[英]sum() on multiple columns with group by function
我需要从每一列收集计数,并且每一行都有多个结果。 问题在于这些列正在复制第一列的值。
$sql="SELECT MODEL,
sum(CLICK) AS LOCCLICK, sum(VIEW) AS LOCVIEW, sum(EMAIL) AS LOCEMAIL, sum(SHARE) AS LOCSHARE
FROM STAT
WHERE ID = ".$id."
GROUP BY MODEL";
$result = $mysqli->query($sql);
if ($result->num_rows > 0) {
// output data of each row
while($row = $result->fetch_assoc()) {
$clickcoun = $row['LOCCLICK'];
$viewcoun = $row['LOCVIEW'];
$emailcoun = $row['LOCEMAIL'];
$sharecoun = $row['LOCSHARE'];
$model = $row['MODEL'];
echo "\n";
// Log the stats into the daily updates.
$sqlx = 'INSERT INTO DAILY (ID, QDATE, VIEWS, CLICKS, EMAILS, SHARES, MODEL)
VALUES ('.$id.', NOW(), '.$viewcoun.', '.$clickcoun.', '.$emailcoun.', '.$sharecoun.', "'.$model.'" )';
$mysqli->query($sqlx);
}
} else {
echo "0 results"; die();
}
我正在寻找的结果如下:
福特:浏览次数= 302,电子邮件= 21,份额= 10
道奇:观看次数= 567,电子邮件= 41,份额= 13
雪佛兰:观看次数= 324,电子邮件= 23,分享次数= 9
我想将这些数据输入到每日统计数据细分中,以便查询它们并将它们放入图表中并显示其每日覆盖率。 在本月底,我计划以相同的方式再次分解这些内容,以进行每月概览。
您不需要循环即可执行此操作。 只需使用insert . . . select
insert . . . select
insert . . . select
:
INSERT INTO DAILY (ID, MODEL, CLICKS, VIEWS, EMAIL, SHARES, QDATE)
SELECT $id, MODEL, sum(CLICK) AS LOCCLICK, sum(VIEW) AS LOCVIEW,
sum(EMAIL) AS LOCEMAIL, sum(SHARE) AS LOCSHARE, now()
FROM STAT
WHERE ID = ".$id."
GROUP BY MODEL;
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