使用ojbc7连接oracle12c,执行“alter session set container = ypdb2”,似乎不行;
但我使用sqlplus来执行,这是工作;
这是我的代码;
OracleDataSource oracleDataSource = new OracleDataSource();
oracleDataSource.setURL("jdbc:oracle:thin:@127.0.0.1:1521/orcl");
Connection connection = oracleDataSource.getConnection("sys as sysdba", "123456");
PreparedStatement preparedStatement = connection.prepareStatement("alter session set container=YPDB2");
log.info("{}",preparedStatement.executeUpdate());
控制台打印0似乎影响零行;
这是否意味着“改变”没有成功?
这似乎是一个ojbc的错误;
@Test
public void testAlterSession() throws SQLException {
OracleDataSource oracleDataSource = new OracleDataSource();
oracleDataSource.setURL("jdbc:oracle:thin:@127.0.0.1:1521/ypdb9");
Connection sys_as_sysdba_connection = oracleDataSource.getConnection("sys as sysdba", "123456");
int i = sys_as_sysdba_connection.createStatement().executeUpdate("alter session set container=ypdb9");
log.info("i:{}",i);
List<Map<String, Object>> maps = OdbcUtil.resultSetToList(sys_as_sysdba_connection.createStatement().executeQuery("select * from v$pdbs"));
maps.forEach(map->log.info("{}",map));
sys_as_sysdba_connection.createStatement().executeUpdate("alter session set container=cdb$root");
List<Map<String,Object>> maps2 = OdbcUtil.resultSetToList(sys_as_sysdba_connection.createStatement().executeQuery("select * from v$pdbs"));
maps2.forEach(map->log.info("{}",map));
}
在这个测试中,“excuteUpdate(sql)”返回0,但是当我再次选择pdb时,“容器”确实会改变。
我不知道为什么;