Java 2 Platform SE v1.3: Interface ResultSet

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Java^TM 2 Platform
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java.sql
Interface ResultSet

public interface ResultSet

A table of data representing a database result set, which is usually generated by executing a statement that queries the database.

A ResultSet object maintains a cursor pointing to its current row of data. Initially the cursor is positioned before the first row. The next method moves the cursor to the next row, and because it returns false when there are no more rows in the ResultSet object, it can be used in a while loop to iterate through the result set.

A default ResultSet object is not updatable and has a cursor that moves forward only. Thus, it is possible to iterate through it only once and only from the first row to the last row. New methods in the JDBC 2.0 API make it possible to produce ResultSet objects that are scrollable and/or updatable. The following code fragment, in which con is a valid Connection object, illustrates how to make a result set that is scrollable and insensitive to updates by others, and that is updatable. See ResultSet fields for other options.


       Statement stmt = con.createStatement(
                                      ResultSet.TYPE_SCROLL_INSENSITIVE,
                                      ResultSet.CONCUR_UPDATABLE);
       ResultSet rs = stmt.executeQuery("SELECT a, b FROM TABLE2");
       // rs will be scrollable, will not show changes made by others,
       // and will be updatable

The ResultSet interface provides getXXX methods for retrieving column values from the current row. Values can be retrieved using either the index number of the column or the name of the column. In general, using the column index will be more efficient. Columns are numbered from 1. 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.

For the getXXX methods, a JDBC driver attempts to convert the underlying data to the Java type specified in the XXX part of the getXXX method and returns a suitable Java value. The JDBC specification has a table showing the allowable mappings from SQL types to Java types with the ResultSet.getXXX methods.

Column names used as input to getXXX methods are case insensitive. When a getXXX method is called with a column name and several columns have the same name, the value of the first matching column will be returned. The column name option is designed to be used when column names are used in the SQL query that generated the result set. For columns that are NOT explicitly named in the query, it is best to use column numbers. If column names are used, there is no way for the programmer to guarantee that they actually refer to the intended columns.

A set of updateXXX methods were added to this interface in the JDBC 2.0 API (Java^TM 2 SDK, Standard Edition, version 1.2). The comments regarding parameters to the getXXX methods also apply to parameters to the updateXXX methods.

The updateXXX methods may be used in two ways:

to update a column value in the current row. In a scrollable ResultSet object, the cursor can be moved backwards and forwards, to an absolute position, or to a position relative to the current row. The following code fragment updates the NAME column in the fifth row of the ResultSet object rs and then uses the method updateRow to update the data source table from which rs was derived.
```
       rs.absolute(5); // moves the cursor to the fifth row of rs
       rs.updateString("NAME", "AINSWORTH"); // updates the 
          // NAME column of row 5 to be AINSWORTH
       rs.updateRow(); // updates the row in the data source

 
```

to insert column values into the insert row. An updatable ResultSet object has a special row associated with it that serves as a staging area for building a row to be inserted. The following code fragment moves the cursor to the insert row, builds a three-column row, and inserts it into rs and into the data source table using the method insertRow.


       rs.moveToInsertRow(); // moves cursor to the insert row
       rs.updateString(1, "AINSWORTH"); // updates the 
          // first column of the insert row to be AINSWORTH
       rs.updateInt(2,35); // updates the second column to be 35
       rs.updateBoolean(3, true); // updates the third row to true
       rs.insertRow();
       rs.moveToCurrentRow();

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

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

See Also:: Statement.executeQuery(java.lang.String), Statement.getResultSet(), ResultSetMetaData

Field Summary

static int CONCUR_READ_ONLY
          The constant indicating the concurrency mode for a ResultSet object that may NOT be updated.

static int CONCUR_UPDATABLE
          The constant indicating the concurrency mode for a ResultSet object that may be updated.

static int FETCH_FORWARD
          The constant indicating that the rows in a result set will be processed in a forward direction; first-to-last.

static int FETCH_REVERSE
          The constant indicating that the rows in a result set will be processed in a reverse direction; last-to-first.

static int FETCH_UNKNOWN
          The constant indicating that the order in which rows in a result set will be processed is unknown.

static int TYPE_FORWARD_ONLY
          The constant indicating the type for a ResultSet object whose cursor may move only forward.

static int TYPE_SCROLL_INSENSITIVE
          The constant indicating the type for a ResultSet object that is scrollable but generally not sensitive to changes made by others.

static int TYPE_SCROLL_SENSITIVE
          The constant indicating the type for a ResultSet object that is scrollable and generally sensitive to changes made by others.

Method Summary

boolean absolute(int row)
          Moves the cursor to the given row number in this ResultSet object.

void afterLast()
          Moves the cursor to the end of this ResultSet object, just after the last row.

void beforeFirst()
          Moves the cursor to the front of this ResultSet object, just before the first row.

void cancelRowUpdates()
          Cancels the updates made to the current row in this ResultSet object.

void clearWarnings()
          Clears all warnings reported on this ResultSet object.

void close()
          Releases this ResultSet object's database and JDBC resources immediately instead of waiting for this to happen when it is automatically closed.

void deleteRow()
          Deletes the current row from this ResultSet object and from the underlying database.

int findColumn(String columnName)
          Maps the given ResultSet column name to its ResultSet column index.

boolean first()
          Moves the cursor to the first row in this ResultSet object.

Array getArray(int i)
          Returns the value of the designated column in the current row of this ResultSet object as an Array object in the Java programming language.

Array getArray(String colName)
          Returns the value of the designated column in the current row of this ResultSet object as an Array object in the Java programming language.

InputStream getAsciiStream(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as a stream of ASCII characters.

InputStream getAsciiStream(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as a stream of ASCII characters.

BigDecimal getBigDecimal(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as a java.math.BigDecimal with full precision.

BigDecimal getBigDecimal(int columnIndex, int scale)
          Deprecated.

BigDecimal getBigDecimal(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as a java.math.BigDecimal with full precision.

BigDecimal getBigDecimal(String columnName, int scale)
          Deprecated.

InputStream getBinaryStream(int columnIndex)
          Gets the value of a column in the current row as a stream of Gets the value of the designated column in the current row of this ResultSet object as a binary stream of uninterpreted bytes.

InputStream getBinaryStream(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as a stream of uninterpreted bytes.

Blob getBlob(int i)
          Returns the value of the designated column in the current row of this ResultSet object as a Blob object in the Java programming language.

Blob getBlob(String colName)
          Returns the value of the designated column in the current row of this ResultSet object as a Blob object in the Java programming language.

boolean getBoolean(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as a boolean in the Java programming language.

boolean getBoolean(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as a boolean in the Java programming language.

byte getByte(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as a byte in the Java programming language.

byte getByte(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as a byte in the Java programming language.

byte[] getBytes(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as a byte array in the Java programming language.

byte[] getBytes(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as a byte array in the Java programming language.

Reader getCharacterStream(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as a java.io.Reader object.

Reader getCharacterStream(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as a java.io.Reader object.

Clob getClob(int i)
          Returns the value of the designated column in the current row of this ResultSet object as a Clob object in the Java programming language.

Clob getClob(String colName)
          Returns the value of the designated column in the current row of this ResultSet object as a Clob object in the Java programming language.

int getConcurrency()
          Returns the concurrency mode of this ResultSet object.

String getCursorName()
          Gets the name of the SQL cursor used by this ResultSet object.

Date getDate(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as a java.sql.Date object in the Java programming language.

Date getDate(int columnIndex, Calendar cal)
          Returns the value of the designated column in the current row of this ResultSet object as a java.sql.Date object in the Java programming language.

Date getDate(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as a java.sql.Date object in the Java programming language.

Date getDate(String columnName, Calendar cal)
          Returns the value of the designated column in the current row of this ResultSet object as a java.sql.Date object in the Java programming language.

double getDouble(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as a double in the Java programming language.

double getDouble(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as a double in the Java programming language.

int getFetchDirection()
          Returns the fetch direction for this ResultSet object.

int getFetchSize()
          Returns the fetch size for this ResultSet object.

float getFloat(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as a float in the Java programming language.

float getFloat(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as a float in the Java programming language.

int getInt(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as an int in the Java programming language.

int getInt(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as an int in the Java programming language.

long getLong(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as a long in the Java programming language.

long getLong(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as a long in the Java programming language.

ResultSetMetaData getMetaData()
          Retrieves the number, types and properties of this ResultSet object's columns.

Object getObject(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as an Object in the Java programming language.

Object getObject(int i, Map map)
          Returns the value of the designated column in the current row of this ResultSet object as an Object in the Java programming language.

Object getObject(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as an Object in the Java programming language.

Object getObject(String colName, Map map)
          Returns the value of the designated column in the current row of this ResultSet object as an Object in the Java programming language.

Ref getRef(int i)
          Returns the value of the designated column in the current row of this ResultSet object as a Ref object in the Java programming language.

Ref getRef(String colName)
          Returns the value of the designated column in the current row of this ResultSet object as a Ref object in the Java programming language.

int getRow()
          Retrieves the current row number.

short getShort(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as a short in the Java programming language.

short getShort(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as a short in the Java programming language.

Statement getStatement()
          Returns the Statement object that produced this ResultSet object.

String getString(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as a String in the Java programming language.

String getString(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as a String in the Java programming language.

Time getTime(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as a java.sql.Time object in the Java programming language.

Time getTime(int columnIndex, Calendar cal)
          Returns the value of the designated column in the current row of this ResultSet object as a java.sql.Time object in the Java programming language.

Time getTime(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as a java.sql.Time object in the Java programming language.

Time getTime(String columnName, Calendar cal)
          Returns the value of the designated column in the current row of this ResultSet object as a java.sql.Time object in the Java programming language.

Timestamp getTimestamp(int columnIndex)
          Gets the value of the designated column in the current row of this ResultSet object as a java.sql.Timestamp object in the Java programming language.

Timestamp getTimestamp(int columnIndex, Calendar cal)
          Returns the value of the designated column in the current row of this ResultSet object as a java.sql.Timestamp object in the Java programming language.

Timestamp getTimestamp(String columnName)
          Gets the value of the designated column in the current row of this ResultSet object as a java.sql.Timestamp object.

Timestamp getTimestamp(String columnName, Calendar cal)
          Returns the value of the designated column in the current row of this ResultSet object as a java.sql.Timestamp object in the Java programming language.

int getType()
          Returns the type of this ResultSet object.

InputStream getUnicodeStream(int columnIndex)
          Deprecated. use getCharacterStream in place of getUnicodeStream

InputStream getUnicodeStream(String columnName)
          Deprecated.

SQLWarning getWarnings()
          Returns the first warning reported by calls on this ResultSet object.

void insertRow()
          Inserts the contents of the insert row into this ResultSet objaect and into the database.

boolean isAfterLast()
          Indicates whether the cursor is after the last row in this ResultSet object.

boolean isBeforeFirst()
          Indicates whether the cursor is before the first row in this ResultSet object.

boolean isFirst()
          Indicates whether the cursor is on the first row of this ResultSet object.

boolean isLast()
          Indicates whether the cursor is on the last row of this ResultSet object.

boolean last()
          Moves the cursor to the last row in this ResultSet object.

void moveToCurrentRow()
          Moves the cursor to the remembered cursor position, usually the current row.

void moveToInsertRow()
          Moves the cursor to the insert row.

boolean next()
          Moves the cursor down one row from its current position.

boolean previous()
          Moves the cursor to the previous row in this ResultSet object.

void refreshRow()
          Refreshes the current row with its most recent value in the database.

boolean relative(int rows)
          Moves the cursor a relative number of rows, either positive or negative.

boolean rowDeleted()
          Indicates whether a row has been deleted.

boolean rowInserted()
          Indicates whether the current row has had an insertion.

boolean rowUpdated()
          Indicates whether the current row has been updated.

void setFetchDirection(int direction)
          Gives a hint as to the direction in which the rows in this ResultSet object will be processed.

void setFetchSize(int rows)
          Gives 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 ResultSet object.

void updateAsciiStream(int columnIndex, InputStream x, int length)
          Updates the designated column with an ascii stream value.

void updateAsciiStream(String columnName, InputStream x, int length)
          Updates the designated column with an ascii stream value.

void updateBigDecimal(int columnIndex, BigDecimal x)
          Updates the designated column with a java.math.BigDecimal value.

void updateBigDecimal(String columnName, BigDecimal x)
          Updates the designated column with a java.sql.BigDecimal value.

void updateBinaryStream(int columnIndex, InputStream x, int length)
          Updates the designated column with a binary stream value.

void updateBinaryStream(String columnName, InputStream x, int length)
          Updates the designated column with a binary stream value.

void updateBoolean(int columnIndex, boolean x)
          Updates the designated column with a boolean value.

void updateBoolean(String columnName, boolean x)
          Updates the designated column with a boolean value.

void updateByte(int columnIndex, byte x)
          Updates the designated column with a byte value.

void updateByte(String columnName, byte x)
          Updates the designated column with a byte value.

void updateBytes(int columnIndex, byte[] x)
          Updates the designated column with a byte array value.

void updateBytes(String columnName, byte[] x)
          Updates the designated column with a boolean value.

void updateCharacterStream(int columnIndex, Reader x, int length)
          Updates the designated column with a character stream value.

void updateCharacterStream(String columnName, Reader reader, int length)
          Updates the designated column with a character stream value.

void updateDate(int columnIndex, Date x)
          Updates the designated column with a java.sql.Date value.

void updateDate(String columnName, Date x)
          Updates the designated column with a java.sql.Date value.

void updateDouble(int columnIndex, double x)
          Updates the designated column with a double value.

void updateDouble(String columnName, double x)
          Updates the designated column with a double value.

void updateFloat(int columnIndex, float x)
          Updates the designated column with a float value.

void updateFloat(String columnName, float x)
          Updates the designated column with a float value.

void updateInt(int columnIndex, int x)
          Updates the designated column with an int value.

void updateInt(String columnName, int x)
          Updates the designated column with an int value.

void updateLong(int columnIndex, long x)
          Updates the designated column with a long value.

void updateLong(String columnName, long x)
          Updates the designated column with a long value.

void updateNull(int columnIndex)
          Gives a nullable column a null value.

void updateNull(String columnName)
          Updates the designated column with a null value.

void updateObject(int columnIndex, Object x)
          Updates the designated column with an Object value.

void updateObject(int columnIndex, Object x, int scale)
          Updates the designated column with an Object value.

void updateObject(String columnName, Object x)
          Updates the designated column with an Object value.

void updateObject(String columnName, Object x, int scale)
          Updates the designated column with an Object value.

void updateRow()
          Updates the underlying database with the new contents of the current row of this ResultSet object.

void updateShort(int columnIndex, short x)
          Updates the designated column with a short value.

void updateShort(String columnName, short x)
          Updates the designated column with a short value.

void updateString(int columnIndex, String x)
          Updates the designated column with a String value.

void updateString(String columnName, String x)
          Updates the designated column with a String value.

void updateTime(int columnIndex, Time x)
          Updates the designated column with a java.sql.Time value.

void updateTime(String columnName, Time x)
          Updates the designated column with a java.sql.Time value.

void updateTimestamp(int columnIndex, Timestamp x)
          Updates the designated column with a java.sql.Timestamp value.

void updateTimestamp(String columnName, Timestamp x)
          Updates the designated column with a java.sql.Timestamp value.

boolean wasNull()
          Reports whether the last column read had a value of SQL NULL.

Field Detail

FETCH_FORWARD

public static final int FETCH_FORWARD

The constant indicating that the rows in a result set will be processed in a forward direction; first-to-last. This constant is used by the method setFetchDirection as a hint to the driver, which the driver may ignore.

See Also:: What Is in the JDBC 2.0 API
Since:: 1.2

FETCH_REVERSE

public static final int FETCH_REVERSE

The constant indicating that the rows in a result set will be processed in a reverse direction; last-to-first. This constant is used by the method setFetchDirection as a hint to the driver, which the driver may ignore.

See Also:: What Is in the JDBC 2.0 API
Since:: 1.2

FETCH_UNKNOWN

public static final int FETCH_UNKNOWN

The constant indicating that the order in which rows in a result set will be processed is unknown. This constant is used by the method setFetchDirection as a hint to the driver, which the driver may ignore.

TYPE_FORWARD_ONLY

public static final int TYPE_FORWARD_ONLY

The constant indicating the type for a ResultSet object whose cursor may move only forward.

See Also:: What Is in the JDBC 2.0 API
Since:: 1.2

TYPE_SCROLL_INSENSITIVE

public static final int TYPE_SCROLL_INSENSITIVE

The constant indicating the type for a ResultSet object that is scrollable but generally not sensitive to changes made by others.

See Also:: What Is in the JDBC 2.0 API
Since:: 1.2

TYPE_SCROLL_SENSITIVE

public static final int TYPE_SCROLL_SENSITIVE

The constant indicating the type for a ResultSet object that is scrollable and generally sensitive to changes made by others.

See Also:: What Is in the JDBC 2.0 API
Since:: 1.2

CONCUR_READ_ONLY

public static final int CONCUR_READ_ONLY

The constant indicating the concurrency mode for a ResultSet object that may NOT be updated.

See Also:: What Is in the JDBC 2.0 API
Since:: 1.2

CONCUR_UPDATABLE

public static final int CONCUR_UPDATABLE

The constant indicating the concurrency mode for a ResultSet object that may be updated.

See Also:: What Is in the JDBC 2.0 API
Since:: 1.2

Method Detail

public boolean next()
             throws SQLException

Moves the cursor down one row from its current position. A ResultSet cursor is initially positioned before the first row; the first call to the method next makes the first row the current row; the second call makes the second row the current row, and so on.

If an input stream is open for the current row, a call to the method next will implicitly close it. A ResultSet object's warning chain is cleared when a new row is read.

Returns:: true if the new current row is valid; false if there are no more rows
Throws:: SQLException - if a database access error occurs

close

public void close()
           throws SQLException

Releases this ResultSet object's database and JDBC resources immediately instead of waiting for this to happen when it is automatically closed.

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

Throws:: SQLException - if a database access error occurs

wasNull

public boolean wasNull()
                throws SQLException

Reports whether the last column read had a value of SQL NULL. Note that you must first call one of the getXXX methods on a column to try to read its value and then call the method wasNull to see if the value read was SQL NULL.

Returns:: true if the last column value read was SQL NULL and false otherwise
Throws:: SQLException - if a database access error occurs

getString

public String getString(int columnIndex)
                 throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a String in the Java programming language.

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Returns:: the column value; if the value is SQL NULL, the value returned is null
Throws:: SQLException - if a database access error occurs

getBoolean

public boolean getBoolean(int columnIndex)
                   throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a boolean in the Java programming language.

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Returns:: the column value; if the value is SQL NULL, the value returned is false
Throws:: SQLException - if a database access error occurs

getByte

public byte getByte(int columnIndex)
             throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a byte in the Java programming language.

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Returns:: the column value; if the value is SQL NULL, the value returned is 0
Throws:: SQLException - if a database access error occurs

getShort

public short getShort(int columnIndex)
               throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a short in the Java programming language.

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Returns:: the column value; if the value is SQL NULL, the value returned is 0
Throws:: SQLException - if a database access error occurs

getInt

public int getInt(int columnIndex)
           throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as an int in the Java programming language.

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Returns:: the column value; if the value is SQL NULL, the value returned is 0
Throws:: SQLException - if a database access error occurs

getLong

public long getLong(int columnIndex)
             throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a long in the Java programming language.

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Returns:: the column value; if the value is SQL NULL, the value returned is 0
Throws:: SQLException - if a database access error occurs

getFloat

public float getFloat(int columnIndex)
               throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a float in the Java programming language.

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Returns:: the column value; if the value is SQL NULL, the value returned is 0
Throws:: SQLException - if a database access error occurs

getDouble

public double getDouble(int columnIndex)
                 throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a double in the Java programming language.

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Returns:: the column value; if the value is SQL NULL, the value returned is 0
Throws:: SQLException - if a database access error occurs

getBigDecimal

public BigDecimal getBigDecimal(int columnIndex,
                                int scale)
                         throws SQLException

Deprecated.

Gets the value of the designated column in the current row of this ResultSet object as a java.sql.BigDecimal in the Java programming language.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; scale - the number of digits to the right of the decimal point
Returns:: the column value; if the value is SQL NULL, the value returned is null
Throws:: SQLException - if a database access error occurs

getBytes

public byte[] getBytes(int columnIndex)
                throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a byte array in the Java programming language. The bytes represent the raw values returned by the driver.

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Returns:: the column value; if the value is SQL NULL, the value returned is null
Throws:: SQLException - if a database access error occurs

getDate

public Date getDate(int columnIndex)
             throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a java.sql.Date object in the Java programming language.

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Returns:: the column value; if the value is SQL NULL, the value returned is null
Throws:: SQLException - if a database access error occurs

getTime

public Time getTime(int columnIndex)
             throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a java.sql.Time object in the Java programming language.

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Returns:: the column value; if the value is SQL NULL, the value returned is null
Throws:: SQLException - if a database access error occurs

getTimestamp

public Timestamp getTimestamp(int columnIndex)
                       throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a java.sql.Timestamp object in the Java programming language.

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Returns:: the column value; if the value is SQL NULL, the value returned is null
Throws:: SQLException - if a database access error occurs

getAsciiStream

public InputStream getAsciiStream(int columnIndex)
                           throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a stream of ASCII characters. The value can then be 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 getXXX method implicitly closes the stream. Also, a stream may return 0 when the method InputStream.available is called whether there is data available or not.

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, the value returned is null
Throws:: SQLException - if a database access error occurs

getUnicodeStream

public InputStream getUnicodeStream(int columnIndex)
                             throws SQLException

Deprecated. use getCharacterStream in place of getUnicodeStream

Gets the value of a column in the current row as a stream of Gets the value of the designated column in the current row of this ResultSet object as as a stream of Unicode characters. The value can then be read in chunks from the stream. This method is particularly suitable for retrieving largeLONGVARCHARvalues. The JDBC driver will do any necessary conversion from the database format into Unicode. The byte format of the Unicode stream must be Java UTF-8, as specified in the Java virtual machine specification.

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 in Java UTF-8 byte format; if the value is SQL NULL, the value returned is null
Throws:: SQLException - if a database access error occurs

getBinaryStream

public InputStream getBinaryStream(int columnIndex)
                            throws SQLException

Gets the value of a column in the current row as a stream of Gets the value of the designated column in the current row of this ResultSet object as a binary stream of uninterpreted bytes. The value can then be read in chunks from the stream. This method is particularly suitable for retrieving large LONGVARBINARY values.

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, the value returned is null
Throws:: SQLException - if a database access error occurs

getString

public String getString(String columnName)
                 throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a String in the Java programming language.

Parameters:: columnName - the SQL name of the column
Returns:: the column value; if the value is SQL NULL, the value returned is null
Throws:: SQLException - if a database access error occurs

getBoolean

public boolean getBoolean(String columnName)
                   throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a boolean in the Java programming language.

Parameters:: columnName - the SQL name of the column
Returns:: the column value; if the value is SQL NULL, the value returned is false
Throws:: SQLException - if a database access error occurs

getByte

public byte getByte(String columnName)
             throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a byte in the Java programming language.

Parameters:: columnName - the SQL name of the column
Returns:: the column value; if the value is SQL NULL, the value returned is 0
Throws:: SQLException - if a database access error occurs

getShort

public short getShort(String columnName)
               throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a short in the Java programming language.

Parameters:: columnName - the SQL name of the column
Returns:: the column value; if the value is SQL NULL, the value returned is 0
Throws:: SQLException - if a database access error occurs

getInt

public int getInt(String columnName)
           throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as an int in the Java programming language.

Parameters:: columnName - the SQL name of the column
Returns:: the column value; if the value is SQL NULL, the value returned is 0
Throws:: SQLException - if a database access error occurs

getLong

public long getLong(String columnName)
             throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a long in the Java programming language.

Parameters:: columnName - the SQL name of the column
Returns:: the column value; if the value is SQL NULL, the value returned is 0
Throws:: SQLException - if a database access error occurs

getFloat

public float getFloat(String columnName)
               throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a float in the Java programming language.

Parameters:: columnName - the SQL name of the column
Returns:: the column value; if the value is SQL NULL, the value returned is 0
Throws:: SQLException - if a database access error occurs

getDouble

public double getDouble(String columnName)
                 throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a double in the Java programming language.

Parameters:: columnName - the SQL name of the column
Returns:: the column value; if the value is SQL NULL, the value returned is 0
Throws:: SQLException - if a database access error occurs

getBigDecimal

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

Deprecated.

Gets the value of the designated column in the current row of this ResultSet object as a java.math.BigDecimal in the Java programming language.

Parameters:: columnName - the SQL name of the column; scale - the number of digits to the right of the decimal point
Returns:: the column value; if the value is SQL NULL, the value returned is null
Throws:: SQLException - if a database access error occurs

getBytes

public byte[] getBytes(String columnName)
                throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a byte array in the Java programming language. The bytes represent the raw values returned by the driver.

Parameters:: columnName - the SQL name of the column
Returns:: the column value; if the value is SQL NULL, the value returned is null
Throws:: SQLException - if a database access error occurs

getDate

public Date getDate(String columnName)
             throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a java.sql.Date object in the Java programming language.

Parameters:: columnName - the SQL name of the column
Returns:: the column value; if the value is SQL NULL, the value returned is null
Throws:: SQLException - if a database access error occurs

getTime

public Time getTime(String columnName)
             throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a java.sql.Time object in the Java programming language.

Parameters:: columnName - the SQL name of the column
Returns:: the column value; if the value is SQL NULL, the value returned is null
Throws:: SQLException - if a database access error occurs

getTimestamp

public Timestamp getTimestamp(String columnName)
                       throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a java.sql.Timestamp object.

Parameters:: columnName - the SQL name of the column
Returns:: the column value; if the value is SQL NULL, the value returned is null
Throws:: SQLException - if a database access error occurs

getAsciiStream

public InputStream getAsciiStream(String columnName)
                           throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a stream of ASCII characters. The value can then be 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 getXXX method implicitly closes the stream. Also, a stream may return 0 when the method available is called whether there is data available or not.

Parameters:: columnName - 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, the value returned is null.
Throws:: SQLException - if a database access error occurs

getUnicodeStream

public InputStream getUnicodeStream(String columnName)
                             throws SQLException

Deprecated.

Gets the value of the designated column in the current row of this ResultSet object as a stream of Unicode characters. The value can then be 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 Unicode. The byte format of the Unicode stream must be Java UTF-8, as defined in the Java virtual machine specification.

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 getXXX method implicitly closes the stream. Also, a stream may return 0 when the method available is called whether there is data available or not.

Parameters:: columnName - the SQL name of the column
Returns:: a Java input stream that delivers the database column value as a stream of two-byte Unicode characters. If the value is SQL NULL, the value returned is null.
Throws:: SQLException - if a database access error occurs

getBinaryStream

public InputStream getBinaryStream(String columnName)
                            throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a stream of uninterpreted bytes. The value can then be 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 getXXX method implicitly closes the stream. Also, a stream may return 0 when the method available is called whether there is data available or not.

Parameters:: columnName - 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, the result is null
Throws:: SQLException - if a database access error occurs

getWarnings

public SQLWarning getWarnings()
                       throws SQLException

Returns the first warning reported by calls on this ResultSet object. Subsequent warnings on this ResultSet object will be chained to the SQLWarning object that this method returns.

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.

Returns:: the first SQLWarning object reported or null
Throws:: SQLException - if a database access error occurs

clearWarnings

public void clearWarnings()
                   throws SQLException

Clears all warnings reported on this ResultSet object. After this method is called, the method getWarnings returns null until a new warning is reported for this ResultSet object.

Throws:: SQLException - if a database access error occurs

getCursorName

public String getCursorName()
                     throws SQLException

Gets the name of the SQL cursor used by this ResultSet object.

In SQL, a result table is retrieved through a cursor that is named. The current row of a result set can be updated or deleted using a positioned update/delete statement that references the cursor name. To insure that the cursor has the proper isolation level to support update, the cursor's select statement should be of the form 'select for update'. If the 'for update' clause is omitted, the positioned updates may fail.

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

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

Returns:: the SQL name for this ResultSet object's cursor
Throws:: SQLException - if a database access error occurs

getMetaData

public ResultSetMetaData getMetaData()
                              throws SQLException

Retrieves the number, types and properties of this ResultSet object's columns.

Returns:: the description of this ResultSet object's columns
Throws:: SQLException - if a database access error occurs

getObject

public Object getObject(int columnIndex)
                 throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as an Object in the Java programming language.

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 for built-in types specified in the JDBC specification.

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

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Returns:: a java.lang.Object holding the column value
Throws:: SQLException - if a database access error occurs

getObject

public Object getObject(String columnName)
                 throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as an Object in the Java programming language.

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

Parameters:: columnName - the SQL name of the column
Returns:: a java.lang.Object holding the column value
Throws:: SQLException - if a database access error occurs

findColumn

public int findColumn(String columnName)
               throws SQLException

Maps the given ResultSet column name to its ResultSet column index.

Parameters:: columnName - the name of the column
Returns:: the column index of the given column name
Throws:: SQLException - if a database access error occurs

getCharacterStream

public Reader getCharacterStream(int columnIndex)
                          throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a java.io.Reader object.

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Returns:: a java.io.Reader object that contains the column value; if the value is SQL NULL, the value returned is null in the Java programming language.
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getCharacterStream

public Reader getCharacterStream(String columnName)
                          throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a java.io.Reader object.

Parameters:: columnName - the name of the column
Returns:: a java.io.Reader object that contains the column value; if the value is SQL NULL, the value returned is null in the Java programming language.
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getBigDecimal

public BigDecimal getBigDecimal(int columnIndex)
                         throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a java.math.BigDecimal with full precision.

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Returns:: the column value (full precision); if the value is SQL NULL, the value returned is null in the Java programming language.
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getBigDecimal

public BigDecimal getBigDecimal(String columnName)
                         throws SQLException

Gets the value of the designated column in the current row of this ResultSet object as a java.math.BigDecimal with full precision.

Parameters:: columnName - the column name
Returns:: the column value (full precision); if the value is SQL NULL, the value returned is null in the Java programming language.
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

isBeforeFirst

public boolean isBeforeFirst()
                      throws SQLException

Indicates whether the cursor is before the first row in this ResultSet object.

Returns:: true if the cursor is before the first row; false if the cursor is at any other position or the result set contains no rows
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

isAfterLast

public boolean isAfterLast()
                    throws SQLException

Indicates whether the cursor is after the last row in this ResultSet object.

Returns:: true if the cursor is after the last row; false if the cursor is at any other position or the result set contains no rows
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

isFirst

public boolean isFirst()
                throws SQLException

Indicates whether the cursor is on the first row of this ResultSet object.

Returns:: true if the cursor is on the first row; false otherwise
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

isLast

public boolean isLast()
               throws SQLException

Indicates whether the cursor is on the last row of this ResultSet object. Note: Calling the method isLast may be expensive because 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.

Returns:: true if the cursor is on the last row; false otherwise
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

beforeFirst

public void beforeFirst()
                 throws SQLException

Moves the cursor to the front of this ResultSet object, just before the first row. This method has no effect if the result set contains no rows.

Throws:: SQLException - if a database access error occurs or the result set type is TYPE_FORWARD_ONLY
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

afterLast

public void afterLast()
               throws SQLException

Moves the cursor to the end of this ResultSet object, just after the last row. This method has no effect if the result set contains no rows.

Throws:: SQLException - if a database access error occurs or the result set type is TYPE_FORWARD_ONLY
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

first

public boolean first()
              throws SQLException

Moves the cursor to the first row in this ResultSet object.

Returns:: true if the cursor is on a valid row; false if there are no rows in the result set
Throws:: SQLException - if a database access error occurs or the result set type is TYPE_FORWARD_ONLY
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

last

public boolean last()
             throws SQLException

Moves the cursor to the last row in this ResultSet object.

Returns:: true if the cursor is on a valid row; false if there are no rows in the result set
Throws:: SQLException - if a database access error occurs or the result set type is TYPE_FORWARD_ONLY
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getRow

public int getRow()
           throws SQLException

Retrieves the current row number. The first row is number 1, the second number 2, and so on.

Returns:: the current row number; 0 if there is no current row
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

absolute

public boolean absolute(int row)
                 throws SQLException

Moves the cursor to the given row number in this ResultSet object.

If the row number is positive, the cursor moves to the given row number with respect to the beginning of the result set. The first row is row 1, the second is row 2, and so on.

If the given row number is negative, the cursor moves to an absolute row position with respect to the end of the result set. For example, calling the method absolute(-1) positions the cursor on the last row; calling the method absolute(-2) moves the cursor to the next-to-last row, and so on.

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

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

Returns:: true if the cursor is on the result set; false otherwise
Throws:: SQLException - if a database access error occurs, the row is 0, or the result set type is TYPE_FORWARD_ONLY
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

relative

public boolean relative(int rows)
                 throws SQLException

Moves the cursor 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 the method relative(1) is different from calling the method next() because 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.

Returns:: true if the cursor is on a row; false otherwise
Throws:: SQLException - if a database access error occurs, there is no current row, or the result set type is TYPE_FORWARD_ONLY
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

public boolean previous()
                 throws SQLException

Moves the cursor to the previous row in this ResultSet object.

Note: Calling the method previous() is not the same as calling the method relative(-1) because it makes sense to callprevious() when there is no current row.

Returns:: true if the cursor is on a valid row; false if it is off the result set
Throws:: SQLException - if a database access error occurs or the result set type is TYPE_FORWARD_ONLY
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

setFetchDirection

public void setFetchDirection(int direction)
                       throws SQLException

Gives a hint as to the direction in which the rows in this ResultSet object will be processed. The initial value is determined by the Statement object that produced this ResultSet object. The fetch direction may be changed at any time.

Throws:: SQLException - if a database access error occurs or the result set type is TYPE_FORWARD_ONLY and the fetch direction is not FETCH_FORWARD
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API, Statement.setFetchDirection(int)

getFetchDirection

public int getFetchDirection()
                      throws SQLException

Returns the fetch direction for this ResultSet object.

Returns:: the current fetch direction for this ResultSet object
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

setFetchSize

public void setFetchSize(int rows)
                  throws SQLException

Gives 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 ResultSet object. If the fetch size specified is zero, 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 object that created the result set. The fetch size may be changed at any time.

Parameters:: rows - the number of rows to fetch
Throws:: SQLException - if a database access error occurs or the condition 0 <= rows <= this.getMaxRows() is not satisfied
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getFetchSize

public int getFetchSize()
                 throws SQLException

Returns the fetch size for this ResultSet object.

Returns:: the current fetch size for this ResultSet object
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getType

public int getType()
            throws SQLException

Returns the type of this ResultSet object. The type is determined by the Statement object that created the result set.

Returns:: TYPE_FORWARD_ONLY, TYPE_SCROLL_INSENSITIVE, or TYPE_SCROLL_SENSITIVE
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getConcurrency

public int getConcurrency()
                   throws SQLException

Returns the concurrency mode of this ResultSet object. The concurrency used is determined by the Statement object that created the result set.

Returns:: the concurrency type, either CONCUR_READ_ONLY or CONCUR_UPDATABLE
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

rowUpdated

public boolean rowUpdated()
                   throws SQLException

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

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
Since:: 1.2
See Also:: DatabaseMetaData.updatesAreDetected(int), What Is in the JDBC 2.0 API

rowInserted

public boolean rowInserted()
                    throws SQLException

Indicates whether the current row has had an insertion. The value returned depends on whether or not this ResultSet object can detect visible inserts.

Returns:: true if a row has had an insertion and insertions are detected; false otherwise
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: DatabaseMetaData.insertsAreDetected(int), What Is in the JDBC 2.0 API

rowDeleted

public boolean rowDeleted()
                   throws SQLException

Indicates whether a 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 this ResultSet object can detect deletions.

Returns:: true if a row was deleted and deletions are detected; false otherwise
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: DatabaseMetaData.deletesAreDetected(int), What Is in the JDBC 2.0 API

updateNull

public void updateNull(int columnIndex)
                throws SQLException

Gives 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.

Parameters:: columnIndex - the first column is 1, the second is 2, ...
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateBoolean

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

Parameters:: columnIndex - the first column is 1, the second is 2, ...; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateByte

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

Updates the designated 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.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateShort

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

Updates the designated 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.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateInt

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

Updates the designated column with an int 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.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateLong

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

Updates the designated 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.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateFloat

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

Updates the designated 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.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateDouble

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

Updates the designated 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.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateBigDecimal

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

Updates the designated column with a java.math.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.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateString

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

Updates the designated 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.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateBytes

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

Updates the designated 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.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateDate

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

Updates the designated column with a java.sql.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.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateTime

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

Updates the designated column with a java.sql.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.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateTimestamp

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

Updates the designated column with a java.sql.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.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateAsciiStream

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

Updates the designated 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.

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
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateBinaryStream

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

Updates the designated 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.

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
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateCharacterStream

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

Updates the designated 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.

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
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateObject

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

Updates the designated 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.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; x - the new column value; scale - for java.sql.Types.DECIMA or java.sql.Types.NUMERIC types, this is the number of digits after the decimal point. For all other types this value will be ignored.
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateObject

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

Parameters:: columnIndex - the first column is 1, the second is 2, ...; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateNull

public void updateNull(String columnName)
                throws SQLException

Updates the designated 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.

Parameters:: columnName - the name of the column
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateBoolean

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

Parameters:: columnName - the name of the column; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateByte

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

Parameters:: columnName - the name of the column; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateShort

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

Parameters:: columnName - the name of the column; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateInt

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

Parameters:: columnName - the name of the column; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateLong

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

Parameters:: columnName - the name of the column; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateFloat

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

Parameters:: columnName - the name of the column; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateDouble

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

Parameters:: columnName - the name of the column; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateBigDecimal

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

Updates the designated column with a java.sql.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.

Parameters:: columnName - the name of the column; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateString

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

Parameters:: columnName - the name of the column; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateBytes

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

Updates the designated 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. JDBC 2.0 Updates 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.

Parameters:: columnName - the name of the column; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateDate

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

Parameters:: columnName - the name of the column; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateTime

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

Parameters:: columnName - the name of the column; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateTimestamp

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

Parameters:: columnName - the name of the column; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateAsciiStream

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

Parameters:: columnName - the name of the column; x - the new column value; length - the length of the stream
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateBinaryStream

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

Parameters:: columnName - the name of the column; x - the new column value; length - the length of the stream
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateCharacterStream

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

Parameters:: columnName - the name of the column; x - the new column value; length - the length of the stream
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateObject

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

Parameters:: columnName - the name of the column; x - the new column value; scale - for java.sql.Types.DECIMA or java.sql.Types.NUMERIC types, this is the number of digits after the decimal point. For all other types this value will be ignored.
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateObject

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

Parameters:: columnName - the name of the column; x - the new column value
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

insertRow

public void insertRow()
               throws SQLException

Inserts the contents of the insert row into this ResultSet objaect and into the database. The cursor must be on the insert row when this method is called.

Throws:: SQLException - if a database access error occurs, if this method is called when the cursor is not on the insert row, or if not all of non-nullable columns in the insert row have been given a value
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

updateRow

public void updateRow()
               throws SQLException

Updates the underlying database with the new contents of the current row of this ResultSet object. This method cannot be called when the cursor is on the insert row.

Throws:: SQLException - if a database access error occurs or if this method is called when the cursor is on the insert row
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

deleteRow

public void deleteRow()
               throws SQLException

Deletes the current row from this ResultSet object and from the underlying database. This method cannot be called when the cursor is on the insert row.

Throws:: SQLException - if a database access error occurs or if this method is called when the cursor is on the insert row
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

refreshRow

public void refreshRow()
                throws SQLException

Refreshes the current row with its most recent value in the database. This method cannot be called when the cursor is 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 an updateXXX method, but before calling the method updateRow, then the updates made to the row are lost. Calling the method refreshRow frequently will likely slow performance.

Throws:: SQLException - if a database access error occurs or if this method is called when the cursor is on the insert row
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

cancelRowUpdates

public void cancelRowUpdates()
                      throws SQLException

Cancels the updates made to the current row in this ResultSet object. This method may be called after calling an updateXXX method(s) and before calling the method updateRow to roll back the updates made to a row. If no updates have been made or updateRow has already been called, this method has no effect.

Throws:: SQLException - if a database access error occurs or if this method is called when the cursor is on the insert row
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

moveToInsertRow

public void moveToInsertRow()
                     throws SQLException

Moves the cursor 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. An updateXXX method must be called before a getXXX method can be called on a column value.

Throws:: SQLException - if a database access error occurs or the result set is not updatable
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

moveToCurrentRow

public void moveToCurrentRow()
                      throws SQLException

Moves the cursor to the remembered cursor position, usually the current row. This method has no effect if the cursor is not on the insert row.

Throws:: SQLException - if a database access error occurs or the result set is not updatable
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getStatement

public Statement getStatement()
                       throws SQLException

Returns the Statement object that produced this ResultSet object. If the result set was generated some other way, such as by a DatabaseMetaData method, this method returns null.

Returns:: the Statment object that produced this ResultSet object or null if the result set was produced some other way
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getObject

public Object getObject(int i,
                        Map map)
                 throws SQLException

Returns the value of the designated column in the current row of this ResultSet object as an Object in the Java programming language. This method uses the given Map object for the custom mapping of the SQL structured or distinct type that is being retrieved.

Parameters:: i - the first column is 1, the second is 2, ...; map - a java.util.Map object that contains the mapping from SQL type names to classes in the Java programming language
Returns:: an Object in the Java programming language representing the SQL value
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getRef

public Ref getRef(int i)
           throws SQLException

Returns the value of the designated column in the current row of this ResultSet object as a Ref object in the Java programming language.

Parameters:: i - the first column is 1, the second is 2, ...
Returns:: a Ref object representing an SQL REF value
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getBlob

public Blob getBlob(int i)
             throws SQLException

Returns the value of the designated column in the current row of this ResultSet object as a Blob object in the Java programming language.

Parameters:: i - the first column is 1, the second is 2, ...
Returns:: a Blob object representing the SQL BLOB value in the specified column
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getClob

public Clob getClob(int i)
             throws SQLException

Returns the value of the designated column in the current row of this ResultSet object as a Clob object in the Java programming language.

Parameters:: i - the first column is 1, the second is 2, ...
Returns:: a Clob object representing the SQL CLOB value in the specified column
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getArray

public Array getArray(int i)
               throws SQLException

Returns the value of the designated column in the current row of this ResultSet object as an Array object in the Java programming language.

Parameters:: i - the first column is 1, the second is 2, ...
Returns:: an Array object representing the SQL ARRAY value in the specified column
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getObject

public Object getObject(String colName,
                        Map map)
                 throws SQLException

Returns the value of the designated column in the current row of this ResultSet object as an Object in the Java programming language. This method uses the specified Map object for custom mapping if appropriate.

Parameters:: colName - the name of the column from which to retrieve the value; map - a java.util.Map object that contains the mapping from SQL type names to classes in the Java programming language
Returns:: an Object representing the SQL value in the specified column
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getRef

public Ref getRef(String colName)
           throws SQLException

Returns the value of the designated column in the current row of this ResultSet object as a Ref object in the Java programming language.

Parameters:: colName - the column name
Returns:: a Ref object representing the SQL REF value in the specified column
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getBlob

public Blob getBlob(String colName)
             throws SQLException

Returns the value of the designated column in the current row of this ResultSet object as a Blob object in the Java programming language.

Parameters:: colName - the name of the column from which to retrieve the value
Returns:: a Blob object representing the SQL BLOB value in the specified column
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getClob

public Clob getClob(String colName)
             throws SQLException

Returns the value of the designated column in the current row of this ResultSet object as a Clob object in the Java programming language.

Parameters:: colName - the name of the column from which to retrieve the value
Returns:: a Clob object representing the SQL CLOB value in the specified column
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getArray

public Array getArray(String colName)
               throws SQLException

Returns the value of the designated column in the current row of this ResultSet object as an Array object in the Java programming language.

Parameters:: colName - the name of the column from which to retrieve the value
Returns:: an Array object representing the SQL ARRAY value in the specified column
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getDate

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

Returns the value of the designated column in the current row of this ResultSet object as a java.sql.Date object in the Java programming language. This method uses the given calendar to construct an appropriate millisecond value for the date if the underlying database does not store timezone information.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; cal - the java.util.Calendar object to use in constructing the date
Returns:: the column value as a java.sql.Date object; if the value is SQL NULL, the value returned is null in the Java programming language
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getDate

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

Parameters:: columnName - the SQL name of the column from which to retrieve the value; cal - the java.util.Calendar object to use in constructing the date
Returns:: the column value as a java.sql.Date object; if the value is SQL NULL, the value returned is null in the Java programming language
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getTime

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

Returns the value of the designated column in the current row of this ResultSet object as a java.sql.Time object in the Java programming language. This method uses the given calendar to construct an appropriate millisecond value for the time if the underlying database does not store timezone information.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; cal - the java.util.Calendar object to use in constructing the time
Returns:: the column value as a java.sql.Time object; if the value is SQL NULL, the value returned is null in the Java programming language
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getTime

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

Parameters:: columnName - the SQL name of the column; cal - the java.util.Calendar object to use in constructing the time; cal - the calendar to use in constructing the time
Returns:: the column value as a java.sql.Time object; if the value is SQL NULL, the value returned is null in the Java programming language
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getTimestamp

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

Returns the value of the designated column in the current row of this ResultSet object as a java.sql.Timestamp object in the Java programming language. This method uses the given calendar to construct an appropriate millisecond value for the timestamp if the underlying database does not store timezone information.

Parameters:: columnIndex - the first column is 1, the second is 2, ...; cal - the java.util.Calendar object to use in constructing the timestamp
Returns:: the column value as a java.sql.Timestamp object; if the value is SQL NULL, the value returned is null in the Java programming language
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

getTimestamp

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

Parameters:: columnName - the SQL name of the column; cal - the java.util.Calendar object to use in constructing the date
Returns:: the column value as a java.sql.Timestamp object; if the value is SQL NULL, the value returned is null in the Java programming language
Throws:: SQLException - if a database access error occurs
Since:: 1.2
See Also:: What Is in the JDBC 2.0 API

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Java, Java 2D, and JDBC are trademarks or registered trademarks of Sun Microsystems, Inc. in the US and other countries.
Copyright 1993-2000 Sun Microsystems, Inc. 901 San Antonio Road
Palo Alto, California, 94303, U.S.A. All Rights Reserved.

Field Summary
`static int`	`CONCUR_READ_ONLY` The constant indicating the concurrency mode for a `ResultSet` object that may NOT be updated.
`static int`	`CONCUR_UPDATABLE` The constant indicating the concurrency mode for a `ResultSet` object that may be updated.
`static int`	`FETCH_FORWARD` The constant indicating that the rows in a result set will be processed in a forward direction; first-to-last.
`static int`	`FETCH_REVERSE` The constant indicating that the rows in a result set will be processed in a reverse direction; last-to-first.
`static int`	`FETCH_UNKNOWN` The constant indicating that the order in which rows in a result set will be processed is unknown.
`static int`	`TYPE_FORWARD_ONLY` The constant indicating the type for a `ResultSet` object whose cursor may move only forward.
`static int`	`TYPE_SCROLL_INSENSITIVE` The constant indicating the type for a `ResultSet` object that is scrollable but generally not sensitive to changes made by others.
`static int`	`TYPE_SCROLL_SENSITIVE` The constant indicating the type for a `ResultSet` object that is scrollable and generally sensitive to changes made by others.

Method Summary
`boolean`	`absolute(int row)` Moves the cursor to the given row number in this `ResultSet` object.
`void`	`afterLast()` Moves the cursor to the end of this `ResultSet` object, just after the last row.
`void`	`beforeFirst()` Moves the cursor to the front of this `ResultSet` object, just before the first row.
`void`	`cancelRowUpdates()` Cancels the updates made to the current row in this `ResultSet` object.
`void`	`clearWarnings()` Clears all warnings reported on this `ResultSet` object.
`void`	`close()` Releases this `ResultSet` object's database and JDBC resources immediately instead of waiting for this to happen when it is automatically closed.
`void`	`deleteRow()` Deletes the current row from this `ResultSet` object and from the underlying database.
`int`	`findColumn(String columnName)` Maps the given `ResultSet` column name to its `ResultSet` column index.
`boolean`	`first()` Moves the cursor to the first row in this `ResultSet` object.
`Array`	`getArray(int i)` Returns the value of the designated column in the current row of this `ResultSet` object as an `Array` object in the Java programming language.
`Array`	`getArray(String colName)` Returns the value of the designated column in the current row of this `ResultSet` object as an `Array` object in the Java programming language.
`InputStream`	`getAsciiStream(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as a stream of ASCII characters.
`InputStream`	`getAsciiStream(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as a stream of ASCII characters.
`BigDecimal`	`getBigDecimal(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as a `java.math.BigDecimal` with full precision.
`BigDecimal`	`getBigDecimal(int columnIndex, int scale)` Deprecated.
`BigDecimal`	`getBigDecimal(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as a `java.math.BigDecimal` with full precision.
`BigDecimal`	`getBigDecimal(String columnName, int scale)` Deprecated.
`InputStream`	`getBinaryStream(int columnIndex)` Gets the value of a column in the current row as a stream of Gets the value of the designated column in the current row of this `ResultSet` object as a binary stream of uninterpreted bytes.
`InputStream`	`getBinaryStream(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as a stream of uninterpreted `byte`s.
`Blob`	`getBlob(int i)` Returns the value of the designated column in the current row of this `ResultSet` object as a `Blob` object in the Java programming language.
`Blob`	`getBlob(String colName)` Returns the value of the designated column in the current row of this `ResultSet` object as a `Blob` object in the Java programming language.
`boolean`	`getBoolean(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as a `boolean` in the Java programming language.
`boolean`	`getBoolean(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as a `boolean` in the Java programming language.
`byte`	`getByte(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as a `byte` in the Java programming language.
`byte`	`getByte(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as a `byte` in the Java programming language.
`byte[]`	`getBytes(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as a `byte` array in the Java programming language.
`byte[]`	`getBytes(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as a `byte` array in the Java programming language.
`Reader`	`getCharacterStream(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as a `java.io.Reader` object.
`Reader`	`getCharacterStream(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as a `java.io.Reader` object.
`Clob`	`getClob(int i)` Returns the value of the designated column in the current row of this `ResultSet` object as a `Clob` object in the Java programming language.
`Clob`	`getClob(String colName)` Returns the value of the designated column in the current row of this `ResultSet` object as a `Clob` object in the Java programming language.
`int`	`getConcurrency()` Returns the concurrency mode of this `ResultSet` object.
`String`	`getCursorName()` Gets the name of the SQL cursor used by this `ResultSet` object.
`Date`	`getDate(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Date` object in the Java programming language.
`Date`	`getDate(int columnIndex, Calendar cal)` Returns the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Date` object in the Java programming language.
`Date`	`getDate(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Date` object in the Java programming language.
`Date`	`getDate(String columnName, Calendar cal)` Returns the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Date` object in the Java programming language.
`double`	`getDouble(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as a `double` in the Java programming language.
`double`	`getDouble(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as a `double` in the Java programming language.
`int`	`getFetchDirection()` Returns the fetch direction for this `ResultSet` object.
`int`	`getFetchSize()` Returns the fetch size for this `ResultSet` object.
`float`	`getFloat(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as a `float` in the Java programming language.
`float`	`getFloat(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as a `float` in the Java programming language.
`int`	`getInt(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as an `int` in the Java programming language.
`int`	`getInt(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as an `int` in the Java programming language.
`long`	`getLong(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as a `long` in the Java programming language.
`long`	`getLong(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as a `long` in the Java programming language.
`ResultSetMetaData`	`getMetaData()` Retrieves the number, types and properties of this `ResultSet` object's columns.
`Object`	`getObject(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as an `Object` in the Java programming language.
`Object`	`getObject(int i, Map map)` Returns the value of the designated column in the current row of this `ResultSet` object as an `Object` in the Java programming language.
`Object`	`getObject(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as an `Object` in the Java programming language.
`Object`	`getObject(String colName, Map map)` Returns the value of the designated column in the current row of this `ResultSet` object as an `Object` in the Java programming language.
`Ref`	`getRef(int i)` Returns the value of the designated column in the current row of this `ResultSet` object as a `Ref` object in the Java programming language.
`Ref`	`getRef(String colName)` Returns the value of the designated column in the current row of this `ResultSet` object as a `Ref` object in the Java programming language.
`int`	`getRow()` Retrieves the current row number.
`short`	`getShort(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as a `short` in the Java programming language.
`short`	`getShort(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as a `short` in the Java programming language.
`Statement`	`getStatement()` Returns the `Statement` object that produced this `ResultSet` object.
`String`	`getString(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as a `String` in the Java programming language.
`String`	`getString(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as a `String` in the Java programming language.
`Time`	`getTime(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Time` object in the Java programming language.
`Time`	`getTime(int columnIndex, Calendar cal)` Returns the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Time` object in the Java programming language.
`Time`	`getTime(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Time` object in the Java programming language.
`Time`	`getTime(String columnName, Calendar cal)` Returns the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Time` object in the Java programming language.
`Timestamp`	`getTimestamp(int columnIndex)` Gets the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Timestamp` object in the Java programming language.
`Timestamp`	`getTimestamp(int columnIndex, Calendar cal)` Returns the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Timestamp` object in the Java programming language.
`Timestamp`	`getTimestamp(String columnName)` Gets the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Timestamp` object.
`Timestamp`	`getTimestamp(String columnName, Calendar cal)` Returns the value of the designated column in the current row of this `ResultSet` object as a `java.sql.Timestamp` object in the Java programming language.
`int`	`getType()` Returns the type of this `ResultSet` object.
`InputStream`	`getUnicodeStream(int columnIndex)` Deprecated. use `getCharacterStream` in place of `getUnicodeStream`
`InputStream`	`getUnicodeStream(String columnName)` Deprecated.
`SQLWarning`	`getWarnings()` Returns the first warning reported by calls on this `ResultSet` object.
`void`	`insertRow()` Inserts the contents of the insert row into this `ResultSet` objaect and into the database.
`boolean`	`isAfterLast()` Indicates whether the cursor is after the last row in this `ResultSet` object.
`boolean`	`isBeforeFirst()` Indicates whether the cursor is before the first row in this `ResultSet` object.
`boolean`	`isFirst()` Indicates whether the cursor is on the first row of this `ResultSet` object.
`boolean`	`isLast()` Indicates whether the cursor is on the last row of this `ResultSet` object.
`boolean`	`last()` Moves the cursor to the last row in this `ResultSet` object.
`void`	`moveToCurrentRow()` Moves the cursor to the remembered cursor position, usually the current row.
`void`	`moveToInsertRow()` Moves the cursor to the insert row.
`boolean`	`next()` Moves the cursor down one row from its current position.
`boolean`	`previous()` Moves the cursor to the previous row in this `ResultSet` object.
`void`	`refreshRow()` Refreshes the current row with its most recent value in the database.
`boolean`	`relative(int rows)` Moves the cursor a relative number of rows, either positive or negative.
`boolean`	`rowDeleted()` Indicates whether a row has been deleted.
`boolean`	`rowInserted()` Indicates whether the current row has had an insertion.
`boolean`	`rowUpdated()` Indicates whether the current row has been updated.
`void`	`setFetchDirection(int direction)` Gives a hint as to the direction in which the rows in this `ResultSet` object will be processed.
`void`	`setFetchSize(int rows)` Gives 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 `ResultSet` object.
`void`	`updateAsciiStream(int columnIndex, InputStream x, int length)` Updates the designated column with an ascii stream value.
`void`	`updateAsciiStream(String columnName, InputStream x, int length)` Updates the designated column with an ascii stream value.
`void`	`updateBigDecimal(int columnIndex, BigDecimal x)` Updates the designated column with a `java.math.BigDecimal` value.
`void`	`updateBigDecimal(String columnName, BigDecimal x)` Updates the designated column with a `java.sql.BigDecimal` value.
`void`	`updateBinaryStream(int columnIndex, InputStream x, int length)` Updates the designated column with a binary stream value.
`void`	`updateBinaryStream(String columnName, InputStream x, int length)` Updates the designated column with a binary stream value.
`void`	`updateBoolean(int columnIndex, boolean x)` Updates the designated column with a `boolean` value.
`void`	`updateBoolean(String columnName, boolean x)` Updates the designated column with a `boolean` value.
`void`	`updateByte(int columnIndex, byte x)` Updates the designated column with a `byte` value.
`void`	`updateByte(String columnName, byte x)` Updates the designated column with a `byte` value.
`void`	`updateBytes(int columnIndex, byte[] x)` Updates the designated column with a `byte` array value.
`void`	`updateBytes(String columnName, byte[] x)` Updates the designated column with a `boolean` value.
`void`	`updateCharacterStream(int columnIndex, Reader x, int length)` Updates the designated column with a character stream value.
`void`	`updateCharacterStream(String columnName, Reader reader, int length)` Updates the designated column with a character stream value.
`void`	`updateDate(int columnIndex, Date x)` Updates the designated column with a `java.sql.Date` value.
`void`	`updateDate(String columnName, Date x)` Updates the designated column with a `java.sql.Date` value.
`void`	`updateDouble(int columnIndex, double x)` Updates the designated column with a `double` value.
`void`	`updateDouble(String columnName, double x)` Updates the designated column with a `double` value.
`void`	`updateFloat(int columnIndex, float x)` Updates the designated column with a `float` value.
`void`	`updateFloat(String columnName, float x)` Updates the designated column with a `float` value.
`void`	`updateInt(int columnIndex, int x)` Updates the designated column with an `int` value.
`void`	`updateInt(String columnName, int x)` Updates the designated column with an `int` value.
`void`	`updateLong(int columnIndex, long x)` Updates the designated column with a `long` value.
`void`	`updateLong(String columnName, long x)` Updates the designated column with a `long` value.
`void`	`updateNull(int columnIndex)` Gives a nullable column a null value.
`void`	`updateNull(String columnName)` Updates the designated column with a `null` value.
`void`	`updateObject(int columnIndex, Object x)` Updates the designated column with an `Object` value.
`void`	`updateObject(int columnIndex, Object x, int scale)` Updates the designated column with an `Object` value.
`void`	`updateObject(String columnName, Object x)` Updates the designated column with an `Object` value.
`void`	`updateObject(String columnName, Object x, int scale)` Updates the designated column with an `Object` value.
`void`	`updateRow()` Updates the underlying database with the new contents of the current row of this `ResultSet` object.
`void`	`updateShort(int columnIndex, short x)` Updates the designated column with a `short` value.
`void`	`updateShort(String columnName, short x)` Updates the designated column with a `short` value.
`void`	`updateString(int columnIndex, String x)` Updates the designated column with a `String` value.
`void`	`updateString(String columnName, String x)` Updates the designated column with a `String` value.
`void`	`updateTime(int columnIndex, Time x)` Updates the designated column with a `java.sql.Time` value.
`void`	`updateTime(String columnName, Time x)` Updates the designated column with a `java.sql.Time` value.
`void`	`updateTimestamp(int columnIndex, Timestamp x)` Updates the designated column with a `java.sql.Timestamp` value.
`void`	`updateTimestamp(String columnName, Timestamp x)` Updates the designated column with a `java.sql.Timestamp` value.
`boolean`	`wasNull()` Reports whether the last column read had a value of SQL `NULL`.

java.sql Interface ResultSet

FETCH_FORWARD

FETCH_REVERSE

FETCH_UNKNOWN

TYPE_FORWARD_ONLY

TYPE_SCROLL_INSENSITIVE

TYPE_SCROLL_SENSITIVE

CONCUR_READ_ONLY

CONCUR_UPDATABLE

next

close

wasNull

getString

getBoolean

getByte

getShort

getInt

getLong

getFloat

getDouble

getBigDecimal

getBytes

getDate

getTime

getTimestamp

getAsciiStream

getUnicodeStream

getBinaryStream

getString

getBoolean

getByte

getShort

getInt

getLong

getFloat

getDouble

getBigDecimal

getBytes

getDate

getTime

getTimestamp

getAsciiStream

getUnicodeStream

getBinaryStream

getWarnings

clearWarnings

getCursorName

getMetaData

getObject

getObject

findColumn

getCharacterStream

getCharacterStream

getBigDecimal

getBigDecimal

isBeforeFirst

isAfterLast

isFirst

isLast

beforeFirst

afterLast

first

last

getRow

absolute

relative

previous

setFetchDirection

getFetchDirection

setFetchSize

getFetchSize

getType

getConcurrency

rowUpdated

rowInserted

rowDeleted

updateNull

updateBoolean

updateByte

updateShort

java.sql
Interface ResultSet