Here you can find the source of getClosestIDByTime(Connection con, String table, long time)
public static long getClosestIDByTime(Connection con, String table, long time) throws SQLException
//package com.java2s; /*/*from w ww . ja v a2s. c om*/ * #%L * Util.java - method51 - University of Sussex - 2,013 * %% * Copyright (C) 2013 - 2014 University of Sussex * %% * 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. * #L% */ import java.sql.*; public class Main { public static long getClosestIDByTime(Connection con, String table, long time) throws SQLException { String sql = "SELECT `id` FROM `" + table + "` WHERE `created_1` < " + time + " ORDER BY `id` DESC LIMIT 1;"; CallableStatement stmt = con.prepareCall(sql); ResultSet rs = stmt.executeQuery(); rs.next(); long closestId = rs.getLong(1); rs.close(); return closestId; } }