Java SQL Table Column columnLabels(final ResultSet results)

Description

column Labels

License

Apache License

Declaration

static Set<String> columnLabels(final ResultSet results) throws SQLException 

Method Source Code

//package com.java2s;
/*//from   w w  w.  j a  v  a2s  . c om
 * Copyright 2015 Jin Kwon <jinahya_at_gmail.com>.
 *
 * 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.
 */

import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;

import java.util.HashSet;

import java.util.Set;

public class Main {
    static Set<String> columnLabels(final ResultSet results) throws SQLException {
        final ResultSetMetaData rsmd = results.getMetaData();
        final int columnCount = rsmd.getColumnCount();
        final Set<String> columnLabels = new HashSet<String>(columnCount);
        for (int i = 1; i <= columnCount; i++) {
            columnLabels.add(rsmd.getColumnLabel(i));
        }
        return columnLabels;
    }
}

Related

1. columnExists(Connection con, String tableName, String columnName)
2. columnExists(Connection connection, String table, String column)
3. containsColumn(ResultSet rs, String columnName)
4. extractColumnTypeName(ResultSetMetaData resultSetMetaData, int index)
5. generateKey(Statement statement, String TableName, String KeyColumn)
6. getAllFromSensorDb( final Connection jdbcConnection, final String tableName, final String orderByColumn)