Java SQL Table Column hasColumn(ResultSet rs, String columnName)

Description

Checks for column.

License

Apache License

Parameter

Parameter	Description
rs	the rs
columnName	the column name

Exception

Parameter	Description
SQLException	the SQL exception

Return

true, if successful

Declaration

public static boolean hasColumn(ResultSet rs, String columnName) throws SQLException 

Method Source Code

//package com.java2s;
/*//from  w  w w. j av  a  2  s.c  o  m
 * Copyright (c) 2015 Alexandre Almeida.
 *
 * 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;

public class Main {
    /**
     * Checks for column.
     *
     * @param rs
     *            the rs
     * @param columnName
     *            the column name
     * @return true, if successful
     * @throws SQLException
     *             the SQL exception
     */
    public static boolean hasColumn(ResultSet rs, String columnName) throws SQLException {
        ResultSetMetaData rsmd = rs.getMetaData();
        int columns = rsmd.getColumnCount();
        for (int x = 1; x <= columns; x++) {
            if (columnName.equalsIgnoreCase(rsmd.getColumnName(x))) {
                return true;
            }
        }
        return false;
    }
}

Related

1. getIndexColumns(Connection connection, String schema, String table, String indexName)
2. getIndexName(Connection conn, String table, String column)
3. getRange(Connection C, String table, String column)
4. hasColumn(final ResultSet row, final String columnName)
5. hasColumn(ResultSet rs, String columnName)
6. hasColumn(String columnName, ResultSet resultSet)
7. hasColumn(String field, ResultSet rs)
8. hasColumns(Connection conn, String tableName, Collection colNames)
9. hasTableAndColumns(Connection conn, String tableName, String... colNames)