/**
* Executes a statement (insert, update, delete, create, drop) and returns the update count. If
* another result set exists for this statement, this will be closed (even if this statement
* fails).
*
* <p>If auto commit is on, this statement will be committed. If the statement is a DDL statement
* (create, drop, alter) and does not throw an exception, the current transaction (if any) is
* committed after executing the statement.
*
* @return the update count (number of row affected by an insert, update or delete, or 0 if no
* rows or the statement was a create, drop, commit or rollback)
* @throws SQLException if this object is closed or invalid
*/
@Override
public int executeUpdate() throws SQLException {
try {
checkClosed();
if (command.isQuery()) {
super.executeQuery();
return 0;
}
return super.executeUpdate();
} catch (Exception e) {
throw logAndConvert(e);
}
}
private void checkClosed() {
prep.checkClosed();
}