[英]Updating Users's Records in Database By Group
我有此表:tbl_module_bid
图片:
http://i.stack.imgur.com/4hQBN.png
您会看到用户:Ali2,Ali,blackbone,dickface,mhmd让我们为它们中的每一个分别调用$ player和我要在其中使用的sql查询:
mysql_query("UPDATE `bbcsystem`.`tbl_admin` SET games_played = games_played + 1 WHERE username = $player");
我尝试在下面使用此脚本:
//Update Game Played (not working very good):
$num_qry = "Select DISTINCT * From tbl_module_bid where user = '".$_SESSION['LOGIN_BALANCE_FRONT']['name']."' AND module = '$mod_id' order by bid asc";
$get_pick = $db->get_results($num_qry,ARRAY_A);
foreach($get_pick as $arr_pic)
{
$player = $arr_pic['user'];
mysql_query("UPDATE `bbcsystem`.`tbl_admin` SET games_played = games_played + 1 WHERE username = $player");
}
好吧,我想做的是,获取tbl_module_bid中的所有用户名,并对表中的每个用户,我将在另一个表中更新他的信息(玩过的游戏),对于stackoverflow和phpp来说,我真的很新。.请考虑帮助我是对我最大的帮助:)谢谢。
尝试这样的事情:
UPDATE tbl_admin a
INNER JOIN tbl_module_bid b on a.username = b.user
SET a.games_played = games_played + 1
WHERE b.user = $_SESSION['LOGIN_BALANCE_FRONT']['name']
AND b.module = $mod_id
这将在一个查询中同时执行两个查询。
如果@Filipe正确,那么这里是一个干净的版本
<?php
$q = 'UPDATE tbl_admin AS a'
.' INNER JOIN tbl_module_bid AS b ON a.username=b.user'
.' SET a.games_played=games_played + 1 WHERE b.module = "'.$mod_id.'"';
$result = mysql_query($q);
不要忘记将他的答案标记为答案
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