Overview  Package   Class  Tree  Deprecated  Index  Help 
 PREV CLASS   NEXT CLASS FRAMES    NO FRAMES
SUMMARY:  INNER | FIELD | CONSTR | METHOD DETAIL:  FIELD | CONSTR | METHOD

ModSQL
Class ResultSet

java.lang.Object
  |
  +--ModSQL.ResultSet
All Implemented Interfaces:
ResultSet
public class ResultSet
extends Object
implements ResultSet

A ResultSet provides access to a table of data. A ResultSet object is usually generated by executing a Statement.

A ResultSet 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.

The getXXX methods retrieve column values for the current row. You can retrieve values either using the index number of the column, or by using the name of the column. In general using the column index will be more efficient. Columns are numbered from 1.

For maximum portability, ResultSet columns within each row should be read in left-to-right order and each column should be read only once.

For the getXXX methods, the JDBC driver attempts to convert the underlying data to the specified Java type and returns a suitable Java value. See the JDBC specification for 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 performing a getXXX using a column name, if several columns have the same name, then 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. For columns that are NOT explicitly named in the query, it is best to use column numbers. If column names were used there is no way for the programmer to guarantee that they actually refer to the intended columns.

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

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

Author:
chris.studholme@utoronto.ca
See Also:
PreparedStatement.executeQuery(java.lang.String), PreparedStatement.getResultSet(), ResultSetMetaData

Field Summary
protected  boolean beforefirst
          True if we are before the first row.
protected  boolean lastNull
          True if last value retrieved was null.
protected  Select query
          Query that generated this result set.
protected  PreparedStatement statement
          Statement that was used to generate this result set.
 
Fields inherited from interface java.sql.ResultSet
CONCUR_READ_ONLY, CONCUR_UPDATABLE, FETCH_FORWARD, FETCH_REVERSE, FETCH_UNKNOWN, TYPE_FORWARD_ONLY, TYPE_SCROLL_INSENSITIVE, TYPE_SCROLL_SENSITIVE
 
Constructor Summary
protected ResultSet(Select query, PreparedStatement statement)
          Constructor.
 
Method Summary
 boolean absolute(int row)
          Move to an absolute row number in the result set.
 void afterLast()
          Moves to the end of the result set, just after the last row.
 void beforeFirst()
          Moves to the front of the result set, just before the first row.
 void cancelRowUpdates()
          The cancelRowUpdates() method may be called after calling an updateXXX() method(s) and before calling updateRow() to rollback the updates made to a row.
 void clearWarnings()
          After this call getWarnings returns null until a new warning is reported for this ResultSet.
 void close()
          In some cases, it is desirable to immediately release a ResultSet's database and JDBC resources instead of waiting for this to happen when it is automatically closed; the close method provides this immediate release.
 void deleteRow()
          Delete the current row from the result set and the underlying database.
 int findColumn(String columnName)
          Map a Resultset column name to a ResultSet column index.
 boolean first()
          Moves to the first row in the result set.
 Array getArray(int i)
          Get an array column.
 Array getArray(String colName)
          Get an array column.
 InputStream getAsciiStream(int columnIndex)
          A column value can be retrieved as a stream of ASCII characters and then read in chunks from the stream.
 InputStream getAsciiStream(String columnName)
          A column value can be retrieved as a stream of ASCII characters and then read in chunks from the stream.
 BigDecimal getBigDecimal(int columnIndex)
          Get the value of a column in the current row as a java.math.BigDecimal object.
 BigDecimal getBigDecimal(int columnIndex, int scale)
          Deprecated.  
 BigDecimal getBigDecimal(String columnName)
          Get the value of a column in the current row as a java.math.BigDecimal object.
 BigDecimal getBigDecimal(String columnName, int scale)
          Deprecated.  
 InputStream getBinaryStream(int columnIndex)
          A column value can be retrieved as a stream of uninterpreted bytes and then read in chunks from the stream.
 InputStream getBinaryStream(String columnName)
          A column value can be retrieved as a stream of uninterpreted bytes and then read in chunks from the stream.
 Blob getBlob(int i)
          Get a BLOB column.
 Blob getBlob(String colName)
          Get a BLOB column.
 boolean getBoolean(int columnIndex)
          Get the value of a column in the current row as a Java boolean.
 boolean getBoolean(String columnName)
          Get the value of a column in the current row as a Java boolean.
 byte getByte(int columnIndex)
          Get the value of a column in the current row as a Java byte.
 byte getByte(String columnName)
          Get the value of a column in the current row as a Java byte.
 byte[] getBytes(int columnIndex)
          Get the value of a column in the current row as a Java byte array.
 byte[] getBytes(String columnName)
          Get the value of a column in the current row as a Java byte array.
 Reader getCharacterStream(int columnIndex)
          Get the value of a column in the current row as a java.io.Reader.
 Reader getCharacterStream(String columnName)
          Get the value of a column in the current row as a java.io.Reader.
 Clob getClob(int i)
          Get a CLOB column.
 Clob getClob(String colName)
          Get a CLOB column.
 int getConcurrency()
          Return the concurrency of this result set.
 String getCursorName()
          Get the name of the SQL cursor used by this ResultSet.
 Date getDate(int columnIndex)
          Get the value of a column in the current row as a java.sql.Date object.
 Date getDate(int columnIndex, Calendar cal)
          Get the value of a column in the current row as a java.sql.Date object.
 Date getDate(String columnName)
          Get the value of a column in the current row as a java.sql.Date object.
 Date getDate(String columnName, Calendar cal)
          Get the value of a column in the current row as a java.sql.Date object.
 double getDouble(int columnIndex)
          Get the value of a column in the current row as a Java double.
 double getDouble(String columnName)
          Get the value of a column in the current row as a Java double.
 int getFetchDirection()
          Return the fetch direction for this result set.
 int getFetchSize()
          Return the fetch size for this result set.
 float getFloat(int columnIndex)
          Get the value of a column in the current row as a Java float.
 float getFloat(String columnName)
          Get the value of a column in the current row as a Java float.
 int getInt(int columnIndex)
          Get the value of a column in the current row as a Java int.
 int getInt(String columnName)
          Get the value of a column in the current row as a Java int.
 long getLong(int columnIndex)
          Get the value of a column in the current row as a Java long.
 long getLong(String columnName)
          Get the value of a column in the current row as a Java long.
 ResultSetMetaData getMetaData()
          The number, types and properties of a ResultSet's columns are provided by the getMetaData method.
 Object getObject(int columnIndex)
          Get the value of a column in the current row as a Java object.
 Object getObject(int i, Map map)
          Returns the value of column @i as a Java object.
 Object getObject(String columnName)
          Get the value of a column in the current row as a Java object.
 Object getObject(String colName, Map map)
          Returns the value of column @i as a Java object.
 Ref getRef(int i)
          Get a REF(<structured-type>) column.
 Ref getRef(String colName)
          Get a REF(<structured-type>) column.
 int getRow()
          Determine the current row number.
 short getShort(int columnIndex)
          Get the value of a column in the current row as a Java short.
 short getShort(String columnName)
          Get the value of a column in the current row as a Java short.
 Statement getStatement()
          Return the Statement that produced the ResultSet.
 String getString(int columnIndex)
          Get the value of a column in the current row as a Java String.
 String getString(String columnName)
          Get the value of a column in the current row as a Java String.
 Time getTime(int columnIndex)
          Get the value of a column in the current row as a java.sql.Time object.
 Time getTime(int columnIndex, Calendar cal)
          Get the value of a column in the current row as a java.sql.Time object.
 Time getTime(String columnName)
          Get the value of a column in the current row as a java.sql.Time object.
 Time getTime(String columnName, Calendar cal)
          Get the value of a column in the current row as a java.sql.Time object.
 Timestamp getTimestamp(int columnIndex)
          Get the value of a column in the current row as a java.sql.Timestamp object.
 Timestamp getTimestamp(int columnIndex, Calendar cal)
          Get the value of a column in the current row as a java.sql.Timestamp object.
 Timestamp getTimestamp(String columnName)
          Get the value of a column in the current row as a java.sql.Timestamp object.
 Timestamp getTimestamp(String columnName, Calendar cal)
          Get the value of a column in the current row as a java.sql.Timestamp object.
 int getType()
          Return the type of this result set.
 InputStream getUnicodeStream(int columnIndex)
          Deprecated.  
 InputStream getUnicodeStream(String columnName)
          Deprecated.  
 SQLWarning getWarnings()
          The first warning reported by calls on this ResultSet is returned.
 void insertRow()
          Insert the contents of the insert row into the result set and the database.
 boolean isAfterLast()
          Determine if the cursor is after the last row in the result set.
 boolean isBeforeFirst()
          Determine if the cursor is before the first row in the result set.
 boolean isFirst()
          Determine if the cursor is on the first row of the result set.
 boolean isLast()
          Determine if the cursor is on the last row of the result set.
 boolean last()
          Moves to the last row in the result set.
 void moveToCurrentRow()
          Move the cursor to the remembered cursor position, usually the current row.
 void moveToInsertRow()
          Move to the insert row.
 boolean next()
          A ResultSet is initially positioned before its first row; the first call to next makes the first row the current row; the second call makes the second row the current row, etc.
 boolean previous()
          Moves to the previous row in the result set.
 void refreshRow()
          Refresh the value of the current row with its current value in the database.
 boolean relative(int rows)
          Moves a relative number of rows, either positive or negative.
 boolean rowDeleted()
          Determine if this row has been deleted.
 boolean rowInserted()
          Determine if the current row has been inserted.
 boolean rowUpdated()
          Determine if the current row has been updated.
 void setFetchDirection(int direction)
          Give a hint as to the direction in which the rows in this result set will be processed.
 void setFetchSize(int rows)
          Give the JDBC driver a hint as to the number of rows that should be fetched from the database when more rows are needed for this result set.
 void updateAsciiStream(int columnIndex, InputStream x, int length)
          Update a column with an ascii stream value.
 void updateAsciiStream(String columnName, InputStream x, int length)
          Update a column with an ascii stream value.
 void updateBigDecimal(int columnIndex, BigDecimal x)
          Update a column with a BigDecimal value.
 void updateBigDecimal(String columnName, BigDecimal x)
          Update a column with a BigDecimal value.
 void updateBinaryStream(int columnIndex, InputStream x, int length)
          Update a column with a binary stream value.
 void updateBinaryStream(String columnName, InputStream x, int length)
          Update a column with a binary stream value.
 void updateBoolean(int columnIndex, boolean x)
          Update a column with a boolean value.
 void updateBoolean(String columnName, boolean x)
          Update a column with a boolean value.
 void updateByte(int columnIndex, byte x)
          Update a column with a byte value.
 void updateByte(String columnName, byte x)
          Update a column with a byte value.
 void updateBytes(int columnIndex, byte[] x)
          Update a column with a byte array value.
 void updateBytes(String columnName, byte[] x)
          Update a column with a byte array value.
 void updateCharacterStream(int columnIndex, Reader x, int length)
          Update a column with a character stream value.
 void updateCharacterStream(String columnName, Reader reader, int length)
          Update a column with a character stream value.
 void updateDate(int columnIndex, Date x)
          Update a column with a Date value.
 void updateDate(String columnName, Date x)
          Update a column with a Date value.
 void updateDouble(int columnIndex, double x)
          Update a column with a Double value.
 void updateDouble(String columnName, double x)
          Update a column with a double value.
 void updateFloat(int columnIndex, float x)
          Update a column with a float value.
 void updateFloat(String columnName, float x)
          Update a column with a float value.
 void updateInt(int columnIndex, int x)
          Update a column with an integer value.
 void updateInt(String columnName, int x)
          Update a column with an integer value.
 void updateLong(int columnIndex, long x)
          Update a column with a long value.
 void updateLong(String columnName, long x)
          Update a column with a long value.
 void updateNull(int columnIndex)
          Give a nullable column a null value.
 void updateNull(String columnName)
          Update a column with a null value.
 void updateObject(int columnIndex, Object x)
          Update a column with an Object value.
 void updateObject(int columnIndex, Object x, int scale)
          Update a column with an Object value.
 void updateObject(String columnName, Object x)
          Update a column with an Object value.
 void updateObject(String columnName, Object x, int scale)
          Update a column with an Object value.
 void updateRow()
          Update the underlying database with the new contents of the current row.
 void updateShort(int columnIndex, short x)
          Update a column with a short value.
 void updateShort(String columnName, short x)
          Update a column with a short value.
 void updateString(int columnIndex, String x)
          Update a column with a String value.
 void updateString(String columnName, String x)
          Update a column with a String value.
 void updateTime(int columnIndex, Time x)
          Update a column with a Time value.
 void updateTime(String columnName, Time x)
          Update a column with a Time value.
 void updateTimestamp(int columnIndex, Timestamp x)
          Update a column with a Timestamp value.
 void updateTimestamp(String columnName, Timestamp x)
          Update a column with a Timestamp value.
 boolean wasNull()
          A column may have the value of SQL NULL; wasNull reports whether the last column read had this special value.
 
Methods inherited from class java.lang.Object
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait
 

Field Detail

query

protected Select query
Query that generated this result set.

statement

protected PreparedStatement statement
Statement that was used to generate this result set.

lastNull

protected boolean lastNull
True if last value retrieved was null.

beforefirst

protected boolean beforefirst
True if we are before the first row.
Constructor Detail

ResultSet

protected ResultSet(Select query,
                    PreparedStatement statement)
Constructor.
Parameters:
query - query to generate result set from
statement - statement used to execute query
Method Detail

next

public boolean next()
             throws SQLException
A ResultSet is initially positioned before its first row; the first call to next makes the first row the current row; the second call makes the second row the current row, etc.

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

Specified by:
next in interface ResultSet
Returns:
true if the new current row is valid; false if there are no more rows
Throws:
SQLException - if a database-access error occurs.

close

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

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

Specified by:
close in interface ResultSet
Throws:
SQLException - if a database-access error occurs.

wasNull

public boolean wasNull()
                throws SQLException
A column may have the value of SQL NULL; wasNull reports whether the last column read had this special value. Note that you must first call getXXX on a column to try to read its value and then call wasNull() to find if the value was the SQL NULL.
Specified by:
wasNull in interface ResultSet
Returns:
true if last column read was SQL NULL
Throws:
SQLException - if a database-access error occurs.

getObject

public Object getObject(int columnIndex)
                 throws SQLException

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

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

This method may also be used to read datatabase specific abstract data types.

Specified by:
getObject in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
A java.lang.Object holding the column value.
Throws:
SQLException - if a database-access error occurs.

getString

public String getString(int columnIndex)
                 throws SQLException
Get the value of a column in the current row as a Java String.
Specified by:
getString in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getBoolean

public boolean getBoolean(int columnIndex)
                   throws SQLException
Get the value of a column in the current row as a Java boolean.
Specified by:
getBoolean in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
the column value; if the value is SQL NULL, the result is false
Throws:
SQLException - if a database-access error occurs.

getByte

public byte getByte(int columnIndex)
             throws SQLException
Get the value of a column in the current row as a Java byte.
Specified by:
getByte in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
the column value; if the value is SQL NULL, the result is 0
Throws:
SQLException - if a database-access error occurs.

getShort

public short getShort(int columnIndex)
               throws SQLException
Get the value of a column in the current row as a Java short.
Specified by:
getShort in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
the column value; if the value is SQL NULL, the result is 0
Throws:
SQLException - if a database-access error occurs.

getInt

public int getInt(int columnIndex)
           throws SQLException
Get the value of a column in the current row as a Java int.
Specified by:
getInt in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
the column value; if the value is SQL NULL, the result is 0
Throws:
SQLException - if a database-access error occurs.

getLong

public long getLong(int columnIndex)
             throws SQLException
Get the value of a column in the current row as a Java long.
Specified by:
getLong in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
the column value; if the value is SQL NULL, the result is 0
Throws:
SQLException - if a database-access error occurs.

getFloat

public float getFloat(int columnIndex)
               throws SQLException
Get the value of a column in the current row as a Java float.
Specified by:
getFloat in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
the column value; if the value is SQL NULL, the result is 0
Throws:
SQLException - if a database-access error occurs.

getDouble

public double getDouble(int columnIndex)
                 throws SQLException
Get the value of a column in the current row as a Java double.
Specified by:
getDouble in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
the column value; if the value is SQL NULL, the result is 0
Throws:
SQLException - if a database-access error occurs.

getBigDecimal

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

Get the value of a column in the current row as a java.lang.BigDecimal object.
Specified by:
getBigDecimal in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
scale - the number of digits to the right of the decimal
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getBytes

public byte[] getBytes(int columnIndex)
                throws SQLException
Get the value of a column in the current row as a Java byte array. The bytes represent the raw values returned by the driver.
Specified by:
getBytes in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getDate

public Date getDate(int columnIndex)
             throws SQLException
Get the value of a column in the current row as a java.sql.Date object.
Specified by:
getDate in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getTime

public Time getTime(int columnIndex)
             throws SQLException
Get the value of a column in the current row as a java.sql.Time object.
Specified by:
getTime in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getTimestamp

public Timestamp getTimestamp(int columnIndex)
                       throws SQLException
Get the value of a column in the current row as a java.sql.Timestamp object.
Specified by:
getTimestamp in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getAsciiStream

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

Note: All the data in the returned stream must be read prior to getting the value of any other column. The next call to a get method implicitly closes the stream. . Also, a stream may return 0 for available() whether there is data available or not.

Specified by:
getAsciiStream in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
a Java input stream that delivers the database column value as a stream of one byte ASCII characters. If the value is SQL NULL then the result is null.
Throws:
SQLException - if a database-access error occurs.

getUnicodeStream

public InputStream getUnicodeStream(int columnIndex)
                             throws SQLException
Deprecated.  

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

Note: All the data in the returned stream must be read prior to getting the value of any other column. The next call to a get method implicitly closes the stream. . Also, a stream may return 0 for available() whether there is data available or not.

Specified by:
getUnicodeStream in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
a Java input stream that delivers the database column value as a stream of two byte Unicode characters. If the value is SQL NULL then the result is null.
Throws:
SQLException - if a database-access error occurs.

getBinaryStream

public InputStream getBinaryStream(int columnIndex)
                            throws SQLException
A column value can be retrieved as a stream of uninterpreted bytes and then read in chunks from the stream. This method is particularly suitable for retrieving large LONGVARBINARY values.

Note: All the data in the returned stream must be read prior to getting the value of any other column. The next call to a get method implicitly closes the stream. Also, a stream may return 0 for available() whether there is data available or not.

Specified by:
getBinaryStream in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
a Java input stream that delivers the database column value as a stream of uninterpreted bytes. If the value is SQL NULL then the result is null.
Throws:
SQLException - if a database-access error occurs.

getObject

public Object getObject(String columnName)
                 throws SQLException

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

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

This method may also be used to read datatabase specific abstract data types.

Specified by:
getObject in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
A java.lang.Object holding the column value.
Throws:
SQLException - if a database-access error occurs.

getString

public String getString(String columnName)
                 throws SQLException
Get the value of a column in the current row as a Java String.
Specified by:
getString in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getBoolean

public boolean getBoolean(String columnName)
                   throws SQLException
Get the value of a column in the current row as a Java boolean.
Specified by:
getBoolean in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
the column value; if the value is SQL NULL, the result is false
Throws:
SQLException - if a database-access error occurs.

getByte

public byte getByte(String columnName)
             throws SQLException
Get the value of a column in the current row as a Java byte.
Specified by:
getByte in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
the column value; if the value is SQL NULL, the result is 0
Throws:
SQLException - if a database-access error occurs.

getShort

public short getShort(String columnName)
               throws SQLException
Get the value of a column in the current row as a Java short.
Specified by:
getShort in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
the column value; if the value is SQL NULL, the result is 0
Throws:
SQLException - if a database-access error occurs.

getInt

public int getInt(String columnName)
           throws SQLException
Get the value of a column in the current row as a Java int.
Specified by:
getInt in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
the column value; if the value is SQL NULL, the result is 0
Throws:
SQLException - if a database-access error occurs.

getLong

public long getLong(String columnName)
             throws SQLException
Get the value of a column in the current row as a Java long.
Specified by:
getLong in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
the column value; if the value is SQL NULL, the result is 0
Throws:
SQLException - if a database-access error occurs.

getFloat

public float getFloat(String columnName)
               throws SQLException
Get the value of a column in the current row as a Java float.
Specified by:
getFloat in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
the column value; if the value is SQL NULL, the result is 0
Throws:
SQLException - if a database-access error occurs.

getDouble

public double getDouble(String columnName)
                 throws SQLException
Get the value of a column in the current row as a Java double.
Specified by:
getDouble in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
the column value; if the value is SQL NULL, the result is 0
Throws:
SQLException - if a database-access error occurs.

getBigDecimal

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

Get the value of a column in the current row as a java.lang.BigDecimal object.
Specified by:
getBigDecimal in interface ResultSet
Parameters:
columnName - is the SQL name of the column
scale - the number of digits to the right of the decimal
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getBytes

public byte[] getBytes(String columnName)
                throws SQLException
Get the value of a column in the current row as a Java byte array. The bytes represent the raw values returned by the driver.
Specified by:
getBytes in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getDate

public Date getDate(String columnName)
             throws SQLException
Get the value of a column in the current row as a java.sql.Date object.
Specified by:
getDate in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getTime

public Time getTime(String columnName)
             throws SQLException
Get the value of a column in the current row as a java.sql.Time object.
Specified by:
getTime in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getTimestamp

public Timestamp getTimestamp(String columnName)
                       throws SQLException
Get the value of a column in the current row as a java.sql.Timestamp object.
Specified by:
getTimestamp in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getAsciiStream

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

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

Specified by:
getAsciiStream in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
a Java input stream that delivers the database column value as a stream of one byte ASCII characters. If the value is SQL NULL then the result is null.
Throws:
SQLException - if a database-access error occurs.

getUnicodeStream

public InputStream getUnicodeStream(String columnName)
                             throws SQLException
Deprecated.  

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

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

Specified by:
getUnicodeStream in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
a Java input stream that delivers the database column value as a stream of two byte Unicode characters. If the value is SQL NULL then the result is null.
Throws:
SQLException - if a database-access error occurs.

getBinaryStream

public InputStream getBinaryStream(String columnName)
                            throws SQLException
A column value can be retrieved as a stream of uninterpreted bytes and then read in chunks from the stream. This method is particularly suitable for retrieving large LONGVARBINARY values.

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

Specified by:
getBinaryStream in interface ResultSet
Parameters:
columnName - is the SQL name of the column
Returns:
a Java input stream that delivers the database column value as a stream of uninterpreted bytes. If the value is SQL NULL then the result is null.
Throws:
SQLException - if a database-access error occurs.

getWarnings

public SQLWarning getWarnings()
                       throws SQLException

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

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

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

Specified by:
getWarnings in interface ResultSet
Returns:
the first SQLWarning or null
Throws:
SQLException - if a database-access error occurs.

clearWarnings

public void clearWarnings()
                   throws SQLException
After this call getWarnings returns null until a new warning is reported for this ResultSet.
Specified by:
clearWarnings in interface ResultSet
Throws:
SQLException - if a database-access error occurs.

getCursorName

public String getCursorName()
                     throws SQLException
Get the name of the SQL cursor used by this ResultSet.

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

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

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

Specified by:
getCursorName in interface ResultSet
Returns:
the ResultSet's SQL cursor name
Throws:
SQLException - if a database-access error occurs.

getMetaData

public ResultSetMetaData getMetaData()
                              throws SQLException
The number, types and properties of a ResultSet's columns are provided by the getMetaData method.
Specified by:
getMetaData in interface ResultSet
Returns:
the description of a ResultSet's columns
Throws:
SQLException - if a database-access error occurs.

findColumn

public int findColumn(String columnName)
               throws SQLException
Map a Resultset column name to a ResultSet column index.
Specified by:
findColumn in interface ResultSet
Parameters:
columnName - the name of the column
Returns:
the column index
Throws:
SQLException - if a database-access error occurs.

getCharacterStream

public Reader getCharacterStream(int columnIndex)
                          throws SQLException

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

Specified by:
getCharacterStream in interface ResultSet

getCharacterStream

public Reader getCharacterStream(String columnName)
                          throws SQLException

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

Specified by:
getCharacterStream in interface ResultSet

getBigDecimal

public BigDecimal getBigDecimal(int columnIndex)
                         throws SQLException
Get the value of a column in the current row as a java.math.BigDecimal object.
Specified by:
getBigDecimal in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Returns:
the column value (full precision); if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getBigDecimal

public BigDecimal getBigDecimal(String columnName)
                         throws SQLException
Get the value of a column in the current row as a java.math.BigDecimal object.
Specified by:
getBigDecimal in interface ResultSet

isBeforeFirst

public boolean isBeforeFirst()
                      throws SQLException

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

Specified by:
isBeforeFirst in interface ResultSet
Returns:
true if before the first row, false otherwise. Returns false when the result set contains no rows.
Throws:
SQLException - if a database-access error occurs.

isAfterLast

public boolean isAfterLast()
                    throws SQLException

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

Specified by:
isAfterLast in interface ResultSet
Returns:
true if after the last row, false otherwise. Returns false when the result set contains no rows.
Throws:
SQLException - if a database-access error occurs.

isFirst

public boolean isFirst()
                throws SQLException

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

Specified by:
isFirst in interface ResultSet
Returns:
true if on the first row, false otherwise.
Throws:
SQLException - if a database-access error occurs.

isLast

public boolean isLast()
               throws SQLException

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

Specified by:
isLast in interface ResultSet
Returns:
true if on the last row, false otherwise.
Throws:
SQLException - if a database-access error occurs.

beforeFirst

public void beforeFirst()
                 throws SQLException

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

Specified by:
beforeFirst in interface ResultSet
Throws:
SQLException - if a database-access error occurs, or result set type is TYPE_FORWARD_ONLY

afterLast

public void afterLast()
               throws SQLException

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

Specified by:
afterLast in interface ResultSet
Throws:
SQLException - if a database-access error occurs, or result set type is TYPE_FORWARD_ONLY.

first

public boolean first()
              throws SQLException

Moves to the first row in the result set.

Specified by:
first in interface ResultSet
Returns:
true if on a valid row, false if no rows in the result set.
Throws:
SQLException - if a database-access error occurs, or result set type is TYPE_FORWARD_ONLY.

last

public boolean last()
             throws SQLException

Moves to the last row in the result set.

Specified by:
last in interface ResultSet
Returns:
true if on a valid row, false if no rows in the result set.
Throws:
SQLException - if a database-access error occurs, or result set type is TYPE_FORWARD_ONLY.

getRow

public int getRow()
           throws SQLException

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

Specified by:
getRow in interface ResultSet
Returns:
the current row number, else return 0 if there is no current row
Throws:
SQLException - if a database-access error occurs.

absolute

public boolean absolute(int row)
                 throws SQLException

Move to an absolute row number in the result set.

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

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

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

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

Specified by:
absolute in interface ResultSet
Returns:
true if on the result set, false if off.
Throws:
SQLException - if a database-access error occurs, or row is 0, or result set type is TYPE_FORWARD_ONLY.

relative

public boolean relative(int rows)
                 throws SQLException

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

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

Specified by:
relative in interface ResultSet
Returns:
true if on a row, false otherwise.
Throws:
SQLException - if a database-access error occurs, or there is no current row, or result set type is TYPE_FORWARD_ONLY.

previous

public boolean previous()
                 throws SQLException

Moves to the previous row in the result set.

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

Specified by:
previous in interface ResultSet
Returns:
true if on a valid row, false if off the result set.
Throws:
SQLException - if a database-access error occurs, or result set type is TYPE_FORWAR_DONLY.

setFetchDirection

public void setFetchDirection(int direction)
                       throws SQLException
Give a hint as to the direction in which the rows in this result set will be processed. The initial value is determined by the statement that produced the result set. The fetch direction may be changed at any time.
Specified by:
setFetchDirection in interface ResultSet
Throws:
SQLException - if a database-access error occurs, or the result set type is TYPE_FORWARD_ONLY and direction is not FETCH_FORWARD.

getFetchDirection

public int getFetchDirection()
                      throws SQLException
Return the fetch direction for this result set.
Specified by:
getFetchDirection in interface ResultSet
Throws:
SQLException - if a database-access error occurs

setFetchSize

public void setFetchSize(int rows)
                  throws SQLException
Give the JDBC driver a hint as to the number of rows that should be fetched from the database when more rows are needed for this result set. If the fetch size specified is zero, then the JDBC driver ignores the value, and is free to make its own best guess as to what the fetch size should be. The default value is set by the statement that creates the result set. The fetch size may be changed at any time.
Specified by:
setFetchSize in interface ResultSet
Parameters:
rows - the number of rows to fetch
Throws:
SQLException - if a database-access error occurs, or the condition 0 <= rows <= this.getMaxRows() is not satisfied.

getFetchSize

public int getFetchSize()
                 throws SQLException
Return the fetch size for this result set.
Specified by:
getFetchSize in interface ResultSet
Throws:
SQLException - if a database-access error occurs

getType

public int getType()
            throws SQLException
Return the type of this result set. The type is determined based on the statement that created the result set.
Specified by:
getType in interface ResultSet
Returns:
TYPE_FORWARD_ONLY, TYPE_SCROLL_INSENSITIVE, or TYPE_SCROLL_SENSITIVE
Throws:
SQLException - if a database-access error occurs

getConcurrency

public int getConcurrency()
                   throws SQLException
Return the concurrency of this result set. The concurrency used is determined by the statement that created the result set.
Specified by:
getConcurrency in interface ResultSet
Returns:
the concurrency type, CONCUR_READ_ONLY, etc.
Throws:
SQLException - if a database-access error occurs

rowUpdated

public boolean rowUpdated()
                   throws SQLException
Determine if the current row has been updated. The value returned depends on whether or not the result set can detect updates.
Specified by:
rowUpdated in interface ResultSet
Returns:
true if the row has been visibly updated by the owner or another, and updates are detected
Throws:
SQLException - if a database-access error occurs
See Also:
DatabaseMetaData.updatesAreDetected(int)

rowInserted

public boolean rowInserted()
                    throws SQLException
Determine if the current row has been inserted. The value returned depends on whether or not the result set can detect visible inserts.
Specified by:
rowInserted in interface ResultSet
Returns:
true if inserted and inserts are detected
Throws:
SQLException - if a database-access error occurs
See Also:
DatabaseMetaData.insertsAreDetected(int)

rowDeleted

public boolean rowDeleted()
                   throws SQLException
Determine if this row has been deleted. A deleted row may leave a visible "hole" in a result set. This method can be used to detect holes in a result set. The value returned depends on whether or not the result set can detect deletions.
Specified by:
rowDeleted in interface ResultSet
Returns:
true if deleted and deletes are detected
Throws:
SQLException - if a database-access error occurs
See Also:
DatabaseMetaData.deletesAreDetected(int)

updateNull

public void updateNull(int columnIndex)
                throws SQLException
Give a nullable column a null value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateNull in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
Throws:
SQLException - if a database-access error occurs

updateBoolean

public void updateBoolean(int columnIndex,
                          boolean x)
                   throws SQLException
Update a column with a boolean value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateBoolean in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateByte

public void updateByte(int columnIndex,
                       byte x)
                throws SQLException
Update a column with a byte value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateByte in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateShort

public void updateShort(int columnIndex,
                        short x)
                 throws SQLException
Update a column with a short value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateShort in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateInt

public void updateInt(int columnIndex,
                      int x)
               throws SQLException
Update a column with an integer value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateInt in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateLong

public void updateLong(int columnIndex,
                       long x)
                throws SQLException
Update a column with a long value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateLong in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateFloat

public void updateFloat(int columnIndex,
                        float x)
                 throws SQLException
Update a column with a float value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateFloat in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateDouble

public void updateDouble(int columnIndex,
                         double x)
                  throws SQLException
Update a column with a Double value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateDouble in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateBigDecimal

public void updateBigDecimal(int columnIndex,
                             BigDecimal x)
                      throws SQLException
Update a column with a BigDecimal value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateBigDecimal in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateString

public void updateString(int columnIndex,
                         String x)
                  throws SQLException
Update a column with a String value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateString in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateBytes

public void updateBytes(int columnIndex,
                        byte[] x)
                 throws SQLException
Update a column with a byte array value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateBytes in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateDate

public void updateDate(int columnIndex,
                       Date x)
                throws SQLException
Update a column with a Date value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateDate in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateTime

public void updateTime(int columnIndex,
                       Time x)
                throws SQLException
Update a column with a Time value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateTime in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateTimestamp

public void updateTimestamp(int columnIndex,
                            Timestamp x)
                     throws SQLException
Update a column with a Timestamp value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateTimestamp in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateAsciiStream

public void updateAsciiStream(int columnIndex,
                              InputStream x,
                              int length)
                       throws SQLException
Update a column with an ascii stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateAsciiStream in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
length - the length of the stream
Throws:
SQLException - if a database-access error occurs

updateBinaryStream

public void updateBinaryStream(int columnIndex,
                               InputStream x,
                               int length)
                        throws SQLException
Update a column with a binary stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateBinaryStream in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
length - the length of the stream
Throws:
SQLException - if a database-access error occurs

updateCharacterStream

public void updateCharacterStream(int columnIndex,
                                  Reader x,
                                  int length)
                           throws SQLException
Update a column with a character stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateCharacterStream in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
length - the length of the stream
Throws:
SQLException - if a database-access error occurs

updateObject

public void updateObject(int columnIndex,
                         Object x,
                         int scale)
                  throws SQLException
Update a column with an Object value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateObject in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
scale - For java.sql.Types.DECIMAL or java.sql.Types.NUMERIC types this is the number of digits after the decimal. For all other types this value will be ignored.
Throws:
SQLException - if a database-access error occurs

updateObject

public void updateObject(int columnIndex,
                         Object x)
                  throws SQLException
Update a column with an Object value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateObject in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateNull

public void updateNull(String columnName)
                throws SQLException
Update a column with a null value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateNull in interface ResultSet
Parameters:
columnName - the name of the column
Throws:
SQLException - if a database-access error occurs

updateBoolean

public void updateBoolean(String columnName,
                          boolean x)
                   throws SQLException
Update a column with a boolean value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateBoolean in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateByte

public void updateByte(String columnName,
                       byte x)
                throws SQLException
Update a column with a byte value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateByte in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateShort

public void updateShort(String columnName,
                        short x)
                 throws SQLException
Update a column with a short value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateShort in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateInt

public void updateInt(String columnName,
                      int x)
               throws SQLException
Update a column with an integer value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateInt in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateLong

public void updateLong(String columnName,
                       long x)
                throws SQLException
Update a column with a long value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateLong in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateFloat

public void updateFloat(String columnName,
                        float x)
                 throws SQLException
Update a column with a float value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateFloat in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateDouble

public void updateDouble(String columnName,
                         double x)
                  throws SQLException
Update a column with a double value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateDouble in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateBigDecimal

public void updateBigDecimal(String columnName,
                             BigDecimal x)
                      throws SQLException
Update a column with a BigDecimal value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateBigDecimal in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateString

public void updateString(String columnName,
                         String x)
                  throws SQLException
Update a column with a String value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateString in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateBytes

public void updateBytes(String columnName,
                        byte[] x)
                 throws SQLException
Update a column with a byte array value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateBytes in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateDate

public void updateDate(String columnName,
                       Date x)
                throws SQLException
Update a column with a Date value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateDate in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateTime

public void updateTime(String columnName,
                       Time x)
                throws SQLException
Update a column with a Time value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateTime in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateTimestamp

public void updateTimestamp(String columnName,
                            Timestamp x)
                     throws SQLException
Update a column with a Timestamp value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateTimestamp in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
Throws:
SQLException - if a database-access error occurs

updateAsciiStream

public void updateAsciiStream(String columnName,
                              InputStream x,
                              int length)
                       throws SQLException
Update a column with an ascii stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateAsciiStream in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
length - of the stream
Throws:
SQLException - if a database-access error occurs

updateBinaryStream

public void updateBinaryStream(String columnName,
                               InputStream x,
                               int length)
                        throws SQLException
Update a column with a binary stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateBinaryStream in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
length - of the stream
Throws:
SQLException - if a database-access error occurs

updateCharacterStream

public void updateCharacterStream(String columnName,
                                  Reader reader,
                                  int length)
                           throws SQLException
Update a column with a character stream value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateCharacterStream in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
length - of the stream
Throws:
SQLException - if a database-access error occurs

updateObject

public void updateObject(String columnName,
                         Object x,
                         int scale)
                  throws SQLException
Update a column with an Object value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateObject in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
scale - For java.sql.Types.DECIMAL or java.sql.Types.NUMERIC types this is the number of digits after the decimal. For all other types this value will be ignored.
Throws:
SQLException - if a database-access error occurs

updateObject

public void updateObject(String columnName,
                         Object x)
                  throws SQLException
Update a column with an Object value. The updateXXX() methods are used to update column values in the current row, or the insert row. The updateXXX() methods do not update the underlying database, instead the updateRow() or insertRow() methods are called to update the database.
Specified by:
updateObject in interface ResultSet
Parameters:
columnName - the name of the column
x - the new column value
Throws:
SQLException - if a database-access error occurs

insertRow

public void insertRow()
               throws SQLException
Insert the contents of the insert row into the result set and the database. Must be on the insert row when this method is called.
Specified by:
insertRow in interface ResultSet
Throws:
SQLException - if a database-access error occurs, if called when not on the insert row, or if all non-nullable columns in the insert row have not been given a value

updateRow

public void updateRow()
               throws SQLException
Update the underlying database with the new contents of the current row. Cannot be called when on the insert row.
Specified by:
updateRow in interface ResultSet
Throws:
SQLException - if a database-access error occurs, or if called when on the insert row

deleteRow

public void deleteRow()
               throws SQLException
Delete the current row from the result set and the underlying database. Cannot be called when on the insert row.
Specified by:
deleteRow in interface ResultSet
Throws:
SQLException - if a database-access error occurs, or if called when on the insert row.

refreshRow

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

cancelRowUpdates

public void cancelRowUpdates()
                      throws SQLException
The cancelRowUpdates() method may be called after calling an updateXXX() method(s) and before calling updateRow() to rollback the updates made to a row. If no updates have been made or updateRow() has already been called, then this method has no effect.
Specified by:
cancelRowUpdates in interface ResultSet
Throws:
SQLException - if a database-access error occurs, or if called when on the insert row.

moveToInsertRow

public void moveToInsertRow()
                     throws SQLException
Move to the insert row. The current cursor position is remembered while the cursor is positioned on the insert row. The insert row is a special row associated with an updatable result set. It is essentially a buffer where a new row may be constructed by calling the updateXXX() methods prior to inserting the row into the result set. Only the updateXXX(), getXXX(), and insertRow() methods may be called when the cursor is on the insert row. All of the columns in a result set must be given a value each time this method is called before calling insertRow(). UpdateXXX()must be called before getXXX() on a column.
Specified by:
moveToInsertRow in interface ResultSet
Throws:
SQLException - if a database-access error occurs, or the result set is not updatable

moveToCurrentRow

public void moveToCurrentRow()
                      throws SQLException
Move the cursor to the remembered cursor position, usually the current row. Has no effect unless the cursor is on the insert row.
Specified by:
moveToCurrentRow in interface ResultSet
Throws:
SQLException - if a database-access error occurs, or the result set is not updatable

getStatement

public Statement getStatement()
                       throws SQLException
Return the Statement that produced the ResultSet.
Specified by:
getStatement in interface ResultSet
Returns:
the Statment that produced the result set, or null if the result was produced some other way.
Throws:
SQLException - if a database-access error occurs

getObject

public Object getObject(int i,
                        Map map)
                 throws SQLException
Returns the value of column @i as a Java object. Use the
Specified by:
getObject in interface ResultSet
Parameters:
i - the first column is 1, the second is 2, ...
map - the mapping from SQL type names to Java classes
Returns:
an object representing the SQL value

getRef

public Ref getRef(int i)
           throws SQLException
Get a REF(<structured-type>) column.
Specified by:
getRef in interface ResultSet
Parameters:
i - the first column is 1, the second is 2, ...
Returns:
an object representing data of an SQL REF type

getBlob

public Blob getBlob(int i)
             throws SQLException
Get a BLOB column.
Specified by:
getBlob in interface ResultSet
Parameters:
i - the first column is 1, the second is 2, ...
Returns:
an object representing a BLOB

getClob

public Clob getClob(int i)
             throws SQLException
Get a CLOB column.
Specified by:
getClob in interface ResultSet
Parameters:
i - the first column is 1, the second is 2, ...
Returns:
an object representing a CLOB

getArray

public Array getArray(int i)
               throws SQLException
Get an array column.
Specified by:
getArray in interface ResultSet
Parameters:
i - the first column is 1, the second is 2, ...
Returns:
an object representing an SQL array

getObject

public Object getObject(String colName,
                        Map map)
                 throws SQLException
Returns the value of column @i as a Java object. Use the
Specified by:
getObject in interface ResultSet
Parameters:
colName - the column name
map - the mapping from SQL type names to Java classes
Returns:
an object representing the SQL value

getRef

public Ref getRef(String colName)
           throws SQLException
Get a REF(<structured-type>) column.
Specified by:
getRef in interface ResultSet
Parameters:
colName - the column name
Returns:
an object representing data of an SQL REF type

getBlob

public Blob getBlob(String colName)
             throws SQLException
Get a BLOB column.
Specified by:
getBlob in interface ResultSet
Parameters:
colName - the column name
Returns:
an object representing a BLOB

getClob

public Clob getClob(String colName)
             throws SQLException
Get a CLOB column.
Specified by:
getClob in interface ResultSet
Parameters:
colName - the column name
Returns:
an object representing a CLOB

getArray

public Array getArray(String colName)
               throws SQLException
Get an array column.
Specified by:
getArray in interface ResultSet
Parameters:
colName - the column name
Returns:
an object representing an SQL array

getDate

public Date getDate(int columnIndex,
                    Calendar cal)
             throws SQLException
Get the value of a column in the current row as a java.sql.Date object. Use the calendar to construct an appropriate millisecond value for the Date, if the underlying database doesn't store timezone information.
Specified by:
getDate in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
cal - the calendar to use in constructing the date
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getDate

public Date getDate(String columnName,
                    Calendar cal)
             throws SQLException
Get the value of a column in the current row as a java.sql.Date object. Use the calendar to construct an appropriate millisecond value for the Date, if the underlying database doesn't store timezone information.
Specified by:
getDate in interface ResultSet
Parameters:
columnName - is the SQL name of the column
cal - the calendar to use in constructing the date
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getTime

public Time getTime(int columnIndex,
                    Calendar cal)
             throws SQLException
Get the value of a column in the current row as a java.sql.Time object. Use the calendar to construct an appropriate millisecond value for the Time, if the underlying database doesn't store timezone information.
Specified by:
getTime in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
cal - the calendar to use in constructing the time
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getTime

public Time getTime(String columnName,
                    Calendar cal)
             throws SQLException
Get the value of a column in the current row as a java.sql.Time object. Use the calendar to construct an appropriate millisecond value for the Time, if the underlying database doesn't store timezone information.
Specified by:
getTime in interface ResultSet
Parameters:
columnName - is the SQL name of the column
cal - the calendar to use in constructing the time
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getTimestamp

public Timestamp getTimestamp(int columnIndex,
                              Calendar cal)
                       throws SQLException
Get the value of a column in the current row as a java.sql.Timestamp object. Use the calendar to construct an appropriate millisecond value for the Timestamp, if the underlying database doesn't store timezone information.
Specified by:
getTimestamp in interface ResultSet
Parameters:
columnIndex - the first column is 1, the second is 2, ...
cal - the calendar to use in constructing the timestamp
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.

getTimestamp

public Timestamp getTimestamp(String columnName,
                              Calendar cal)
                       throws SQLException
Get the value of a column in the current row as a java.sql.Timestamp object. Use the calendar to construct an appropriate millisecond value for the Timestamp, if the underlying database doesn't store timezone information.
Specified by:
getTimestamp in interface ResultSet
Parameters:
columnName - is the SQL name of the column
cal - the calendar to use in constructing the timestamp
Returns:
the column value; if the value is SQL NULL, the result is null
Throws:
SQLException - if a database-access error occurs.
Overview  Package   Class  Tree  Deprecated  Index  Help 
 PREV CLASS   NEXT CLASS FRAMES    NO FRAMES
SUMMARY:  INNER | FIELD | CONSTR | METHOD DETAIL:  FIELD | CONSTR | METHOD