public class H2Dao {
    private NamedParameterJdbcTemplate t;
    @Autowired
    public H2Dao(@Qualifier("H2JdbcTemplate") NamedParameterJdbcTemplate t) {
        this.t=t;
    }
}

<jdbc:embedded-database id="h2DataSource" type="H2">
        <jdbc:script location="classpath:db/sql/h2.init.sql" />
    </jdbc:embedded-database>

<bean id="H2JdbcTemplate" class="org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate">
        <constructor-arg ref="h2DataSource" name="dataSource" />
    </bean>

CREATE ALIAS ROWNUM_OVER FOR "com.xx.xxxx.h2.H2Function.rowNumOver";
CREATE ALIAS DBO_UFUN_ADDDATETIME FOR "com.xx.xxxx.h2.H2Function.addDateTime";