com.oceanbase.tools.dbbrowser.stats.oracle.OBOracleNoLessThan2270StatsAccessor Maven / Gradle / Ivy

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db-browser is used to quickly access databases and manage various database objects.

There is a newer version: 1.2.0

/*
 * Copyright (c) 2023 OceanBase.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.oceanbase.tools.dbbrowser.stats.oracle;

import org.springframework.jdbc.core.JdbcOperations;

import com.oceanbase.tools.dbbrowser.model.DBSession;
import com.oceanbase.tools.dbbrowser.model.DBSession.DBTransState;

/**
 * {@link OBOracleNoLessThan2270StatsAccessor}
 * 
 * @author yh263208
 * @date 2022-02-27 21:07
 * @since db-browser_1.0.0-SNAPSHOT
 */
public class OBOracleNoLessThan2270StatsAccessor extends BaseOBOracleStatsAccessor {

    private static final String QUERY_CURRENT_SESSIONID = "SELECT userenv('sessionid') FROM DUAL";

    public OBOracleNoLessThan2270StatsAccessor(JdbcOperations jdbcOperations) {
        super(jdbcOperations);
    }

    @Override
    public DBSession currentSession() {
        String sessionId;
        sessionId = jdbcOperations.queryForObject(QUERY_CURRENT_SESSIONID, String.class);
        // for oracle mode, there is not processlist like view before ob4.0
        DBSession session = new DBSession();
        session.setId(sessionId);
        session.setTransState(DBTransState.UNKNOWN);
        return session;
    }

}