Java Mysql Hive操作

package com.sys.store;
import java.beans.Statement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import com.common.*;
public class FSHsysMysqlOperator extends FSHsysStoageBase  {
    private Connection m_handle = null;
    private PreparedStatement statement = null;
    //private DBConfig m_oDBConfig;

    public FSHsysMysqlOperator(DBConfig obj) {
        m_oDBConfig = obj;
    }

    public int open( ) {

        String url = "jdbc:mysql://" + m_oDBConfig.m_strHostName + ":" + m_oDBConfig.m_strPort + "/"
                + m_oDBConfig.m_strDBName + "?characterEncoding=UTF-8";
        System.out.println( url );
        try {
            Class.forName("com.mysql.jdbc.Driver");
            m_handle = DriverManager.getConnection(url, m_oDBConfig.m_strUserName, m_oDBConfig.m_strPasswd);
            return 1;
        } catch (ClassNotFoundException cnfex) {
            cnfex.printStackTrace();
        } catch (SQLException sqlex) {
            System.out.println(sqlex.getErrorCode()   );
            sqlex.printStackTrace();
        }
        return 0;
    }



    public void close() {
        try {
            if ( m_handle != null)
                m_handle.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public FSHsysResult exec( String sql ){
        try {
            statement = m_handle.prepareStatement(sql);
            FSHsysResult pMysqlResult = new FSHsysMysqlResult();
            pMysqlResult.Assign(    statement.executeQuery( sql )  );
            return  pMysqlResult ; 
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    public boolean cmd(String sql){
        try {
            statement = m_handle.prepareStatement(sql);
            statement.executeUpdate( sql );
            return true;
        } catch (SQLException e) {
            e.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }
    // override finalize to recycle db 
    protected void  finalize(){
        this.close(); 
    }

}

package com.sys.store;


import java.beans.Statement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;

public class FSHsysResult  {
    private ResultSet m_oResultSet;

    public void Assign(ResultSet obj) {
        m_oResultSet = obj;
    }

    public int GetColumnCount() throws SQLException {
        try {
            return m_oResultSet.getMetaData().getColumnCount();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return -1;
    }

    public int GetRowCount() {
        try {
            m_oResultSet.last();

            int iRow = m_oResultSet.getRow();
            m_oResultSet.beforeFirst();
            return iRow;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return -1;
    }

    public String GetColumnName(int index) {

        try {
            return m_oResultSet.getMetaData().getColumnName(index);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return "";
    }

    public String GetValue(int iRow, int iCol ) {
        try {
            String strType = this.GetType(iCol);
            String strValue="";
            switch (strType) {
            case "INT":
                this.cursorMove(iRow);
                strValue = Integer.toString(m_oResultSet.getInt(iCol));
                break;
            case "VARCHAR":
                this.cursorMove(iRow);
                strValue = m_oResultSet.getString(iCol);
                break;
            default:
                throw new Exception() ; 
            }
            return strValue ; 
        } catch (Exception e) {
            e.printStackTrace();
        }
        return  "" ;
    }



    private String GetType(int iCol) {
        try {
            String strType = m_oResultSet.getMetaData().getColumnTypeName(iCol);
            return strType;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return "";
    }

    private void cursorMove(int iRow) {
        try {
            m_oResultSet.beforeFirst();
            int iRowWalk = 0;
            while (m_oResultSet.next()) {
                iRowWalk++;
                if (iRow == iRowWalk) {
                    return;
                }
            }
            m_oResultSet.beforeFirst();
        } catch (Exception e) {
            e.printStackTrace();
        }

    }

}