I am new to H2 and want help to convert the following MySql sequence to H2
sequence .
MySql sequence:
CREATE DEFINER=`root`@`localhost` FUNCTION `PK_SEQUENCE`() RETURNS int(11)
BEGIN
DECLARE sequence_val INTEGER;
insert into PK_SEQUENCE values (NULL);
SELECT LAST_INSERT_ID() INTO sequence_val;
-- delete from sequence;
return sequence_val;
END
Java method calling the sequence:
public class PKSequenceService
{
public static int getPKSequence(EJFrameworkConnection connection)
{
EJStatementExecutor executor = new EJStatementExecutor();
List<EJSelectResult> results = executor.executeQuery(connection,
"SELECT PK_SEQUENCE() AS ID");
for (EJSelectResult result : results)
{
Object itemValue = result.getItemValue("ID");
if (itemValue instanceof Integer)
{
return ((Integer) itemValue).intValue();
}
}
throw new RuntimeException("Can not create PKSequence.");
}
}
please can anyone help me convert this to H2 and Java.
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