Java JDBC Database Metadata tableExists(Connection connection, String tableName)

Description

table Exists

License

Apache License

Declaration

public static boolean tableExists(Connection connection, String tableName) throws SQLException 

Method Source Code

//package com.java2s;
/*//ww w. j  a v a  2s  .c  om
 * This file is part of Alpine.
 *
 * 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.
 *
 * Copyright (c) Steve Springett. All Rights Reserved.
 */

import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.ResultSet;
import java.sql.SQLException;

import java.util.ArrayList;

public class Main {
    public static boolean tableExists(Connection connection, String tableName) throws SQLException {
        for (String s : getTableNames(connection)) {
            if (s.equals(tableName)) {
                return true;
            }
        }
        return false;
    }

    public static ArrayList<String> getTableNames(Connection connection) throws SQLException {
        ArrayList<String> tableNames = new ArrayList<>();
        DatabaseMetaData databaseMetaData = connection.getMetaData();
        ResultSet resultSet = databaseMetaData.getTables(null, null, null, new String[] { "TABLE" });
        while (resultSet.next()) {
            tableNames.add(resultSet.getString("TABLE_NAME"));
        }
        return tableNames;
    }
}

Related

1. printExistingTables(Connection conn)
2. printMetaData(Connection con)
3. printTableExistence(String name, Connection conn)
4. sequenceExists(String seqName, Connection conn)
5. tableExists(Connection con, String table)
6. tableExists(Connection connection, String tableName)
7. tableExists(DatabaseMetaData metaData, String tableName)
8. tableExists(String tableName, Connection conn)
9. tableExists(String tableName, DatabaseMetaData dbm)