Clob JDK 1.6)

public void free () throws SQLException

This method frees the Clob object and releases the resources the resources that it holds.

This method frees the Clob object and releases the resources the resources that it holds. The object is invalid once the free method is called.

After free has been called, any attempt to invoke a method other than free will result in a SQLException being thrown. If free is called multiple times, the subsequent calls to free are treated as a no-op.

Throws:
- SQLException - if an error occurs releasing the Clob's resources
- SQLFeatureNotSupportedException - if the JDBC driver does not support this method
Since: 1.6

public InputStream getAsciiStream () throws SQLException

Retrieves the CLOB value designated by this Clob object as an ascii stream.

Retrieves the CLOB value designated by this Clob
object as an ascii stream.
Returns: a java.io.InputStream object containing the CLOB data
Throws:
- SQLException - if there is an error accessing the CLOB value
- SQLFeatureNotSupportedException - if the JDBC driver does not support this method
Since: 1.2
See Also: Clob.setAsciiStream(long),

public Reader getCharacterStream () throws SQLException

Retrieves the CLOB value designated by this Clob object as a java.io.Reader object (or as a stream of characters).

Retrieves the CLOB value designated by this Clob
object as a java.io.Reader object (or as a stream of
characters).
Returns: a java.io.Reader object containing the CLOB data
Throws:
- SQLException - if there is an error accessing the CLOB value
- SQLFeatureNotSupportedException - if the JDBC driver does not support this method
Since: 1.2
See Also: Clob.setCharacterStream(long),

public Reader getCharacterStream (long pos, long length) throws SQLException

Returns a Reader object that contains a partial Clob value, starting with the character specified by pos, which is length characters in length.

Returns a Reader object that contains a partial Clob value, starting
with the character specified by pos, which is length characters in length.
Returns: Reader through which the partial Clob value can be read.
Parameters:
- pos - the offset to the first character of the partial value to be retrieved. The first character in the Clob is at position 1.
- length - the length in characters of the partial value to be retrieved.
Throws:
- SQLException - if pos is less than 1 or if pos is greater than the number of characters in the Clob or if pos + length is greater than the number of characters in the Clob
- SQLFeatureNotSupportedException - if the JDBC driver does not support this method
Since: 1.6

public String getSubString (long pos, int length) throws SQLException

Retrieves a copy of the specified substring in the CLOB value designated by this Clob object.

Retrieves a copy of the specified substring
in the CLOB value
designated by this Clob object.
The substring begins at position
pos and has up to length consecutive
characters.
Returns: a String that is the specified substring in the CLOB value designated by this Clob object
Parameters:
- pos - the first character of the substring to be extracted. The first character is at position 1.
- length - the number of consecutive characters to be copied; the value for length must be 0 or greater
Throws:
- SQLException - if there is an error accessing the CLOB value; if pos is less than 1 or length is less than 0
- SQLFeatureNotSupportedException - if the JDBC driver does not support this method
Since: 1.2

public long length () throws SQLException

Retrieves the number of characters in the CLOB value designated by this Clob object.

Retrieves the number of characters
in the CLOB value
designated by this Clob object.
Returns: length of the CLOB in characters
Throws:
- SQLException - if there is an error accessing the length of the CLOB value
- SQLFeatureNotSupportedException - if the JDBC driver does not support this method
Since: 1.2

public long position (Clob searchstr, long start) throws SQLException

Retrieves the character position at which the specified Clob object searchstr appears in this Clob object.

Retrieves the character position at which the specified
Clob object searchstr appears in this
Clob object. The search begins at position
start.
Returns: the position at which the Clob object appears or -1 if it is not present; the first position is 1
Parameters:
- searchstr - the Clob object for which to search
- start - the position at which to begin searching; the first position is 1
Throws:
- SQLException - if there is an error accessing the CLOB value or if start is less than 1
- SQLFeatureNotSupportedException - if the JDBC driver does not support this method
Since: 1.2

public long position (String searchstr, long start) throws SQLException

Retrieves the character position at which the specified substring searchstr appears in the SQL CLOB value represented by this Clob object.

Retrieves the character position at which the specified substring
searchstr appears in the SQL CLOB value
represented by this Clob object. The search
begins at position start.
Returns: the position at which the substring appears or -1 if it is not present; the first position is 1
Parameters:
- searchstr - the substring for which to search
- start - the position at which to begin searching; the first position is 1
Throws:
- SQLException - if there is an error accessing the CLOB value or if pos is less than 1
- SQLFeatureNotSupportedException - if the JDBC driver does not support this method
Since: 1.2

public OutputStream setAsciiStream (long pos) throws SQLException

Retrieves a stream to be used to write Ascii characters to the CLOB value that this Clob object represents, starting at position pos.

Retrieves a stream to be used to write Ascii characters to the CLOB value that this Clob object represents, starting at position pos. Characters written to the stream will overwrite the existing characters in the Clob object starting at the position pos. If the end of the Clob value is reached while writing characters to the stream, then the length of the Clob value will be increased to accomodate the extra characters.

Note: If the value specified for pos is greater then the length+1 of the CLOB value then the behavior is undefined. Some JDBC drivers may throw a SQLException while other drivers may support this operation.
Returns: the stream to which ASCII encoded characters can be written
Parameters:
- pos - the position at which to start writing to this CLOB object; The first position is 1
Throws:
- SQLException - if there is an error accessing the CLOB value or if pos is less than 1
- SQLFeatureNotSupportedException - if the JDBC driver does not support this method
Since: 1.4
See Also: Clob.getAsciiStream(),

public Writer setCharacterStream (long pos) throws SQLException

Retrieves a stream to be used to write a stream of Unicode characters to the CLOB value that this Clob object represents, at position pos.

Retrieves a stream to be used to write a stream of Unicode characters to the CLOB value that this Clob object represents, at position pos. Characters written to the stream will overwrite the existing characters in the Clob object starting at the position pos. If the end of the Clob value is reached while writing characters to the stream, then the length of the Clob value will be increased to accomodate the extra characters.

Note: If the value specified for pos is greater then the length+1 of the CLOB value then the behavior is undefined. Some JDBC drivers may throw a SQLException while other drivers may support this operation.
Returns: a stream to which Unicode encoded characters can be written
Parameters:
- pos - the position at which to start writing to the CLOB value; The first position is 1
Throws:
- SQLException - if there is an error accessing the CLOB value or if pos is less than 1
- SQLFeatureNotSupportedException - if the JDBC driver does not support this method
Since: 1.4
See Also: Clob.getCharacterStream(),

public int setString (long pos, String str) throws SQLException

Writes the given Java String to the CLOB value that this Clob object designates at the position pos.

Writes the given Java String to the CLOB value that this Clob object designates at the position pos. The string will overwrite the existing characters in the Clob object starting at the position pos. If the end of the Clob value is reached while writing the given string, then the length of the Clob value will be increased to accomodate the extra characters.

Note: If the value specified for pos is greater then the length+1 of the CLOB value then the behavior is undefined. Some JDBC drivers may throw a SQLException while other drivers may support this operation.
Returns: the number of characters written
Parameters:
- pos - the position at which to start writing to the CLOB value that this Clob object represents; The first position is 1
- str - the string to be written to the CLOB value that this Clob designates
Throws:
- SQLException - if there is an error accessing the CLOB value or if pos is less than 1
- SQLFeatureNotSupportedException - if the JDBC driver does not support this method
Since: 1.4

public int setString (long pos, String str, int offset, int len) throws SQLException

Writes len characters of str, starting at character offset, to the CLOB value that this Clob represents.

Writes len characters of str, starting at character offset, to the CLOB value that this Clob represents. The string will overwrite the existing characters in the Clob object starting at the position pos. If the end of the Clob value is reached while writing the given string, then the length of the Clob value will be increased to accomodate the extra characters.

Note: If the value specified for pos is greater then the length+1 of the CLOB value then the behavior is undefined. Some JDBC drivers may throw a SQLException while other drivers may support this operation.
Returns: the number of characters written
Parameters:
- pos - the position at which to start writing to this CLOB object; The first position is 1
- str - the string to be written to the CLOB value that this Clob object represents
- offset - the offset into str to start reading the characters to be written
- len - the number of characters to be written
Throws:
- SQLException - if there is an error accessing the CLOB value or if pos is less than 1
- SQLFeatureNotSupportedException - if the JDBC driver does not support this method
Since: 1.4

public void truncate (long len) throws SQLException

Truncates the CLOB value that this Clob designates to have a length of len characters.

Note: If the value specified for pos is greater then the length+1 of the CLOB value then the behavior is undefined. Some JDBC drivers may throw a SQLException while other drivers may support this operation.
Parameters:
- len - the length, in characters, to which the CLOB value should be truncated
Throws:
- SQLException - if there is an error accessing the CLOB value or if len is less than 0
- SQLFeatureNotSupportedException - if the JDBC driver does not support this method
Since: 1.4