Apache Derby Client JDBC Driver 10.17.1.0 · org.apache.derby.client.am.ClientClob

Modifier and Type	Field and Description
private InputStream	asciiStream_
private Reader	characterStream_
protected String	string_
private InputStream	unicodeStream_
private byte[]	utf8String_

Access	Constructor and Description
public	ClientClob(Agent agent, String string)
public	ClientClob(Agent agent, byte[] unconvertedBytes, Charset charset, int dataOffset)
public	ClientClob(Agent agent, InputStream inputStream, Charset encoding, int length)
pack-priv	ClientClob(Agent agent, InputStream the data to insert inputStream, Charset encoding to use for characters. Only "ISO-8859-1" is allowed. encoding) Create a `ClientClob` of unknown length with the specified encoding.
pack-priv	ClientClob(Agent agent, Reader reader, int length)
public	ClientClob(Agent context for this `Clob` object (incl. connection). agent, int reference id to `Clob` value on server. locator) Create a `ClientClob` object for a Clob value stored on the server and indentified by `locator`.
pack-priv	ClientClob(Agent agent, Reader the data to insert reader) Create a `ClientClob` of unknown length.
private	ClientClob(Agent agent, boolean willBeLayerBStreamed)

Method Summary

Modifier and Type	Method and Description
public void	free() Implements java.sql.Clob.free. This method frees the `Clob` object and releases the resources the resources that it holds.
public InputStream	getAsciiStream() Implements java.sql.Clob.getAsciiStream. Retrieves the `CLOB` value designated by this `Clob` object as an ascii stream.
pack-priv InputStream	getAsciiStreamX()
public Reader	getCharacterStream() Implements java.sql.Clob.getCharacterStream. Retrieves the `CLOB` value designated by this `Clob` object as a `java.io.Reader` object (or as a stream of characters).
public Reader	Returns: `Reader` through which the partial `Clob` value can be read. getCharacterStream(long the offset to the first character of the partial value to be retrieved. The first character in the Clob is at position 1. pos, long the length in characters of the partial value to be retrieved. length) Implements java.sql.Clob.getCharacterStream. Returns a `Reader` object that contains a partial `Clob` value, starting with the character specified by pos, which is length characters in length.
pack-priv Reader	getCharacterStreamX()
pack-priv long	Returns: length of `Clob` in bytes getLocatorLength() Overrides org.apache.derby.client.am.Lob.getLocatorLength. Get the length in bytes of the `Clob` value represented by this locator based `Clob` object.
public String	getString()
public String	Returns: a `String` that is the specified substring in the `CLOB` value designated by this `ClientClob` object getSubString(long the first character of the substring to be extracted. The first character is at position 1. pos, int the number of consecutive characters to be copied length) Implements java.sql.Clob.getSubString. Returns a copy of the specified substring in the `CLOB` value designated by this `ClientClob` object.
private String	getSubStringX(long pos, int length)
public InputStream	getUnicodeStream()
public int	getUTF8Length()
public byte[]	getUtf8String()
public boolean	isAsciiStream()
public boolean	isCharacterStream()
public boolean	isString()
public boolean	isUnicodeStream()
public long	length() Implements abstract org.apache.derby.client.am.Lob.length. Implements java.sql.Clob.length. Retrieves the number of characters in the `CLOB` value designated by this `Clob` object.
protected void	materializeStream() Implements abstract org.apache.derby.client.am.Lob.materializeStream. Materialize the stream used for input to the database.
public long	position(String the substring for which to search searchstr, long the position at which to begin searching; the first position is 1 start) Implements java.sql.Clob.position. Retrieves the character position at which the specified substring `searchstr` appears in the SQL `CLOB` value represented by this `Clob` object.
public long	position(Clob the `Clob` object for which to search searchstr, long the position at which to begin searching; the first position is 1 start) Implements java.sql.Clob.position. Retrieves the character position at which the specified `Clob` object `searchstr` appears in this `Clob` object.
private long	positionX(String searchstr, long start)
private long	positionX(Clob searchstr, long start)
pack-priv void	reInitForNonLocator(String the new value newString) Reinitialize the value of this CLOB.
public OutputStream	setAsciiStream(long the position at which to start writing to this `CLOB` object; The first position is 1 pos) Implements java.sql.Clob.setAsciiStream. Retrieves a stream to be used to write Ascii characters to the `CLOB` value that this `Clob` object represents, starting at position `pos`.
public Writer	setCharacterStream(long the position at which to start writing to the `CLOB` value; The first position is 1 pos) Implements java.sql.Clob.setCharacterStream. 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`.
public int	setString(long the position at which to start writing to the `CLOB` value that this `Clob` object represents; the first position is 1. pos, String the string to be written to the `CLOB` value that this `Clob` designates str) Implements java.sql.Clob.setString. Writes the given Java `String` to the `CLOB` value that this `Clob` object designates at the position `pos`.
public int	setString(long the position at which to start writing to this `CLOB` object; The first position is 1 pos, String the string to be written to the `CLOB` value that this `Clob` object represents str, int the offset into `str` to start reading the characters to be written offset, int the number of characters to be written len) Implements java.sql.Clob.setString. Writes `len` characters of `str`, starting at character `offset`, to the `CLOB` value that this `Clob` represents.
pack-priv int	setStringX(long pos, String str, int offset, int len)
public void	truncate(long the length, in characters, to which the `CLOB` value should be truncated len) Implements java.sql.Clob.truncate. Truncates the `CLOB` value that this `Clob` designates to have a length of `len` characters.

Inherited from org.apache.derby.client.am.Lob:: checkForClosedConnection checkForLocatorValidity checkPosAndLength checkValidity completeLocalCommit completeLocalRollback getAgent getLocator getUpdateCount incrementUpdateCount isLayerBStreamingPossible isLocator listenToUnitOfWork materializeStream setSqlLength sqlLength willBeLayerBStreamed

asciiStream_	back to summary
private InputStream asciiStream_

characterStream_	back to summary
private Reader characterStream_

string_	back to summary
protected String string_

unicodeStream_	back to summary
private InputStream unicodeStream_

utf8String_	back to summary
private byte[] utf8String_

ClientClob	back to summary
public ClientClob(Agent agent, String string)

ClientClob	back to summary
public ClientClob(Agent agent, byte[] unconvertedBytes, Charset charset, int dataOffset) throws SqlException

ClientClob	back to summary
public ClientClob(Agent agent, InputStream inputStream, Charset encoding, int length)

ClientClob	back to summary
pack-priv ClientClob(Agent agent, InputStream inputStream, Charset encoding) throws SqlException Create a `ClientClob` of unknown length with the specified encoding. This constructor was added to support the JDBC 4 length less overloads. Note that a `ClientClob` created with this constructor is made for input to the database only. Do not pass it out to the user! Parameters inputStream:InputStream the data to insert encoding:Charset encoding to use for characters. Only "ISO-8859-1" is allowed.

ClientClob	back to summary
pack-priv ClientClob(Agent agent, Reader reader, int length)

ClientClob	back to summary
public ClientClob(Agent agent, int locator) Create a `ClientClob` object for a Clob value stored on the server and indentified by `locator`. Parameters agent:Agent context for this `Clob` object (incl. connection). locator:int reference id to `Clob` value on server.

ClientClob	back to summary
pack-priv ClientClob(Agent agent, Reader reader) Create a `ClientClob` of unknown length. This constructor was added to support the JDBC 4 length less overloads. Note that a `ClientClob` created with this constructor is made for input to the database only. Do not pass it out to the user! Parameters reader:Reader the data to insert

ClientClob	back to summary
private ClientClob(Agent agent, boolean willBeLayerBStreamed)

Method Detail

free back to summary

free	back to summary
public void free() throws SQLException Implements java.sql.Clob.free. 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. If `free` is called multiple times, the subsequent calls to `free` are treated as a no-op. Exceptions SQLException: if an error occurs releasing the Clob's resources

public void free() throws SQLException

Implements java.sql.Clob.free.

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. If free is called multiple times, the subsequent calls to free are treated as a no-op.

Exceptions

SQLException:: if an error occurs releasing the Clob's resources

getAsciiStream back to summary

getAsciiStream	back to summary
public InputStream getAsciiStream() throws SQLException Implements java.sql.Clob.getAsciiStream. Doc from java.sql.Clob.getAsciiStream. Retrieves the `CLOB` value designated by this `Clob` object as an ascii stream. Returns:InputStream a `java.io.InputStream` object containing the `CLOB` data Exceptions SQLException: if there is an error accessing the `CLOB` value

public InputStream getAsciiStream() throws SQLException

Implements java.sql.Clob.getAsciiStream.

Doc from java.sql.Clob.getAsciiStream.

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

Returns:InputStream

a java.io.InputStream object containing the CLOB data

Exceptions

SQLException:: if there is an error accessing the CLOB value

getAsciiStreamX	back to summary
pack-priv InputStream getAsciiStreamX() throws SqlException

getCharacterStream back to summary

getCharacterStream	back to summary
public Reader getCharacterStream() throws SQLException Implements java.sql.Clob.getCharacterStream. Doc from java.sql.Clob.getCharacterStream. Retrieves the `CLOB` value designated by this `Clob` object as a `java.io.Reader` object (or as a stream of characters). Returns:Reader a `java.io.Reader` object containing the `CLOB` data Exceptions SQLException: if there is an error accessing the `CLOB` value

public Reader getCharacterStream() throws SQLException

Implements java.sql.Clob.getCharacterStream.

Doc from java.sql.Clob.getCharacterStream.

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

Returns:Reader

a java.io.Reader object containing the CLOB data

Exceptions

SQLException:: if there is an error accessing the CLOB value

getCharacterStream back to summary

getCharacterStream	back to summary
public Reader getCharacterStream(long pos, long length) throws SQLException Implements java.sql.Clob.getCharacterStream. Returns a `Reader` object that contains a partial `Clob` value, starting with the character specified by pos, which is length characters in length. Parameters pos:long the offset to the first character of the partial value to be retrieved. The first character in the Clob is at position 1. length:long the length in characters of the partial value to be retrieved. Returns:Reader `Reader` through which the partial `Clob` value can be read. Exceptions 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 `Clob.length() +1`

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

Implements java.sql.Clob.getCharacterStream.

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

Parameters

pos:long: the offset to the first character of the partial value to be retrieved. The first character in the Clob is at position 1.
length:long: the length in characters of the partial value to be retrieved.

Returns:Reader

Reader through which the partial Clob value can be read.

Exceptions

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 Clob.length() +1

getCharacterStreamX	back to summary
pack-priv Reader getCharacterStreamX() throws SqlException

getLocatorLength back to summary

getLocatorLength	back to summary
pack-priv long getLocatorLength() throws SqlException Overrides org.apache.derby.client.am.Lob.getLocatorLength. Get the length in bytes of the `Clob` value represented by this locator based `Clob` object. A stored procedure call will be made to get it from the server. Returns:long length of `Clob` in bytes

pack-priv long getLocatorLength() throws SqlException

Overrides org.apache.derby.client.am.Lob.getLocatorLength.

Get the length in bytes of the Clob value represented by this locator based Clob object. A stored procedure call will be made to get it from the server.

Returns:long: length of Clob in bytes

getString	back to summary
public String getString()

getSubString back to summary

getSubString	back to summary
public String getSubString(long pos, int length) throws SQLException Implements java.sql.Clob.getSubString. Returns a copy of the specified substring in the `CLOB` value designated by this `ClientClob` object. The substring begins at position `pos` and has up to `length` consecutive characters. The starting position must be between 1 and the length of the CLOB plus 1. This allows for zero-length CLOB values, from which only zero-length substrings can be returned. If a larger length is requested than there are characters available, characters to the end of the CLOB are returned. Parameters pos:long the first character of the substring to be extracted. The first character is at position 1. length:int the number of consecutive characters to be copied Returns:String a `String` that is the specified substring in the `CLOB` value designated by this `ClientClob` object Exceptions SQLException: if there is an error accessing the `CLOB` NOTE: If the starting position is the length of the CLOB plus 1, zero characters are returned regardless of the length requested.

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

Implements java.sql.Clob.getSubString.

Returns a copy of the specified substring in the CLOB value designated by this ClientClob object. The substring begins at position pos and has up to length consecutive characters. The starting position must be between 1 and the length of the CLOB plus 1. This allows for zero-length CLOB values, from which only zero-length substrings can be returned. If a larger length is requested than there are characters available, characters to the end of the CLOB are returned.

Parameters

pos:long: the first character of the substring to be extracted. The first character is at position 1.
length:int: the number of consecutive characters to be copied

Returns:String

a String that is the specified substring in the CLOB value designated by this ClientClob object

Exceptions

SQLException:: if there is an error accessing the CLOB NOTE: If the starting position is the length of the CLOB plus 1, zero characters are returned regardless of the length requested.

getSubStringX	back to summary
private String getSubStringX(long pos, int length) throws SqlException

getUnicodeStream	back to summary
public InputStream getUnicodeStream()

getUTF8Length	back to summary
public int getUTF8Length()

getUtf8String	back to summary
public byte[] getUtf8String()

isAsciiStream	back to summary
public boolean isAsciiStream()

isCharacterStream	back to summary
public boolean isCharacterStream()

isString	back to summary
public boolean isString()

isUnicodeStream	back to summary
public boolean isUnicodeStream()

length back to summary

length	back to summary
public long length() throws SQLException Implements abstract org.apache.derby.client.am.Lob.length. Implements java.sql.Clob.length. Doc from java.sql.Clob.length. Retrieves the number of characters in the `CLOB` value designated by this `Clob` object. Returns:long length of the `CLOB` in characters Exceptions SQLException: if there is an error accessing the length of the `CLOB` value

public long length() throws SQLException

Implements abstract org.apache.derby.client.am.Lob.length.

Implements java.sql.Clob.length.

Doc from java.sql.Clob.length.

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

Returns:long

length of the CLOB in characters

Exceptions

SQLException:: if there is an error accessing the length of the CLOB value

materializeStream	back to summary
protected void materializeStream() throws SqlException Implements abstract org.apache.derby.client.am.Lob.materializeStream. Materialize the stream used for input to the database. Exceptions SqlException: on error

materializeStream

back to summary

protected void materializeStream() throws SqlException

Implements abstract org.apache.derby.client.am.Lob.materializeStream.

Materialize the stream used for input to the database.

Exceptions

SqlException:: on error

position back to summary

position	back to summary
public long position(String searchstr, long start) throws SQLException Implements java.sql.Clob.position. Doc from java.sql.Clob.position. 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`. Parameters searchstr:String the substring for which to search start:long the position at which to begin searching; the first position is 1 Returns:long the position at which the substring appears or -1 if it is not present; the first position is 1 Exceptions SQLException: if there is an error accessing the `CLOB` value or if pos is less than 1

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

Implements java.sql.Clob.position.

Doc from java.sql.Clob.position.

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.

Parameters

searchstr:String: the substring for which to search
start:long: the position at which to begin searching; the first position is 1

Returns:long

the position at which the substring appears or -1 if it is not present; the first position is 1

Exceptions

SQLException:: if there is an error accessing the CLOB value or if pos is less than 1

position back to summary

position	back to summary
public long position(Clob searchstr, long start) throws SQLException Implements java.sql.Clob.position. Doc from java.sql.Clob.position. Retrieves the character position at which the specified `Clob` object `searchstr` appears in this `Clob` object. The search begins at position `start`. Parameters searchstr:Clob the `Clob` object for which to search start:long the position at which to begin searching; the first position is 1 Returns:long the position at which the `Clob` object appears or -1 if it is not present; the first position is 1 Exceptions SQLException: if there is an error accessing the `CLOB` value or if start is less than 1

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

Implements java.sql.Clob.position.

Doc from java.sql.Clob.position.

Retrieves the character position at which the specified Clob object searchstr appears in this Clob object. The search begins at position start.

Parameters

searchstr:Clob: the Clob object for which to search
start:long: the position at which to begin searching; the first position is 1

Returns:long

the position at which the Clob object appears or -1 if it is not present; the first position is 1

Exceptions

SQLException:: if there is an error accessing the CLOB value or if start is less than 1

positionX	back to summary
private long positionX(String searchstr, long start) throws SqlException

positionX	back to summary
private long positionX(Clob searchstr, long start) throws SqlException

reInitForNonLocator	back to summary
pack-priv void reInitForNonLocator(String newString) Reinitialize the value of this CLOB. This is legacy code, only used when talking to servers that don't support locators. Parameters newString:String the new value Annotations @SuppressWarnings:deprecation

reInitForNonLocator

back to summary

pack-priv void reInitForNonLocator(String newString)

Reinitialize the value of this CLOB. This is legacy code, only used when talking to servers that don't support locators.

Parameters

newString:String: the new value

Annotations

@SuppressWarnings:deprecation

setAsciiStream back to summary

setAsciiStream	back to summary
public OutputStream setAsciiStream(long pos) throws SQLException Implements java.sql.Clob.setAsciiStream. Doc from java.sql.Clob.setAsciiStream. 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 accommodate the extra characters. Note If the value specified for `pos` is greater than the length+1 of the `CLOB` value then the behavior is undefined. Some JDBC drivers may throw an `SQLException` while other drivers may support this operation. Parameters pos:long the position at which to start writing to this `CLOB` object; The first position is 1 Returns:OutputStream the stream to which ASCII encoded characters can be written Exceptions SQLException: if there is an error accessing the `CLOB` value or if pos is less than 1

public OutputStream setAsciiStream(long pos) throws SQLException

Implements java.sql.Clob.setAsciiStream.

Doc from java.sql.Clob.setAsciiStream.

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 accommodate the extra characters.

Note

If the value specified for pos is greater than the length+1 of the CLOB value then the behavior is undefined. Some JDBC drivers may throw an SQLException while other drivers may support this operation.

Parameters

pos:long: the position at which to start writing to this CLOB object; The first position is 1

Returns:OutputStream

the stream to which ASCII encoded characters can be written

Exceptions

SQLException:: if there is an error accessing the CLOB value or if pos is less than 1

setCharacterStream back to summary

setCharacterStream	back to summary
public Writer setCharacterStream(long pos) throws SQLException Implements java.sql.Clob.setCharacterStream. Doc from java.sql.Clob.setCharacterStream. 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 accommodate the extra characters. Note If the value specified for `pos` is greater than the length+1 of the `CLOB` value then the behavior is undefined. Some JDBC drivers may throw an `SQLException` while other drivers may support this operation. Parameters pos:long the position at which to start writing to the `CLOB` value; The first position is 1 Returns:Writer a stream to which Unicode encoded characters can be written Exceptions SQLException: if there is an error accessing the `CLOB` value or if pos is less than 1

public Writer setCharacterStream(long pos) throws SQLException

Implements java.sql.Clob.setCharacterStream.

Doc from java.sql.Clob.setCharacterStream.

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 accommodate the extra characters.

Note

Parameters

pos:long: the position at which to start writing to the CLOB value; The first position is 1

Returns:Writer

a stream to which Unicode encoded characters can be written

Exceptions

SQLException:: if there is an error accessing the CLOB value or if pos is less than 1

setString back to summary

setString	back to summary
public int setString(long pos, String str) throws SQLException Implements java.sql.Clob.setString. Doc from java.sql.Clob.setString. 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 accommodate the extra characters. Note If the value specified for `pos` is greater than the length+1 of the `CLOB` value then the behavior is undefined. Some JDBC drivers may throw an `SQLException` while other drivers may support this operation. Parameters pos:long the position at which to start writing to the `CLOB` value that this `Clob` object represents; the first position is 1. str:String the string to be written to the `CLOB` value that this `Clob` designates Returns:int the number of characters written Exceptions SQLException: if there is an error accessing the `CLOB` value or if pos is less than 1

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

Implements java.sql.Clob.setString.

Doc from java.sql.Clob.setString.

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 accommodate the extra characters.

Note

Parameters

pos:long: the position at which to start writing to the CLOB value that this Clob object represents; the first position is 1.
str:String: the string to be written to the CLOB value that this Clob designates

Returns:int

the number of characters written

Exceptions

SQLException:: if there is an error accessing the CLOB value or if pos is less than 1

setString back to summary

setString	back to summary
public int setString(long pos, String str, int offset, int len) throws SQLException Implements java.sql.Clob.setString. Doc from java.sql.Clob.setString. 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 accommodate the extra characters. Note If the value specified for `pos` is greater than the length+1 of the `CLOB` value then the behavior is undefined. Some JDBC drivers may throw an `SQLException` while other drivers may support this operation. Parameters pos:long the position at which to start writing to this `CLOB` object; The first position is 1 str:String the string to be written to the `CLOB` value that this `Clob` object represents offset:int the offset into `str` to start reading the characters to be written len:int the number of characters to be written Returns:int the number of characters written Exceptions SQLException: if there is an error accessing the `CLOB` value or if pos is less than 1

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

Implements java.sql.Clob.setString.

Doc from java.sql.Clob.setString.

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 accommodate the extra characters.

Note

Parameters

pos:long: the position at which to start writing to this CLOB object; The first position is 1
str:String: the string to be written to the CLOB value that this Clob object represents
offset:int: the offset into str to start reading the characters to be written
len:int: the number of characters to be written

Returns:int

the number of characters written

Exceptions

SQLException:: if there is an error accessing the CLOB value or if pos is less than 1

setStringX	back to summary
pack-priv int setStringX(long pos, String str, int offset, int len) throws SqlException

truncate back to summary

truncate	back to summary
public void truncate(long len) throws SQLException Implements java.sql.Clob.truncate. Doc from java.sql.Clob.truncate. Truncates the `CLOB` value that this `Clob` designates to have a length of `len` characters. Note If the value specified for `pos` is greater than the length+1 of the `CLOB` value then the behavior is undefined. Some JDBC drivers may throw an `SQLException` while other drivers may support this operation. Parameters len:long the length, in characters, to which the `CLOB` value should be truncated Exceptions SQLException: if there is an error accessing the `CLOB` value or if len is less than 0

public void truncate(long len) throws SQLException

Implements java.sql.Clob.truncate.

Doc from java.sql.Clob.truncate.

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

Note

Parameters

len:long: the length, in characters, to which the CLOB value should be truncated

Exceptions

SQLException:: if there is an error accessing the CLOB value or if len is less than 0

public Class ClientClob

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Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail