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*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* 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 sdbc {
published interface XConnection;
published interface XResultSet;
/** is used for executing a static SQL statement and obtaining the results
produced by it .
< p >
Only one ResultSet per Statement can be open at any point in
time ; therefore , if the reading of one ResultSet is interleaved
with the reading of another , each must have been generated by
different Statements . All statement
< code > execute < / code >
methods implicitly
close a statement ' s current ResultSet if an open one exists .
< / p >
*/
published interface XStatement: com::sun::star::uno::XInterface
{
/** executes a SQL statement that returns a single ResultSet.
@ param sql
the SQL statement which should be executed
@ returns
a ResultSet that contains the data produced by the query ; never ` NULL `
@ throws SQLException
if a database access error occurs .
*/
XResultSet executeQuery([in]string sql) raises (SQLException);
/** executes an SQL INSERT, UPDATE, or DELETE statement. In addition,
SQL statements that return nothing , such as SQL DDL statements ,
can be executed .
@ param sql
a SQL INSERT , UPDATE or DELETE statement or a SQL statement that returns nothing
@ returns
either the row count for INSERT , UPDATE or DELETE or 0 for SQL statements that return nothing
@ throws SQLException
if a database access error occurs .
*/
long executeUpdate([in]string sql) raises (SQLException);
/** executes a SQL statement that may return multiple results.
< p >
Under some ( uncommon ) situations a single SQL statement may return
multiple result sets and / or update counts . Normally you can ignore
this unless you are ( 1 ) executing a stored procedure that you know may
return multiple results or ( 2 ) you are dynamically executing an
unknown SQL string . The navigation through multiple results is covered by
com : : sun : : star : : sdbc : : XMultipleResults .
< / p >
< p >
The
< code > execute < / code >
method executes a SQL statement and indicates
the form of the first result . You can then use
com : : sun : : star : : sdbc : : XMultipleResults : : getResultSet ( )
or
com : : sun : : star : : sdbc : : XMultipleResults : : getUpdateCount ( )
to retrieve the result , and
com : : sun : : star : : sdbc : : XMultipleResults : : getMoreResults ( )
to move to any subsequent result ( s ) .
< / p >
@ param sql
any SQL statement
@ returns
` TRUE ` if the next result is a ResultSet ; ` FALSE ` if it is an update count or there are no more results
@ throws SQLException
if a database access error occurs .
*/
boolean execute([in]string sql) raises (SQLException);
/** returns the
com : : sun : : star : : sdbc : : Connection
object
that produced this
< code > Statement < / code >
object .
@ returns
the connection that produced this statement
@ throws SQLException
if a database access error occurs .
*/
XConnection getConnection() raises (SQLException);
};
}; }; }; };
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