* @throws SQLException - if the insert fails
*/
public Object insert(SessionScope sessionScope, String id, Object param) throws SQLException {
Object generatedKey = null;
MappedStatement ms = getMappedStatement(id);
Transaction trans = getTransaction(sessionScope);
boolean autoStart = trans == null;
try {
trans = autoStartTransaction(sessionScope, autoStart, trans);
SelectKeyStatement selectKeyStatement = null;
if (ms instanceof InsertStatement) {
selectKeyStatement = ((InsertStatement) ms).getSelectKeyStatement();
}
// Here we get the old value for the key property. We'll want it later if for some reason the
// insert fails.
Object oldKeyValue = null;
String keyProperty = null;
boolean resetKeyValueOnFailure = false;
if (selectKeyStatement != null && !selectKeyStatement.isRunAfterSQL()) {
keyProperty = selectKeyStatement.getKeyProperty();
oldKeyValue = PROBE.getObject(param, keyProperty);
generatedKey = executeSelectKey(sessionScope, trans, ms, param);
resetKeyValueOnFailure = true;
}
StatementScope statementScope = beginStatementScope(sessionScope, ms);
try {
ms.executeUpdate(statementScope, trans, param);
} catch (SQLException e) {
// uh-oh, the insert failed, so if we set the reset flag earlier, we'll put the old value
// back...
if (resetKeyValueOnFailure)
PROBE.setObject(param, keyProperty, oldKeyValue);