JDBC 2.0 Get the value of a column in the current row as a java.sql.Date object. Use the calendar to construct an appropriate millisecond value for the Date, if the underlying database doesn't store timezone information.

Specified by:

getDate in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

cal - the calendar to use in constructing the date

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - if a database-access error occurs.

getDate

public Date getDate(String columnName,
 Calendar cal)
             throws SQLException

JDBC 2.0 Get the value of a column in the current row as a java.sql.Date object. Use the calendar to construct an appropriate millisecond value for the Date, if the underlying database doesn't store timezone information.

Specified by:

getDate in interface ResultSet

Parameters:

columnName - is the SQL name of the column

cal - the calendar to use in constructing the date

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - if a database-access error occurs.

getTime

public Time getTime(int columnIndex,
 Calendar cal)
             throws SQLException

JDBC 2.0 Get the value of a column in the current row as a java.sql.Time object. Use the calendar to construct an appropriate millisecond value for the Time, if the underlying database doesn't store timezone information.

Specified by:

getTime in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

cal - the calendar to use in constructing the time

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - if a database-access error occurs.

getTime

public Time getTime(String columnName,
 Calendar cal)
             throws SQLException

JDBC 2.0 Get the value of a column in the current row as a java.sql.Time object. Use the calendar to construct an appropriate millisecond value for the Time, if the underlying database doesn't store timezone information.

Specified by:

getTime in interface ResultSet

Parameters:

columnName - is the SQL name of the column

cal - the calendar to use in constructing the time

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - if a database-access error occurs.

getTimestamp

public Timestamp getTimestamp(String columnName,
 Calendar cal)
                       throws SQLException

JDBC 2.0 Get the value of a column in the current row as a java.sql.Timestamp object. Use the calendar to construct an appropriate millisecond value for the Timestamp, if the underlying database doesn't store timezone information.

Specified by:

getTimestamp in interface ResultSet

Parameters:

columnName - is the SQL name of the column

cal - the calendar to use in constructing the timestamp

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - if a database-access error occurs.

getTimestamp

public Timestamp getTimestamp(int columnIndex,
 Calendar cal)
                       throws SQLException

JDBC 2.0 Get the value of a column in the current row as a java.sql.Timestamp object. Use the calendar to construct an appropriate millisecond value for the Timestamp, if the underlying database doesn't store timezone information.

Specified by:

getTimestamp in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

cal - the calendar to use in constructing the timestamp

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - if a database-access error occurs.

getCharacterStream

public final Reader getCharacterStream(int columnIndex)
                                throws SQLException

JDBC 2.0

Get the value of a column in the current row as a java.io.Reader.

Specified by:

getCharacterStream in interface ResultSet

Throws:

SQLException - database error.

getAsciiStream

public final InputStream getAsciiStream(int columnIndex)
                                 throws SQLException

Pushes a converter on top of getCharacterStream().

Specified by:

getAsciiStream in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

a Java input stream that delivers the database column value as a stream of one byte ASCII characters. If the value is SQL NULL then the result is null.

Throws:

SQLException - thrown on failure.

getBinaryStream

public final InputStream getBinaryStream(int columnIndex)
                                  throws SQLException

Get the column as an InputStream. If the column is already of type InputStream then just return it, otherwise convert the column to a set of bytes and create a stream out of the bytes.

Specified by:

getBinaryStream in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

a Java input stream that delivers the database column value as a stream of uninterpreted bytes. If the value is SQL NULL then the result is null.

Throws:

SQLException - thrown on failure.

getString

public final String getString(String columnName)
                       throws SQLException

Get the value of a column in the current row as a Java String.

Specified by:

getString in interface ResultSet

Parameters:

columnName - is the SQL name of the column

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - thrown on failure.

getBoolean

public final boolean getBoolean(String columnName)
                         throws SQLException

Get the value of a column in the current row as a Java boolean.

Specified by:

getBoolean in interface ResultSet

Parameters:

columnName - is the SQL name of the column

Returns:

the column value; if the value is SQL NULL, the result is false

Throws:

SQLException - thrown on failure.

getByte

public final byte getByte(String columnName)
                   throws SQLException

Get the value of a column in the current row as a Java byte.

Specified by:

getByte in interface ResultSet

Parameters:

columnName - is the SQL name of the column

Returns:

the column value; if the value is SQL NULL, the result is 0

Throws:

SQLException - thrown on failure.

getShort

public final short getShort(String columnName)
                     throws SQLException

Get the value of a column in the current row as a Java short.

Specified by:

getShort in interface ResultSet

Parameters:

columnName - is the SQL name of the column

Returns:

the column value; if the value is SQL NULL, the result is 0

Throws:

SQLException - thrown on failure.

getInt

public final int getInt(String columnName)
                 throws SQLException

Get the value of a column in the current row as a Java int.

Specified by:

getInt in interface ResultSet

Parameters:

columnName - is the SQL name of the column

Returns:

the column value; if the value is SQL NULL, the result is 0

Throws:

SQLException - thrown on failure.

getLong

public final long getLong(String columnName)
                   throws SQLException

Get the value of a column in the current row as a Java long.

Specified by:

getLong in interface ResultSet

Parameters:

columnName - is the SQL name of the column

Returns:

the column value; if the value is SQL NULL, the result is 0

Throws:

SQLException - thrown on failure.

getFloat

public final float getFloat(String columnName)
                     throws SQLException

Get the value of a column in the current row as a Java float.

Specified by:

getFloat in interface ResultSet

Parameters:

columnName - is the SQL name of the column

Returns:

the column value; if the value is SQL NULL, the result is 0

Throws:

SQLException - thrown on failure.

getDouble

public final double getDouble(String columnName)
                       throws SQLException

Get the value of a column in the current row as a Java double.

Specified by:

getDouble in interface ResultSet

Parameters:

columnName - is the SQL name of the column

Returns:

the column value; if the value is SQL NULL, the result is 0

Throws:

SQLException - thrown on failure.

getBigDecimal

@Deprecated
public final BigDecimal getBigDecimal(int columnIndex,
 int scale)
                               throws SQLException

Deprecated.

Get the value of a column in the current row as a java.lang.BigDecimal object.

Specified by:

getBigDecimal in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

scale - the number of digits to the right of the decimal

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - thrown on failure.

getBigDecimal

public final BigDecimal getBigDecimal(int columnIndex)
                               throws SQLException

Specified by:

getBigDecimal in interface ResultSet

Throws:

SQLException

getBigDecimal

@Deprecated
public final BigDecimal getBigDecimal(String columnName,
 int scale)
                               throws SQLException

Deprecated.

Get the value of a column in the current row as a java.lang.BigDecimal object.

Specified by:

getBigDecimal in interface ResultSet

Parameters:

columnName - is the SQL name of the column

scale - the number of digits to the right of the decimal

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - thrown on failure.

getBigDecimal

public final BigDecimal getBigDecimal(String columnName)
                               throws SQLException

JDBC 2.0 Get the value of a column in the current row as a java.math.BigDecimal object.

Specified by:

getBigDecimal in interface ResultSet

Throws:

SQLException

getBytes

public final byte[] getBytes(String columnName)
                      throws SQLException

Get the value of a column in the current row as a Java byte array. The bytes represent the raw values returned by the driver.

Specified by:

getBytes in interface ResultSet

Parameters:

columnName - is the SQL name of the column

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - thrown on failure.

getDate

public final Date getDate(String columnName)
                   throws SQLException

Get the value of a column in the current row as a java.sql.Date object.

Specified by:

getDate in interface ResultSet

Parameters:

columnName - is the SQL name of the column

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - thrown on failure.

getTime

public final Time getTime(String columnName)
                   throws SQLException

Get the value of a column in the current row as a java.sql.Time object.

Specified by:

getTime in interface ResultSet

Parameters:

columnName - is the SQL name of the column

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - thrown on failure.

getTimestamp

public final Timestamp getTimestamp(String columnName)
                             throws SQLException

Get the value of a column in the current row as a java.sql.Timestamp object.

Specified by:

getTimestamp in interface ResultSet

Parameters:

columnName - is the SQL name of the column

Returns:

the column value; if the value is SQL NULL, the result is null

Throws:

SQLException - thrown on failure.

getCharacterStream

public final Reader getCharacterStream(String columnName)
                                throws SQLException

JDBC 2.0

Get the value of a column in the current row as a java.io.Reader.

Specified by:

getCharacterStream in interface ResultSet

Throws:

SQLException - Feature not implemented for now.

getAsciiStream

public final InputStream getAsciiStream(String columnName)
                                 throws SQLException

A column value can be retrieved as a stream of ASCII characters and then read in chunks from the stream. This method is particularly suitable for retrieving large LONGVARCHAR values. The JDBC driver will do any necessary conversion from the database format into ASCII.

Note: All the data in the returned stream must be read prior to getting the value of any other column. The next call to a get method implicitly closes the stream.

Specified by:

getAsciiStream in interface ResultSet

Parameters:

columnName - is the SQL name of the column

Returns:

a Java input stream that delivers the database column value as a stream of one byte ASCII characters. If the value is SQL NULL then the result is null.

Throws:

SQLException - thrown on failure.

getBinaryStream

public final InputStream getBinaryStream(String columnName)
                                  throws SQLException

A column value can be retrieved as a stream of uninterpreted bytes and then read in chunks from the stream. This method is particularly suitable for retrieving large LONGVARBINARY values.

Note: All the data in the returned stream must be read prior to getting the value of any other column. The next call to a get method implicitly closes the stream.

Specified by:

getBinaryStream in interface ResultSet

Parameters:

columnName - is the SQL name of the column

Returns:

a Java input stream that delivers the database column value as a stream of uninterpreted bytes. If the value is SQL NULL then the result is null.

Throws:

SQLException - thrown on failure.

getUnicodeStream

@Deprecated
public final InputStream getUnicodeStream(int columnIndex)
                                   throws SQLException

Deprecated.

JDBC 2.0 Deprecated in JDBC 2.0, not supported by JCC.

Specified by:

getUnicodeStream in interface ResultSet

Throws:

SQLException - thrown on failure.

getUnicodeStream

@Deprecated
public final InputStream getUnicodeStream(String columnName)
                                   throws SQLException

Deprecated.

Deprecated in JDBC 2.0, not supported by JCC.

Specified by:

getUnicodeStream in interface ResultSet

Throws:

SQLException - thrown on failure.

getURL

public URL getURL(int columnIndex)
           throws SQLException

JDBC 3.0 Retrieves the value of the designated column in the current row of this ResultSet object as a java.net.URL object in the Java programming language.

Specified by:

getURL in interface ResultSet

Parameters:

columnIndex - - the first column is 1, the second is 2

Returns:

the column value as a java.net.URL object, if the value is SQL NULL, the value returned is null in the Java programming language

Throws:

SQLException - Feature not implemented for now.

getURL

public URL getURL(String columnName)
           throws SQLException

JDBC 3.0 Retrieves the value of the designated column in the current row of this ResultSet object as a java.net.URL object in the Java programming language.

Specified by:

getURL in interface ResultSet

Parameters:

columnName - - the SQL name of the column

Returns:

the column value as a java.net.URL object, if the value is SQL NULL, the value returned is null in the Java programming language

Throws:

SQLException - Feature not implemented for now.

getWarnings

public final SQLWarning getWarnings()
                             throws SQLException

The first warning reported by calls on this ResultSet is returned. Subsequent ResultSet warnings will be chained to this SQLWarning.

The warning chain is automatically cleared each time a new row is read.

Note: This warning chain only covers warnings caused by ResultSet methods. Any warning caused by statement methods (such as reading OUT parameters) will be chained on the Statement object.

Specified by:

getWarnings in interface ResultSet

Returns:

the first SQLWarning or null

Throws:

SQLException - Thrown if this ResultSet is closed

clearWarnings

public final void clearWarnings()
                         throws SQLException

After this call getWarnings returns null until a new warning is reported for this ResultSet.

Specified by:

clearWarnings in interface ResultSet

Throws:

SQLException - Thrown if this ResultSet is closed

getCursorName

public final String getCursorName()
                           throws SQLException

Get the name of the SQL cursor used by this ResultSet.

In SQL, a result table is retrieved through a cursor that is named. The current row of a result can be updated or deleted using a positioned update/delete statement that references the cursor name.

JDBC supports this SQL feature by providing the name of the SQL cursor used by a ResultSet. The current row of a ResultSet is also the current row of this SQL cursor.

Note: If positioned update is not supported a SQLException is thrown

Specified by:

getCursorName in interface ResultSet

Returns:

the ResultSet's SQL cursor name

Throws:

SQLException - thrown on failure.

getMetaData

public final ResultSetMetaData getMetaData()
                                    throws SQLException

The number, types and properties of a ResultSet's columns are provided by the getMetaData method.

Specified by:

getMetaData in interface ResultSet

Returns:

the description of a ResultSet's columns

Throws:

SQLException - thrown on failure.

getHoldability

public final int getHoldability()
                         throws SQLException

JDBC 4.0

Retrieves the holdability for this ResultSet object.

Specified by:

getHoldability in interface ResultSet

Returns:

either ResultSet.HOLD_CURSORS_OVER_COMMIT or ResultSet.CLOSE_CURSORS_AT_COMMIT

Throws:

SQLException - if a database error occurs

getObject

public final Object getObject(int columnIndex)
                       throws SQLException

Get the value of a column in the current row as a Java object.

This method will return the value of the given column as a Java object. The type of the Java object will be the default Java Object type corresponding to the column's SQL type, following the mapping specified in the JDBC spec.

This method may also be used to read datatabase specific abstract data types. JDBC 2.0 New behavior for getObject(). The behavior of method getObject() is extended to materialize data of SQL user-defined types. When the column @columnIndex is a structured or distinct value, the behavior of this method is as if it were a call to: getObject(columnIndex, this.getStatement().getConnection().getTypeMap()).

Specified by:

getObject in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

A java.lang.Object holding the column value.

Throws:

SQLException - thrown on failure.

getObject

public final Object getObject(String columnName)
                       throws SQLException

Get the value of a column in the current row as a Java object.

This method will return the value of the given column as a Java object. The type of the Java object will be the default Java Object type corresponding to the column's SQL type, following the mapping specified in the JDBC spec.

This method may also be used to read datatabase specific abstract data types. JDBC 2.0 New behavior for getObject(). The behavior of method getObject() is extended to materialize data of SQL user-defined types. When the column @columnName is a structured or distinct value, the behavior of this method is as if it were a call to: getObject(columnName, this.getStatement().getConnection().getTypeMap()).

Specified by:

getObject in interface ResultSet

Parameters:

columnName - is the SQL name of the column

Returns:

A java.lang.Object holding the column value.

Throws:

SQLException - thrown on failure.

getObject

public Object getObject(int columnIndex,
 Map<String,Class<?>> map)
                 throws SQLException

JDBC 2.0 Returns the value of column i as a Java object. Use the param map to determine the class from which to construct data of SQL structured and distinct types.

Specified by:

getObject in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

map - the mapping from SQL type names to Java classes

Returns:

an object representing the SQL value

Throws:

SQLException - Feature not implemented for now.

getObject

public Object getObject(String colName,
 Map<String,Class<?>> map)
                 throws SQLException

JDBC 2.0 Returns the value of column i as a Java object. Use the param map to determine the class from which to construct data of SQL structured and distinct types.

Specified by:

getObject in interface ResultSet

Parameters:

colName - the column name

map - the mapping from SQL type names to Java classes

Returns:

an object representing the SQL value

Throws:

SQLException - Feature not implemented for now.

findColumn

public final int findColumn(String columnName)
                     throws SQLException

Map a Resultset column name to a ResultSet column index.

Specified by:

findColumn in interface ResultSet

Parameters:

columnName - the name of the column

Returns:

the column index

Throws:

SQLException - thrown on failure.

getStatement

public final Statement getStatement()
                             throws SQLException

JDBC 2.0 Return the Statement that produced the ResultSet.

Specified by:

getStatement in interface ResultSet

Returns:

the Statment that produced the result set, or null if the result was produced some other way.

Throws:

SQLException - if a database error occurs or the result set is closed

setApplicationStatement

public final void setApplicationStatement(Statement applicationStmt)

Set the application Statement object that created this ResultSet. Used when the Statement objects returned to the application are wrapped for XA.

getRef

public final Ref getRef(int i)
                 throws SQLException

JDBC 2.0 Get a REF(<structured-type>) column.

Specified by:

getRef in interface ResultSet

Parameters:

i - the first column is 1, the second is 2, ...

Returns:

an object representing data of an SQL REF type

Throws:

SQLException - Feature not implemented for now.

getArray

public final Array getArray(int i)
                     throws SQLException

JDBC 2.0 Get an array column.

Specified by:

getArray in interface ResultSet

Parameters:

i - the first column is 1, the second is 2, ...

Returns:

an object representing an SQL array

Throws:

SQLException - Feature not implemented for now.

getRef

public final Ref getRef(String colName)
                 throws SQLException

JDBC 2.0 Get a REF(<structured-type>) column.

Specified by:

getRef in interface ResultSet

Parameters:

colName - the column name

Returns:

an object representing data of an SQL REF type

Throws:

SQLException - Feature not implemented for now.

getArray

public final Array getArray(String colName)
                     throws SQLException

JDBC 2.0 Get an array column.

Specified by:

getArray in interface ResultSet

Parameters:

colName - the column name

Returns:

an object representing an SQL array

Throws:

SQLException - Feature not implemented for now.

isBeforeFirst

public boolean isBeforeFirst()
                      throws SQLException

JDBC 2.0

Determine if the cursor is before the first row in the result set.

Specified by:

isBeforeFirst in interface ResultSet

Returns:

true if before the first row, false otherwise. Returns false when the result set contains no rows.

Throws:

SQLException - Thrown on error.

isAfterLast

public boolean isAfterLast()
                    throws SQLException

JDBC 2.0

Determine if the cursor is after the last row in the result set.

Specified by:

isAfterLast in interface ResultSet

Returns:

true if after the last row, false otherwise. Returns false when the result set contains no rows.

Throws:

SQLException - Thrown on error.

isFirst

public boolean isFirst()
                throws SQLException

JDBC 2.0

Determine if the cursor is on the first row of the result set.

Specified by:

isFirst in interface ResultSet

Returns:

true if on the first row, false otherwise.

Throws:

SQLException - Thrown on error.

isLast

public boolean isLast()
               throws SQLException

JDBC 2.0

Determine if the cursor is on the last row of the result set. Note: Calling isLast() may be expensive since the JDBC driver might need to fetch ahead one row in order to determine whether the current row is the last row in the result set.

Specified by:

isLast in interface ResultSet

Returns:

true if on the last row, false otherwise.

Throws:

SQLException - Thrown on error.

beforeFirst

public void beforeFirst()
                 throws SQLException

JDBC 2.0

Moves to the front of the result set, just before the first row. Has no effect if the result set contains no rows.

Specified by:

beforeFirst in interface ResultSet

Throws:

SQLException - if a database-access error occurs, or result set type is TYPE_FORWARD_ONLY

afterLast

public void afterLast()
               throws SQLException

JDBC 2.0

Moves to the end of the result set, just after the last row. Has no effect if the result set contains no rows.

Specified by:

afterLast in interface ResultSet

Throws:

SQLException - if a database-access error occurs, or result set type is TYPE_FORWARD_ONLY.

first

public boolean first()
              throws SQLException

JDBC 2.0

Moves to the first row in the result set.

Specified by:

first in interface ResultSet

Returns:

true if on a valid row, false if no rows in the result set.

Throws:

SQLException - if a database-access error occurs, or result set type is TYPE_FORWARD_ONLY.

last

public boolean last()
             throws SQLException

JDBC 2.0

Moves to the last row in the result set.

Specified by:

last in interface ResultSet

Returns:

true if on a valid row, false if no rows in the result set.

Throws:

SQLException - if a database-access error occurs, or result set type is TYPE_FORWARD_ONLY.

getRow

public int getRow()
           throws SQLException

JDBC 2.0

Determine the current row number. The first row is number 1, the second number 2, etc.

Specified by:

getRow in interface ResultSet

Returns:

the current row number, else return 0 if there is no current row

Throws:

SQLException - if a database-access error occurs.

absolute

public boolean absolute(int row)
                 throws SQLException

JDBC 2.0

Move to an absolute row number in the result set.

If row is positive, moves to an absolute row with respect to the beginning of the result set. The first row is row 1, the second is row 2, etc.

If row is negative, moves to an absolute row position with respect to the end of result set. For example, calling absolute(-1) positions the cursor on the last row, absolute(-2) indicates the next-to-last row, etc.

An attempt to position the cursor beyond the first/last row in the result set, leaves the cursor before/after the first/last row, respectively.

Note: Calling absolute(1) is the same as calling first(). Calling absolute(-1) is the same as calling last().

Specified by:

absolute in interface ResultSet

Returns:

true if on the result set, false if off.

Throws:

SQLException - if a database-access error occurs, or row is 0, or result set type is TYPE_FORWARD_ONLY.

relative

public boolean relative(int row)
                 throws SQLException

JDBC 2.0

Moves a relative number of rows, either positive or negative. Attempting to move beyond the first/last row in the result set positions the cursor before/after the the first/last row. Calling relative(0) is valid, but does not change the cursor position.

Note: Calling relative(1) is different than calling next() since is makes sense to call next() when there is no current row, for example, when the cursor is positioned before the first row or after the last row of the result set.

Specified by:

relative in interface ResultSet

Returns:

true if on a row, false otherwise.

Throws:

SQLException - if a database-access error occurs, or there is no current row, or result set type is TYPE_FORWARD_ONLY.

previous

public boolean previous()
                 throws SQLException

JDBC 2.0

Moves to the previous row in the result set.

Note: previous() is not the same as relative(-1) since it makes sense to call previous() when there is no current row.

Specified by:

previous in interface ResultSet

Returns:

true if on a valid row, false if off the result set.

Throws:

SQLException - if a database-access error occurs, or result set type is TYPE_FORWAR_DONLY.

setFetchDirection

public void setFetchDirection(int direction)
                       throws SQLException

JDBC 2.0 Give a hint as to the direction in which the rows in this result set will be processed. The initial value is determined by the statement that produced the result set. The fetch direction may be changed at any time.

Specified by:

setFetchDirection in interface ResultSet

Throws:

SQLException - if a database-access error occurs, or the result set type is TYPE_FORWARD_ONLY and direction is not FETCH_FORWARD.

getFetchDirection

public int getFetchDirection()
                      throws SQLException

JDBC 2.0 Return the fetch direction for this result set.

Specified by:

getFetchDirection in interface ResultSet

Throws:

SQLException - if a database-access error occurs

setFetchSize

public void setFetchSize(int rows)
                  throws SQLException

JDBC 2.0 Give the JDBC driver a hint as to the number of rows that should be fetched from the database when more rows are needed for this result set. If the fetch size specified is zero, then the JDBC driver ignores the value, and is free to make its own best guess as to what the fetch size should be. The default value is set by the statement that creates the result set. The fetch size may be changed at any time.

Specified by:

setFetchSize in interface ResultSet

Parameters:

rows - the number of rows to fetch

Throws:

SQLException - if a database-access error occurs, or the condition 0 <= rows is not satisfied.

getFetchSize

public int getFetchSize()
                 throws SQLException

JDBC 2.0 Return the fetch size for this result set.

Specified by:

getFetchSize in interface ResultSet

Throws:

SQLException - if a database-access error occurs

getType

public int getType()
            throws SQLException

JDBC 2.0 Return the type of this result set. The type is determined based on the statement that created the result set.

Specified by:

getType in interface ResultSet

Returns:

TYPE_FORWARD_ONLY, TYPE_SCROLL_INSENSITIVE, or TYPE_SCROLL_SENSITIVE

Throws:

SQLException - if a database-access error occurs

getConcurrency

public int getConcurrency()
                   throws SQLException

JDBC 2.0 Return the concurrency of this result set. The concurrency is determined as follows If Statement object has CONCUR_READ_ONLY concurrency, then ResultSet object will also have the CONCUR_READ_ONLY concurrency. But if Statement object has CONCUR_UPDATABLE concurrency, then the concurrency of ResultSet object depends on whether the underlying language resultset is updatable or not. If the language resultset is updatable, then JDBC ResultSet object will also have the CONCUR_UPDATABLE concurrency. If lanugage resultset is not updatable, then JDBC ResultSet object concurrency will be set to CONCUR_READ_ONLY.

Specified by:

getConcurrency in interface ResultSet

Returns:

the concurrency type, CONCUR_READ_ONLY, etc.

Throws:

SQLException - if a database-access error occurs

rowUpdated

public boolean rowUpdated()
                   throws SQLException

JDBC 2.0 Determine if the current row has been updated. The value returned depends on whether or not the result set can detect updates.

Specified by:

rowUpdated in interface ResultSet

Returns:

true if the row has been visibly updated by the owner or another, and updates are detected

Throws:

SQLException - if a database-access error occurs

See Also:

• EmbedDatabaseMetaData.updatesAreDetected(int)

rowInserted

public boolean rowInserted()
                    throws SQLException

JDBC 2.0 Determine if the current row has been inserted. The value returned depends on whether or not the result set can detect visible inserts.

Specified by:

rowInserted in interface ResultSet

Returns:

true if inserted and inserts are detected

Throws:

SQLException - if a database-access error occurs

See Also:

• EmbedDatabaseMetaData.insertsAreDetected(int)

rowDeleted

public boolean rowDeleted()
                   throws SQLException

JDBC 2.0 Determine if this row has been deleted. A deleted row may leave a visible "hole" in a result set. This method can be used to detect holes in a result set. The value returned depends on whether or not the result set can detect deletions.

Specified by:

rowDeleted in interface ResultSet

Returns:

true if deleted and deletes are detected

Throws:

SQLException - if a database-access error occurs

See Also:

• EmbedDatabaseMetaData.deletesAreDetected(int)

checksBeforeUpdateXXX

protected void checksBeforeUpdateXXX(String methodName,
 int columnIndex)
                              throws SQLException

Throws:

SQLException

checksBeforeUpdateOrDelete

protected void checksBeforeUpdateOrDelete(String methodName,
 int columnIndex)
                                   throws SQLException

Throws:

SQLException

getDVDforColumnToBeUpdated

protected DataValueDescriptor getDVDforColumnToBeUpdated(int columnIndex,
 String updateMethodName)
                                                  throws StandardException,
SQLException

Throws:

StandardException

SQLException

checksBeforeInsert

protected void checksBeforeInsert()
                           throws SQLException

Throws:

SQLException

checksBeforeUpdateAsciiStream

private void checksBeforeUpdateAsciiStream(int columnIndex)
                                    throws SQLException

Check whether it is OK to update a column using updateAsciiStream().

Parameters:

columnIndex - the column index (first column is 1)

Throws:

SQLException - if the column could not be updated with updateAsciiStream()

checksBeforeUpdateBinaryStream

private void checksBeforeUpdateBinaryStream(int columnIndex)
                                     throws SQLException

Check whether it is OK to update a column using updateBinaryStream().

Parameters:

columnIndex - the column index (first column is 1)

Throws:

SQLException - if the column could not be updated with updateBinaryStream()

checksBeforeUpdateCharacterStream

private void checksBeforeUpdateCharacterStream(int columnIndex)
                                        throws SQLException

Check whether it is OK to update a column using updateCharacterStream().

Parameters:

columnIndex - the column index (first column is 1)

Throws:

SQLException - if the column could not be updated with updateCharacterStream()

updateNull

public void updateNull(int columnIndex)
                throws SQLException

JDBC 2.0 Give a nullable column a null value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateNull in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Throws:

SQLException - if a database-access error occurs

updateBoolean

public void updateBoolean(int columnIndex,
 boolean x)
                   throws SQLException

JDBC 2.0 Update a column with a boolean value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateBoolean in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateByte

public void updateByte(int columnIndex,
 byte x)
                throws SQLException

JDBC 2.0 Update a column with a byte value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateByte in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateShort

public void updateShort(int columnIndex,
 short x)
                 throws SQLException

JDBC 2.0 Update a column with a short value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateShort in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateInt

public void updateInt(int columnIndex,
 int x)
               throws SQLException

JDBC 2.0 Update a column with an integer value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateInt in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateLong

public void updateLong(int columnIndex,
 long x)
                throws SQLException

JDBC 2.0 Update a column with a long value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateLong in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateFloat

public void updateFloat(int columnIndex,
 float x)
                 throws SQLException

JDBC 2.0 Update a column with a float value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateFloat in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateDouble

public void updateDouble(int columnIndex,
 double x)
                  throws SQLException

JDBC 2.0 Update a column with a Double value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateDouble in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateBigDecimal

public void updateBigDecimal(int columnIndex,
 BigDecimal x)
                      throws SQLException

Specified by:

updateBigDecimal in interface ResultSet

Throws:

SQLException

updateBigDecimal

public void updateBigDecimal(String columnName,
 BigDecimal x)
                      throws SQLException

JDBC 2.0 Update a column with a BigDecimal value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateBigDecimal in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateString

public void updateString(int columnIndex,
 String x)
                  throws SQLException

JDBC 2.0 Update a column with a String value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateString in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateBytes

public void updateBytes(int columnIndex,
 byte[] x)
                 throws SQLException

JDBC 2.0 Update a column with a byte array value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateBytes in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateDate

public void updateDate(int columnIndex,
 Date x)
                throws SQLException

JDBC 2.0 Update a column with a Date value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateDate in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateTime

public void updateTime(int columnIndex,
 Time x)
                throws SQLException

JDBC 2.0 Update a column with a Time value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateTime in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateTimestamp

public void updateTimestamp(int columnIndex,
 Timestamp x)
                     throws SQLException

JDBC 2.0 Update a column with a Timestamp value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateTimestamp in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateAsciiStream

public void updateAsciiStream(int columnIndex,
 InputStream x,
 long length)
                       throws SQLException

Update a column with an ascii stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateAsciiStream in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

length - the length of the stream

Throws:

SQLException - if a database-access error occurs

updateAsciiStream

public void updateAsciiStream(int columnIndex,
 InputStream x)
                       throws SQLException

Updates the designated column with a character stream value. The data will be read from the stream as needed until end-of-stream is reached. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateAsciiStream in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if the columnIndex is not valid; if a database access error occurs; the result set concurrency is CONCUR_READ_ONLY or this method is called on a closed result set

updateBinaryStream

public void updateBinaryStream(int columnIndex,
 InputStream x,
 long length)
                        throws SQLException

Update a column with a binary stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateBinaryStream in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

length - the length of the stream

Throws:

SQLException - if a database-access error occurs

updateBinaryStream

public void updateBinaryStream(int columnIndex,
 InputStream x)
                        throws SQLException

Updates the designated column with a binary stream value. The data will be read from the stream as needed until end-of-stream is reached. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateBinaryStream in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if the columnLabel is not valid; if a database access error occurs; the result set concurrency is CONCUR_READ_ONLY or this method is called on a closed result set

updateBinaryStreamInternal

private void updateBinaryStreamInternal(int columnIndex,
 InputStream x,
 boolean lengthLess,
 long length,
 String updateMethodName)
                                 throws SQLException

Set the given binary stream for the specified parameter. If lengthLess is true, the following conditions are either not checked or verified at the execution time of updateRow/insertRow:

1. If the stream length is negative.
2. If the stream's actual length equals the specified length.

The lengthLess variable was added to differentiate between streams with invalid lengths and streams without known lengths.

Parameters:

columnIndex - the 1-based index of the parameter to set.

x - the data.

lengthLess - tells whether we know the length of the data or not.

length - the length of the data. Ignored if lengthLess is true.

updateMethodName - the name of the method calling us. Used in error messages.

Throws:

SQLException - if reading the data fails, or one of the data checks fails.

updateCharacterStream

public void updateCharacterStream(int columnIndex,
 Reader x,
 long length)
                           throws SQLException

JDBC 4.0 Update a column with a character stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateCharacterStream in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

length - the length of the stream

Throws:

SQLException - if a database-access error occurs

updateCharacterStream

public void updateCharacterStream(int columnIndex,
 Reader x)
                           throws SQLException

Updates the designated column with a character stream value. The data will be read from the stream as needed until end-of-stream is reached. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateCharacterStream in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if the columnIndex is not valid; if a database access error occurs; the result set concurrency is CONCUR_READ_ONLY or this method is called on a closed result set

updateCharacterStreamInternal

private void updateCharacterStreamInternal(int columnIndex,
 Reader reader,
 boolean lengthLess,
 long length,
 String updateMethodName)
                                    throws SQLException

Set the given character stream for the specified parameter. If lengthLess is true, the following conditions are either not checked or verified at the execution time of the prepared statement:

1. If the stream length is negative.
2. If the stream's actual length equals the specified length.

The lengthLess variable was added to differentiate between streams with invalid lengths and streams without known lengths.

Parameters:

columnIndex - the 1-based index of the parameter to set.

reader - the data.

lengthLess - tells whether we know the length of the data or not.

length - the length of the data. Ignored if lengthLess is true.

Throws:

SQLException - if reading the data fails, or one of the data checks fails.

updateObject

public void updateObject(int columnIndex,
 Object x,
 int scale)
                  throws SQLException

JDBC 2.0 Update a column with an Object value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateObject in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

scale - For java.sql.Types.DECIMAL or java.sql.Types.NUMERIC types this is the number of digits after the decimal. For all other types this value will be ignored.

Throws:

SQLException - if a database-access error occurs

adjustScale

protected void adjustScale(int columnIndex,
 int scale)
                    throws SQLException

Adjust the scale of a type.

Throws:

SQLException

updateObject

public void updateObject(int columnIndex,
 Object x)
                  throws SQLException

JDBC 2.0 Update a column with an Object value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateObject in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateNull

public void updateNull(String columnName)
                throws SQLException

JDBC 2.0 Update a column with a null value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateNull in interface ResultSet

Parameters:

columnName - the name of the column

Throws:

SQLException - if a database-access error occurs

updateBoolean

public void updateBoolean(String columnName,
 boolean x)
                   throws SQLException

JDBC 2.0 Update a column with a boolean value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateBoolean in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateByte

public void updateByte(String columnName,
 byte x)
                throws SQLException

JDBC 2.0 Update a column with a byte value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateByte in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateShort

public void updateShort(String columnName,
 short x)
                 throws SQLException

JDBC 2.0 Update a column with a short value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateShort in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateInt

public void updateInt(String columnName,
 int x)
               throws SQLException

JDBC 2.0 Update a column with an integer value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateInt in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateLong

public void updateLong(String columnName,
 long x)
                throws SQLException

JDBC 2.0 Update a column with a long value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateLong in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateFloat

public void updateFloat(String columnName,
 float x)
                 throws SQLException

JDBC 2.0 Update a column with a float value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateFloat in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateDouble

public void updateDouble(String columnName,
 double x)
                  throws SQLException

JDBC 2.0 Update a column with a double value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateDouble in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateString

public void updateString(String columnName,
 String x)
                  throws SQLException

JDBC 2.0 Update a column with a String value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateString in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateBytes

public void updateBytes(String columnName,
 byte[] x)
                 throws SQLException

JDBC 2.0 Update a column with a byte array value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateBytes in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateDate

public void updateDate(String columnName,
 Date x)
                throws SQLException

JDBC 2.0 Update a column with a Date value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateDate in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateTime

public void updateTime(String columnName,
 Time x)
                throws SQLException

JDBC 2.0 Update a column with a Time value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateTime in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateTimestamp

public void updateTimestamp(String columnName,
 Timestamp x)
                     throws SQLException

JDBC 2.0 Update a column with a Timestamp value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateTimestamp in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

Throws:

SQLException - if a database-access error occurs

updateAsciiStream

public void updateAsciiStream(String columnName,
 InputStream x,
 int length)
                       throws SQLException

JDBC 2.0 Update a column with an ascii stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateAsciiStream in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

length - of the stream

Throws:

SQLException - if a database-access error occurs

updateBinaryStream

public void updateBinaryStream(String columnName,
 InputStream x,
 int length)
                        throws SQLException

JDBC 2.0 Update a column with a binary stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateBinaryStream in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

length - of the stream

Throws:

SQLException - if a database-access error occurs

updateCharacterStream

public void updateCharacterStream(String columnName,
 Reader reader,
 int length)
                           throws SQLException

JDBC 2.0 Update a column with a character stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateCharacterStream in interface ResultSet

Parameters:

columnName - the name of the column

reader - the new column value

length - length of the stream

Throws:

SQLException - if a database-access error occurs

updateObject

public void updateObject(String columnName,
 Object x,
 int scale)
                  throws SQLException

JDBC 2.0 Update a column with an Object value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateObject in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

scale - For java.sql.Types.DECIMAL or java.sql.Types.NUMERIC types this is the number of digits after the decimal. For all other types this value will be ignored.

Throws:

SQLException - if a database-access error occurs

updateObject

public void updateObject(String columnName,
 Object x)
                  throws SQLException

JDBC 2.0 Update a column with an Object value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateObject in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

Throws:

SQLException - if a database-access error occurs

insertRow

public void insertRow()
               throws SQLException

JDBC 2.0 Insert the contents of the insert row into the result set and the database. Must be on the insert row when this method is called.

Specified by:

insertRow in interface ResultSet

Throws:

SQLException - if a database-access error occurs, if called when not on the insert row, or if all non-nullable columns in the insert row have not been given a value

updateRow

public void updateRow()
               throws SQLException

JDBC 2.0 Update the underlying database with the new contents of the current row. Cannot be called when on the insert row.

Specified by:

updateRow in interface ResultSet

Throws:

SQLException - if a database-access error occurs, or if called when on the insert row

deleteRow

public void deleteRow()
               throws SQLException

JDBC 2.0 Delete the current row from the result set and the underlying database. Cannot be called when on the insert row.

Specified by:

deleteRow in interface ResultSet

Throws:

SQLException - if a database-access error occurs, or if called when on the insert row.

getFullBaseTableName

private String getFullBaseTableName(ExecCursorTableReference targetTable)

refreshRow

public void refreshRow()
                throws SQLException

JDBC 2.0 Refresh the value of the current row with its current value in the database. Cannot be called when on the insert row. The refreshRow() method provides a way for an application to explicitly tell the JDBC driver to refetch a row(s) from the database. An application may want to call refreshRow() when caching or prefetching is being done by the JDBC driver to fetch the latest value of a row from the database. The JDBC driver may actually refresh multiple rows at once if the fetch size is greater than one. All values are refetched subject to the transaction isolation level and cursor sensitivity. If refreshRow() is called after calling updateXXX(), but before calling updateRow() then the updates made to the row are lost. Calling refreshRow() frequently will likely slow performance.

Specified by:

refreshRow in interface ResultSet

Throws:

SQLException - if a database-access error occurs, or if called when on the insert row.

cancelRowUpdates

public void cancelRowUpdates()
                      throws SQLException

JDBC 2.0 The cancelRowUpdates() method may be called after calling an updateXXX() method(s) and before calling updateRow() to rollback the updates made to a row. If no updates have been made or updateRow() has already been called, then this method has no effect.

Specified by:

cancelRowUpdates in interface ResultSet

Throws:

SQLException - if a database-access error occurs, or if called when on the insert row.

moveToInsertRow

public void moveToInsertRow()
                     throws SQLException

JDBC 2.0 Move to the insert row. The current cursor position is remembered while the cursor is positioned on the insert row. The insert row is a special row associated with an updatable result set. It is essentially a buffer where a new row may be constructed by calling the updateXXX() methods prior to inserting the row into the result set. Only the updateXXX(), getXXX(), and insertRow() methods may be called when the cursor is on the insert row. All of the columns in a result set must be given a value each time this method is called before calling insertRow(). UpdateXXX()must be called before getXXX() on a column.

Specified by:

moveToInsertRow in interface ResultSet

Throws:

SQLException - if a database-access error occurs, or the result set is not updatable

moveToCurrentRow

public void moveToCurrentRow()
                      throws SQLException

JDBC 2.0 Move the cursor to the remembered cursor position, usually the current row. Has no effect unless the cursor is on the insert row.

Specified by:

moveToCurrentRow in interface ResultSet

Throws:

SQLException - if a database-access error occurs, or the result set is not updatable

getBlob

public Blob getBlob(int columnIndex)
             throws SQLException

JDBC 2.0 Get a BLOB column.

Specified by:

getBlob in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

an object representing a BLOB

Throws:

SQLException

getClob

public final Clob getClob(int columnIndex)
                   throws SQLException

JDBC 2.0 Get a CLOB column.

Specified by:

getClob in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

Returns:

an object representing a CLOB

Throws:

SQLException

getBlob

public final Blob getBlob(String columnName)
                   throws SQLException

JDBC 2.0 Get a BLOB column.

Specified by:

getBlob in interface ResultSet

Parameters:

columnName - the column name

Returns:

an object representing a BLOB

Throws:

SQLException

getClob

public final Clob getClob(String columnName)
                   throws SQLException

JDBC 2.0 Get a CLOB column.

Specified by:

getClob in interface ResultSet

Parameters:

columnName - the column name

Returns:

an object representing a CLOB

Throws:

SQLException - Feature not implemented for now.

updateBlob

public void updateBlob(int columnIndex,
 Blob x)
                throws SQLException

JDBC 3.0 Updates the designated column with a java.sql.Blob value. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateBlob in interface ResultSet

Parameters:

columnIndex - - the first column is 1, the second is 2

x - - the new column value

Throws:

SQLException - Feature not implemented for now.

updateBlob

public void updateBlob(String columnName,
 Blob x)
                throws SQLException

JDBC 3.0 Updates the designated column with a java.sql.Blob value. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateBlob in interface ResultSet

Parameters:

columnName - - the SQL name of the column

x - - the new column value

Throws:

SQLException - Feature not implemented for now.

updateClob

public void updateClob(int columnIndex,
 Clob x)
                throws SQLException

JDBC 3.0 Updates the designated column with a java.sql.Clob value. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateClob in interface ResultSet

Parameters:

columnIndex - - the first column is 1, the second is 2

x - - the new column value

Throws:

SQLException - Feature not implemented for now.

updateClob

public void updateClob(String columnName,
 Clob x)
                throws SQLException

JDBC 3.0 Updates the designated column with a java.sql.Clob value. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateClob in interface ResultSet

Parameters:

columnName - - the SQL name of the column

x - - the new column value

Throws:

SQLException - Feature not implemented for now.

findColumnName

protected int findColumnName(String columnName)
                      throws SQLException

Map a Resultset column name to a ResultSet column index.

Parameters:

columnName - the name of the column

Returns:

the column index

Throws:

SQLException - thrown on failure.

closeCurrentStream

private final void closeCurrentStream()

Documented behaviour for streams is that they are implicitly closed on the next get*() method call.

checkIfClosed

final void checkIfClosed(String operation)
                  throws SQLException

Throw an exception if this ResultSet is closed.

Parameters:

operation - The operation the caller is trying to perform

Throws:

SQLException - Thrown if this ResultSet is closed.

checkExecIfClosed

final void checkExecIfClosed(String operation)
                      throws SQLException

Throw an exception if this ResultSet is closed or its Connection has been closed. If the ResultSet has not been explictly closed but the Connection is closed, then this ResultSet will be marked as closed.

Throws:

SQLException

getSQLText

protected String getSQLText()

Try to see if we can fish the SQL Statement out of the local statement.

Returns:

null if we cannot figure out what SQL Statement is currently executing

getParameterValueSet

protected ParameterValueSet getParameterValueSet()

Try to see if we can fish the pvs out of the local statement.

Returns:

null if we cannot figure out what parameter value set is currently using

isMaxFieldSizeType

private static boolean isMaxFieldSizeType(int colType)

closeOnTransactionError

final SQLException closeOnTransactionError(Throwable thrownException)
                                    throws SQLException

Throws:

SQLException

getColumn

protected final DataValueDescriptor getColumn(int columnIndex)
                                       throws SQLException,
StandardException

Get the column value for a getXXX() call. This method:

• Closes the current stream (as per JDBC)
• Throws a SQLException if the result set is closed
• Throws a SQLException if the ResultSet is not on a row
• Throws a SQLException if the columnIndex is out of range
• Returns the DataValueDescriptor for the column.

Throws:

SQLException

StandardException

noStateChangeException

static final SQLException noStateChangeException(Throwable thrownException)

An exception on many method calls to JDBC objects does not change the state of the transaction or statement, or even the underlying object. This method simply wraps the excecption in a SQLException. Examples are:

• getXXX() calls on ResultSet - ResultSet is not closed.
• setXXX() calls on PreparedStatement - ResultSet is not closed.

In addition these exceptions must not call higher level objects to be closed (e.g. when executing a server side Java procedure). See bug 4397

setDynamicResultSet

void setDynamicResultSet(EmbedStatement owningStmt)

A dynamic result was created in a procedure by a nested connection. Once the procedure returns, there is a good chance that connection is closed, so we re-attach the result set to the connection of the statement the called the procedure, which will be still open.
In the case where the dynamic result will not be accessible then owningStmt will be null, the ResultSet will be linked to the root connection to allow its close method to work. It will remain attached to its original statement.

compareTo

public final int compareTo(Object other)

Specified by:

compareTo in interface Comparable

checkScrollCursor

private void checkScrollCursor(String methodName)
                        throws SQLException

Checks if the result set has a scrollable cursor.

Parameters:

methodName - name of the method which requests the check

Throws:

SQLException - if the result set is closed or its type is TYPE_FORWARD_ONLY

checkUpdatableCursor

private void checkUpdatableCursor(String operation)
                           throws SQLException

Throws:

SQLException

checkRowPosition

private boolean checkRowPosition(int position,
 String positionText)
                          throws SQLException

Throws:

SQLException

isForUpdate

public final boolean isForUpdate()

* Is this result set from a select for update statement?

Specified by:

isForUpdate in interface EngineResultSet

getColumnSQLType

final String getColumnSQLType(int column)

getMaxColumnWidth

private final int getMaxColumnWidth(int columnIndex)

Return the user-defined maximum size of the column. Note that this may be different from the maximum column size Derby is able, or allowed, to handle (called 'maximum maximum length').

Parameters:

columnIndex - the 1-based index of the column

Returns:

the maximum length of the column

dataTypeConversion

private final SQLException dataTypeConversion(String targetType,
 int column)

dataTypeConversion

private final SQLException dataTypeConversion(int column,
 String targetType)

useStreamOrLOB

final void useStreamOrLOB(int columnIndex)
                   throws SQLException

Mark a column as already having a stream or LOB accessed from it. If the column was already accessed, throw an exception.

Parameters:

columnIndex - 1-based column index

Throws:

SQLException - if the column has already been accessed

checkLOBMultiCall

private void checkLOBMultiCall(int columnIndex)
                        throws SQLException

Checks if a stream or a LOB object has already been created for the specified LOB column.

Accessing a LOB column more than once is not forbidden by the JDBC specification, but the Java API states that for maximum portability, result set columns within each row should be read in left-to-right order, and each column should be read only once. The restriction was implemented in Derby due to complexities with the positioning of store streams when the user was given multiple handles to the stream.

Parameters:

columnIndex - 1-based index of the LOB column

Throws:

SQLException - if the column has already been accessed

isClosed

public final boolean isClosed()
                       throws SQLException

JDBC 4.0

Checks whether this ResultSet object has been closed, either automatically or because close() has been called.

Specified by:

isClosed in interface ResultSet

Returns:

true if the ResultSet is closed, false otherwise

Throws:

SQLException - if a database error occurs

addWarning

private void addWarning(SQLWarning w)

Adds a warning to the end of the warning chain.

Parameters:

w - The warning to add to the warning chain.

updateAsciiStream

public void updateAsciiStream(int columnIndex,
 InputStream x,
 int length)
                       throws SQLException

JDBC 2.0 Update a column with an ascii stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateAsciiStream in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

length - the length of the stream

Throws:

SQLException - if a database-access error occurs

updateBinaryStream

public void updateBinaryStream(int columnIndex,
 InputStream x,
 int length)
                        throws SQLException

JDBC 2.0 Update a column with a binary stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateBinaryStream in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

length - the length of the stream

Throws:

SQLException - if a database-access error occurs

updateCharacterStream

public void updateCharacterStream(int columnIndex,
 Reader x,
 int length)
                           throws SQLException

JDBC 2.0 Update a column with a character stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateCharacterStream in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - the new column value

length - the length of the stream

Throws:

SQLException - if a database-access error occurs

updateAsciiStream

public void updateAsciiStream(String columnName,
 InputStream x,
 long length)
                       throws SQLException

JDBC 4.0 Update a column with an ascii stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateAsciiStream in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

length - of the stream

Throws:

SQLException - if a database-access error occurs

updateAsciiStream

public void updateAsciiStream(String columnName,
 InputStream x)
                       throws SQLException

Updates the designated column with a character stream value. The data will be read from the stream as needed until end-of-stream is reached. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateAsciiStream in interface ResultSet

Parameters:

columnName - the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the label is the name of the column

x - the new column value

Throws:

SQLException - if the columnIndex is not valid; if a database access error occurs; the result set concurrency is CONCUR_READ_ONLY or this method is called on a closed result set

updateBinaryStream

public void updateBinaryStream(String columnName,
 InputStream x,
 long length)
                        throws SQLException

JDBC 4.0 Update a column with a binary stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateBinaryStream in interface ResultSet

Parameters:

columnName - the name of the column

x - the new column value

length - of the stream

Throws:

SQLException - if a database-access error occurs

updateBinaryStream

public void updateBinaryStream(String columnName,
 InputStream x)
                        throws SQLException

Updates the designated column with a binary stream value. The data will be read from the stream as needed until end-of-stream is reached. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateBinaryStream in interface ResultSet

Parameters:

columnName - the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the label is the name of the column

x - the new column value

Throws:

SQLException - if the columnLabel is not valid; if a database access error occurs; the result set concurrency is CONCUR_READ_ONLY or this method is called on a closed result set

updateCharacterStream

public void updateCharacterStream(String columnName,
 Reader reader,
 long length)
                           throws SQLException

JDBC 4.0 Update a column with a character stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.

Specified by:

updateCharacterStream in interface ResultSet

Parameters:

columnName - the name of the column

reader - the new column value

length - length of the stream

Throws:

SQLException - if a database-access error occurs

updateCharacterStream

public void updateCharacterStream(String columnName,
 Reader reader)
                           throws SQLException

Updates the designated column with a character stream value. The data will be read from the stream as needed until end-of-stream is reached. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateCharacterStream in interface ResultSet

Parameters:

columnName - the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the label is the name of the column

reader - the new column value

Throws:

SQLException - if the columnIndex is not valid; if a database access error occurs; the result set concurrency is CONCUR_READ_ONLY or this method is called on a closed result set

updateBlob

public void updateBlob(int columnIndex,
 InputStream x,
 long length)
                throws SQLException

JDBC 4.0 Updates the designated column with a java.sql.Blob value. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateBlob in interface ResultSet

Parameters:

columnIndex - - the first column is 1, the second is 2

x - - the new column value

length - - the length of the Blob datatype

Throws:

SQLException

updateBlob

public void updateBlob(int columnIndex,
 InputStream x)
                throws SQLException

Updates the designated column using the given input stream. The data will be read from the stream as needed until end-of-stream is reached. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateBlob in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - an object that contains the data to set the parameter value to.

Throws:

SQLException - if the columnIndex is not valid; if a database access error occurs; the result set concurrency is CONCUR_READ_ONLY or this method is called on a closed result set

updateBlob

public void updateBlob(String columnName,
 InputStream x,
 long length)
                throws SQLException

JDBC 4.0 Updates the designated column with a java.sql.Blob value. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateBlob in interface ResultSet

Parameters:

columnName - - the name of the column to be updated

x - - the new column value

length - - the length of the Blob datatype

Throws:

SQLException

updateBlob

public void updateBlob(String columnName,
 InputStream x)
                throws SQLException

Updates the designated column using the given input stream. The data will be read from the stream as needed until end-of-stream is reached. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateBlob in interface ResultSet

Parameters:

columnName - the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the label is the name of the column

x - an object that contains the data to set the parameter value to.

Throws:

SQLException - if the columnIndex is not valid; if a database access error occurs; the result set concurrency is CONCUR_READ_ONLY or this method is called on a closed result set

updateClob

public void updateClob(int columnIndex,
 Reader x,
 long length)
                throws SQLException

JDBC 4.0 Updates the designated column with a java.sql.Clob value. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateClob in interface ResultSet

Parameters:

columnIndex - - the first column is 1, the second is 2

x - - the new column value

Throws:

SQLException - Feature not implemented for now.

updateClob

public void updateClob(int columnIndex,
 Reader x)
                throws SQLException

Updates the designated column using the given Reader object. The data will be read from the stream as needed until end-of-stream is reached. The JDBC driver will do any necessary conversion from UNICODE to the database char format. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateClob in interface ResultSet

Parameters:

columnIndex - the first column is 1, the second is 2, ...

x - an object that contains the data to set the parameter value to

Throws:

SQLException - if the columnIndex is not valid; if a database access error occurs; the result set concurrency is CONCUR_READ_ONLY or this method is called on a closed result set

updateClob

public void updateClob(String columnName,
 Reader x,
 long length)
                throws SQLException

JDBC 4.0 Updates the designated column with a java.sql.Clob value. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateClob in interface ResultSet

Parameters:

columnName - - the name of the Clob column

x - - the new column value

Throws:

SQLException - Feature not implemented for now.

updateClob

public void updateClob(String columnName,
 Reader x)
                throws SQLException

Updates the designated column using the given Reader object. The data will be read from the stream as needed until end-of-stream is reached. The JDBC driver will do any necessary conversion from UNICODE to the database char format. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateClob in interface ResultSet

Parameters:

columnName - the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the label is the name of the column

x - an object that contains the data to set the parameter value to

Throws:

SQLException - if the columnIndex is not valid; if a database access error occurs; the result set concurrency is CONCUR_READ_ONLY or this method is called on a closed result set

updateRef

public void updateRef(int columnIndex,
 Ref x)
               throws SQLException

JDBC 3.0 Updates the designated column with a java.sql.Ref value. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateRef in interface ResultSet

Parameters:

columnIndex - - the first column is 1, the second is 2

x - - the new column value

Throws:

SQLException - Feature not implemented for now.

updateRef

public void updateRef(String columnName,
 Ref x)
               throws SQLException

JDBC 3.0 Updates the designated column with a java.sql.Ref value. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateRef in interface ResultSet

Parameters:

columnName - - the SQL name of the column

x - - the new column value

Throws:

SQLException - Feature not implemented for now.

updateArray

public void updateArray(int columnIndex,
 Array x)
                 throws SQLException

JDBC 3.0 Updates the designated column with a java.sql.Array value. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateArray in interface ResultSet

Parameters:

columnIndex - - the first column is 1, the second is 2

x - - the new column value

Throws:

SQLException - Feature not implemented for now.

updateArray

public void updateArray(String columnName,
 Array x)
                 throws SQLException

JDBC 3.0 Updates the designated column with a java.sql.Array value. The updater methods are used to update column values in the current row or the insert row. The updater methods do not update the underlying database; instead the updateRow or insertRow methods are called to update the database.

Specified by:

updateArray in interface ResultSet

Parameters:

columnName - - the SQL name of the column

x - - the new column value

Throws:

SQLException - Feature not implemented for now.

getRowId

public RowId getRowId(int columnIndex)
               throws SQLException

Specified by:

getRowId in interface ResultSet

Throws:

SQLException

getRowId

public RowId getRowId(String columnName)
               throws SQLException

Specified by:

getRowId in interface ResultSet

Throws:

SQLException

updateNCharacterStream

public void updateNCharacterStream(int columnIndex,
 Reader x)
                            throws SQLException

Specified by:

updateNCharacterStream in interface ResultSet

Throws:

SQLException

updateNCharacterStream

public void updateNCharacterStream(int columnIndex,
 Reader x,
 long length)
                            throws SQLException

Specified by:

updateNCharacterStream in interface ResultSet

Throws:

SQLException

updateNCharacterStream

public void updateNCharacterStream(String columnName,
 Reader x)
                            throws SQLException

Specified by:

updateNCharacterStream in interface ResultSet

Throws:

SQLException

updateNCharacterStream

public void updateNCharacterStream(String columnName,
 Reader x,
 long length)
                            throws SQLException

Specified by:

updateNCharacterStream in interface ResultSet

Throws:

SQLException

updateNString

public void updateNString(int columnIndex,
 String nString)
                   throws SQLException

Specified by:

updateNString in interface ResultSet

Throws:

SQLException

updateNString

public void updateNString(String columnName,
 String nString)
                   throws SQLException

Specified by:

updateNString in interface ResultSet

Throws:

SQLException

updateNClob

public void updateNClob(int columnIndex,
 NClob nClob)
                 throws SQLException

Specified by:

updateNClob in interface ResultSet

Throws:

SQLException

updateNClob

public void updateNClob(int columnIndex,
 Reader reader)
                 throws SQLException

Specified by:

updateNClob in interface ResultSet

Throws:

SQLException

updateNClob

public void updateNClob(String columnName,
 NClob nClob)
                 throws SQLException

Specified by:

updateNClob in interface ResultSet

Throws:

SQLException

updateNClob

public void updateNClob(String columnName,
 Reader reader)
                 throws SQLException

Specified by:

updateNClob in interface ResultSet

Throws:

SQLException

getNCharacterStream

public Reader getNCharacterStream(int columnIndex)
                           throws SQLException

Specified by:

getNCharacterStream in interface ResultSet

Throws:

SQLException

getNCharacterStream

public Reader getNCharacterStream(String columnName)
                           throws SQLException

Specified by:

getNCharacterStream in interface ResultSet

Throws:

SQLException

getNClob

public NClob getNClob(int i)
               throws SQLException

Specified by:

getNClob in interface ResultSet

Throws:

SQLException

getNClob

public NClob getNClob(String colName)
               throws SQLException

Specified by:

getNClob in interface ResultSet

Throws:

SQLException

getNString

public String getNString(int columnIndex)
                  throws SQLException

Specified by:

getNString in interface ResultSet

Throws:

SQLException

getNString

public String getNString(String columnName)
                  throws SQLException

Specified by:

getNString in interface ResultSet

Throws:

SQLException

updateRowId

public void updateRowId(int columnIndex,
 RowId x)
                 throws SQLException

Specified by:

updateRowId in interface ResultSet

Throws:

SQLException

updateRowId

public void updateRowId(String columnName,
 RowId x)
                 throws SQLException

Specified by:

updateRowId in interface ResultSet

Throws:

SQLException

getSQLXML

public SQLXML getSQLXML(int columnIndex)
                 throws SQLException

Specified by:

getSQLXML in interface ResultSet

Throws:

SQLException

getSQLXML

public SQLXML getSQLXML(String colName)
                 throws SQLException

Specified by:

getSQLXML in interface ResultSet

Throws:

SQLException

updateSQLXML

public void updateSQLXML(int columnIndex,
 SQLXML xmlObject)
                  throws SQLException

Specified by:

updateSQLXML in interface ResultSet

Throws:

SQLException

updateSQLXML

public void updateSQLXML(String columnName,
 SQLXML xmlObject)
                  throws SQLException

Specified by:

updateSQLXML in interface ResultSet

Throws:

SQLException

isWrapperFor

public boolean isWrapperFor(Class<?> interfaces)
                     throws SQLException

Returns false unless interfaces is implemented

Specified by:

isWrapperFor in interface Wrapper

Parameters:

interfaces - a Class defining an interface.

Returns:

true if this implements the interface or directly or indirectly wraps an object that does.

Throws:

SQLException - if an error occurs while determining whether this is a wrapper for an object with the given interface.

unwrap

public <T> T unwrap(Class<T> interfaces)
             throws SQLException

Returns this if this class implements the interface

Specified by:

unwrap in interface Wrapper

Parameters:

interfaces - a Class defining an interface

Returns:

an object that implements the interface

Throws:

SQLException - if no object if found that implements the interface

updateNClob

public void updateNClob(int columnIndex,
 Reader x,
 long length)
                 throws SQLException

Updates the designated column using the given Reader object, which is the given number of characters long.

Specified by:

updateNClob in interface ResultSet

Parameters:

columnIndex - - the first column is 1, the second is 2

x - - the new column value

length - - the length of the stream

Throws:

SQLException - Feature not implemented for now.

updateNClob

public void updateNClob(String columnName,
 Reader x,
 long length)
                 throws SQLException

Updates the designated column using the given Reader object, which is the given number of characters long.

Specified by:

updateNClob in interface ResultSet

Parameters:

columnName - - the Name of the column to be updated

x - - the new column value

length - - the length of the stream

Throws:

SQLException - Feature not implemented for now.

getObject

public <T> T getObject(int columnIndex,
 Class<T> type)
                throws SQLException

Retrieve the column as an object of the desired type.

Specified by:

getObject in interface ResultSet

Throws:

SQLException

mismatchException

private SQLException mismatchException(String targetTypeName,
 int columnIndex)
                                throws SQLException

Throws:

SQLException

getObject

public <T> T getObject(String columnName,
 Class<T> type)
                throws SQLException

Specified by:

getObject in interface ResultSet

Throws:

SQLException

isNull

public boolean isNull(int columnIndex)
               throws SQLException

Description copied from interface: EngineResultSet

Is the designated columnIndex a null data value? This is used by EXTDTAInputStream to get the null value without retrieving the underlying data value.

Specified by:

isNull in interface EngineResultSet

Parameters:

columnIndex -

Returns:

true if the data value at columnIndex for the current row is null

Throws:

SQLException

getLength

public int getLength(int columnIndex)
              throws SQLException

Description copied from interface: EngineResultSet

Return the length of the designated columnIndex data value. Implementation is type dependent.

Specified by:

getLength in interface EngineResultSet

Parameters:

columnIndex - column to access

Returns:

length of data value

Throws:

SQLException

See Also:

• DataValueDescriptor.getLength()