verifying update in pl/sql

[Padmanabh Sahasrabudhe]

Hi All,

I am running an updated statement thru' the procedure, which is being called from Java. What way can I ensure that the rows are updated?

As I am calling the CallableStatement I have the getUpdateCount method, but this returns something else than what I was looking for.

Here is the code:

CallableStatement statement = connection.prepareCall("CALL UPDATE_CONFIGURATION(?,?,?,?,?)");
String type = configuration.getType();
String name = configuration.getName();
String value = configuration.getValue();
String properties = "";
String id = configuration.getId();

statement.setString(1, type);
statement.setString(2, name);
statement.setString(3, value);
statement.setString(4, properties);
statement.setInt(5, Integer.parseInt(id));
statement.execute();
int rowsUpdated = statement.getUpdateCount();
if (rowsUpdated <= 0) {
throw new ConfigurationNotFoundException("Configuration id \"" + id + "\" not found.");
}
statement.close();

I get ConfigurationNotFoundException thrown even if there is proper update. What method should I use to verify if any rows are updated?

Thanks,
Padmanabh

[Campbell Ritchie]

Read the API documentation for Statement#execute(java.lang.String) and see what it returns. Then go to getUpdateCount and see what it returns.

[Hemavathy Ramamoorthy Gopal]

Hi,

getUpdateCount() ---- used to retrieves the current result as an update count; if the result is a ResultSet object or there are no more results, -1 is returned.

Since procedure is used it will result in -1 so it is throwing expection even if updation is happening correclty, to avoid this exception inside procedure you try to return some value greater than according to your validation if the updation goes fine.