Java SQL Table Column resultSetAsCount(ResultSet rs, String countColumn)

Description

result Set As Count

License

Apache License

Declaration

public static int resultSetAsCount(ResultSet rs, String countColumn) throws Exception 

Method Source Code

//package com.java2s;
/*//from   ww  w.  j a v a2 s . co m
 * Copyright 2012 University of Southern California
 * 
 * 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;

public class Main {
    public static int resultSetAsCount(ResultSet rs, String countColumn) throws Exception {
        int count = 0;

        if (rs != null) {
            try {
                while (rs.next()) {
                    //System.out.println(" before count" );
                    count = Integer.parseInt(rs.getString(countColumn));
                    //System.out.println(" after count"+ count );
                }
            } catch (Exception e) {
                e.printStackTrace();
                throw new Exception(e);
            }
        }
        return count;
    }
}

Related

1. lookupColumnName(ResultSetMetaData resultSetMetaData, int columnIndex)
2. printTableColumn(Connection conn, String sql)
3. readMultiDouble(ResultSet resultSet, String columnName)
4. readString(final ResultSet resultSet, final String columnName)
5. readStringFromBlob(ResultSet resultSet, String columnLabel)
6. resultSetContainsColumn(ResultSet rs, String column)
7. resultSetHasColumn(ResultSet rs, String sColumnName)
8. resultSetToOneColumnAsCommamaSeparatedString(ResultSet rs)
9. resultSetToOneColumnAsList(ResultSet rs)