250 lines
6.6 KiB
PHP
250 lines
6.6 KiB
PHP
<?php
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/**
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* [Discuz!] (C)2001-2099 Comsenz Inc.
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* This is NOT a freeware, use is subject to license terms
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*
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* $Id: table_home_feed.php 28335 2012-02-28 04:37:47Z zhangguosheng $
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*/
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if(!defined('IN_DISCUZ')) {
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exit('Access Denied');
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}
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class table_home_feed extends discuz_table
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{
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public function __construct() {
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$this->_table = 'home_feed';
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$this->_pk = 'feedid';
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parent::__construct();
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}
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public function optimize_table() {
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return DB::query("OPTIMIZE TABLE %t", array($this->_table), true);
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}
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public function fetch($id, $idtype = '', $uid = '', $feedid = '') {
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$wherearr = array();
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if($feedid) {
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$wherearr[] = DB::field('feedid', $feedid);
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}
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if($id) {
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$wherearr[] = DB::field('id', $id);
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$wherearr[] = DB::field('idtype', $idtype);
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}
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if($uid) {
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$wherearr[] = DB::field('uid', $uid);
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}
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$wheresql = !empty($wherearr) && is_array($wherearr) ? ' WHERE '.implode(' AND ', $wherearr) : '';
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if(empty($wheresql)) {
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return null;
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}
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return DB::fetch_first('SELECT * FROM '.DB::table($this->_table).' '.$wheresql);
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}
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public function fetch_all_by_uid_dateline($uids, $findex = true, $start = 0, $limit = 5) {
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if(!($uids = dintval($uids, true))) {
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return null;
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}
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return DB::fetch_all('SELECT * FROM %t '.(($findex) ? 'USE INDEX(dateline)' : '').' WHERE uid IN (%n) ORDER BY dateline desc %i', array($this->_table, $uids, DB::limit($start, $limit)));
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}
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public function fetch_all_by_hot($hotstarttime) {
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return DB::fetch_all('SELECT * FROM %t USE INDEX(hot) WHERE dateline>=%d ORDER BY hot DESC LIMIT 0,10', array($this->_table, $hotstarttime));
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}
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public function update($id, $data, $idtype = '', $uid = '', $feedid = '') {
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$condition = array();
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if($feedid) {
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$condition[] = DB::field('feedid', $feedid);
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}
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if($id) {
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$condition[] = DB::field('id', $id);
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$condition[] = DB::field('idtype', $idtype);
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}
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if($uid) {
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$condition[] = DB::field('uid', $uid);
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}
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if(empty($data) || !is_array($data) || !count($condition)) {
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return null;
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}
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DB::update($this->_table, $data, implode(' AND ', $condition));
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}
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public function update_hot_by_id($id, $idtype, $uid, $inchot) {
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DB::query('UPDATE %t SET hot = hot+\'%d\' WHERE id = %d AND idtype = %s AND uid = %d', array($this->_table, $inchot, $id, $idtype, $uid));
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}
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public function update_hot_by_feedid($feedid, $inchot) {
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DB::query('UPDATE %t SET hot = hot+\'%d\' WHERE feedid = %d', array($this->_table, $inchot, $feedid));
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}
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public function delete_by_dateline($dateline, $hot = 0) {
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if(!is_numeric($dateline) || !is_numeric($hot)) {
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return false;
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}
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$condition = array();
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$condition[] = DB::field('dateline', $dateline, '<');
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$condition[] = DB::field('hot', $hot);
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DB::delete($this->_table, implode(' AND ', $condition));
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}
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public function delete_by_id_idtype($ids, $idtype) {
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if(!$ids || !$idtype) {
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return null;
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}
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$condition = array();
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$condition[] = DB::field('id', $ids);
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$condition[] = DB::field('idtype', $idtype);
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DB::delete($this->_table, implode(' AND ', $condition));
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}
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public function delete_by_uid_idtype($uid, $idtype) {
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if(!$uid || !$idtype) {
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return null;
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}
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$condition = array();
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$condition[] = DB::field('uid', $uid);
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$condition[] = DB::field('idtype', $idtype);
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DB::delete($this->_table, implode(' AND ', $condition));
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}
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public function delete_by_icon($icon) {
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if(!$icon) {
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return null;
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}
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DB::delete($this->_table, DB::field('icon', $icon));
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}
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public function delete($feedid, $uid = '') {
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$condition = array();
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if($feedid) {
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$condition[] = DB::field('feedid', $feedid);
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}
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if($uid) {
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$condition[] = DB::field('uid', $uid);
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}
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if(!count($condition)) {
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return null;
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}
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DB::delete($this->_table, implode(' AND ', $condition));
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}
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public function delete_by_uid($uids) {
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if(!$uids) {
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return null;
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}
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DB::delete($this->_table, DB::field('uid', $uids).' OR ('.DB::field('id', $uids).' AND idtype=\'uid\')');
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}
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public function fetch_uid_by_username($users) {
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if(!$users) {
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return null;
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}
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return DB::fetch_all('SELECT uid FROM %t WHERE username IN (%n)', array($this->_table, $users), 'uid');
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}
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public function fetch_icon_by_icon($icon) {
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return DB::fetch_first('SELECT icon FROM %t WHERE icon=%s', array($this->_table, $icon));
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}
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public function fetch_feedid_by_hashdata($uid, $hash_data) {
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return DB::fetch_first('SELECT feedid FROM %t WHERE uid=%d AND hash_data=%s LIMIT 0,1', array($this->_table, $uid, $hash_data));
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}
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public function fetch_feedid_by_feedid($feedid) {
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if(!$feedid) {
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return null;
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}
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return DB::fetch_all('SELECT feedid FROM %t WHERE feedid IN (%n)', array($this->_table, $feedid), 'feedid');
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}
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public function fetch_uid_by_uid($uid) {
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if(!$uid) {
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return null;
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}
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return DB::fetch_all('SELECT uid FROM %t WHERE uid IN (%n)', array($this->_table, $uid), 'uid');
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}
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public function fetch_all_by_search($fetchtype, $uids, $icon, $starttime, $endtime, $feedids, $hot1, $hot2, $start = 0, $limit = 0, $findex = '', $appid = '') {
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$parameter = array($this->_table);
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$wherearr = array();
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if(is_array($uids) && count($uids)) {
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$parameter[] = $uids;
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$wherearr[] = 'uid IN(%n)';
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}
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if($appid) {
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$parameter[] = $appid;
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$wherearr[] = 'appid=%d';
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}
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if($icon) {
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$parameter[] = $icon;
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$wherearr[] = 'icon=%s';
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}
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if($starttime) {
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$parameter[] = is_numeric($starttime) ? $starttime : strtotime($starttime);
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$wherearr[] = 'dateline>%d';
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}
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if($endtime) {
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$parameter[] = is_numeric($endtime) ? $endtime : strtotime($endtime);
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$wherearr[] = 'dateline<%d';
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}
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if(is_array($feedids) && count($feedids)) {
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$parameter[] = $feedids;
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$wherearr[] = 'feedid IN(%n)';
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}
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if($hot1) {
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$parameter[] = $hot1;
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$wherearr[] = 'hot>=%d';
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}
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if($hot2) {
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$parameter[] = $hot2;
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$wherearr[] = 'hot<=%d';
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}
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if($fetchtype == 3) {
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$selectfield = "count(*)";
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} elseif ($fetchtype == 2) {
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$selectfield = "feedid";
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} else {
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$selectfield = "*";
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$parameter[] = DB::limit($start, $limit);
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$ordersql = ' ORDER BY dateline DESC %i';
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}
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if($findex) {
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$findex = 'USE INDEX(dateline)';
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}
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$wheresql = !empty($wherearr) && is_array($wherearr) ? ' WHERE '.implode(' AND ', $wherearr) : '';
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if($fetchtype == 3) {
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return DB::result_first("SELECT $selectfield FROM %t $wheresql", $parameter);
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} else {
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return DB::fetch_all("SELECT $selectfield FROM %t {$findex} $wheresql $ordersql", $parameter);
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}
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}
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}
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?>
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