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*
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* contributor license agreements . See the NOTICE file distributed
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* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
module com { module sun { module star { module io {
published interface XInputStream;
};};};};
module com { module sun { module star { module sdbc {
/** is the mapping for the SQL
< code > CLOB < / code >
type .
< p >
A SQL
< code > CLOB < / code >
is a built - in type
that stores a Character Large Object as a column value in a row of
a database table .
The driver implements a
< code > Clob < / code >
object using a SQL
< code > locator ( CLOB ) < / code >
, which means that a
< code > Clob < / code >
object
contains a logical pointer to the SQL
< code > CLOB < / code >
data rather than
the data itself . A
< code > Clob < / code >
object is valid for the duration
of the transaction in which it was created .
< / p >
< p >
The
< code > Clob < / code >
interface provides methods for getting the
length of a SQL
< code > CLOB < / code >
( Character Large Object ) value ,
for materializing a
< code > CLOB < / code >
value on the client , and for
searching for a substring or
< code > CLOB < / code >
object within a
< code > CLOB < / code >
value .
< / p >
< p >
Methods in the interfaces
com : : sun : : star : : sdbc : : XResultSet
,
and
com : : sun : : star : : sdbc : : XPreparedStatement
, such as
< code > getClob < / code >
and
< code > setClob < / code >
allow a programmer to access the SQL < code > CLOB < / code > .
< / p >
*/
published interface XClob: com::sun::star::uno::XInterface
{
/** returns the number of characters in the
< code > CLOB < / code >
value
designated by this
< code > Clob < / code >
object .
@ returns
the length of the CLOB object
@ throws SQLException
if a database access error occurs .
*/
hyper length() raises (SQLException);
/** returns a copy of the specified substring in the
< code > Clob < / code >
value
designated by this
< code > Clob < / code >
object .
< p >
The substring begins at position < code > pos < / code > and has up
to
< code > length < / code >
consecutive characters .
< / p >
@ param pos
the starting position , 1 - based
@ param length
the length of the substring
@ returns
the substring
@ throws SQLException
if a database access error occurs .
*/
string getSubString([in]hyper pos, [in]long length) raises (SQLException);
/** gets the
< code > Clob < / code >
contents as a stream .
@ returns
the stream
@ throws SQLException
if a database access error occurs .
*/
com::sun::star::io::XInputStream getCharacterStream() raises (SQLException);
/** determines the character position at which the specified substring
< code > searchstr < / code >
appears in the
< code > Clob < / code > .
The search begins at position < code > start < / code > .
@ param searchstr
the string to search
@ param start
the starting position
@ returns
the length of the CLOB object
@ throws SQLException
if a database access error occurs .
*/
hyper position([in]string searchstr, [in]long start)
raises (SQLException);
/** determines the position at which the specified
< code > Clob < / code >
object
< code > pattern < / code >
appears in this
< code > Clob < / code >
object .
The search begins at position < code > start < / code > .
@ param pattern
the CLOB to search
@ param start
the starting position
@ returns
the position of the CLOB inside
@ throws SQLException
if a database access error occurs .
*/
hyper positionOfClob([in]XClob pattern, [in]hyper start)
raises (SQLException);
};
}; }; }; };
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