[英]How to count multiple columns in a table and show them using php
I have a table with some columns (see the pic below): 我有一些带有一些列的表(见下图):
My Table: 我的表:
I'd like to count values in that columns (how many "ok" and "no" I have in column over05, over15, etc etc) using some filters (ie best_bets between 1.20 and 1.50) and show them using php 我想计算那些列中的值(使用一些过滤器(即1.20和1.50之间的best_bets),使用一些过滤器(即,介于1.20和1.50之间)中有多少“ok”和“no”,我们在列中超过05,超过15等)并使用php显示它们
Now I can do a count just for a column using code below: 现在,我可以使用以下代码对列进行计数:
$result=mysql_query("SELECT count(over15) as total from risultati WHERE over15 = 'OK' AND best_bets >= 1.15 AND best_bets <= 1.50");
$data=mysql_fetch_assoc($result);
echo $data['total'];
but I'd like to do it for more columns 但我想为更多的专栏做这件事
Regards 问候
EDIT:I tried in this way, but it's not working: 编辑:我试过这种方式,但它不起作用:
$result=mysql_query("SELECT SUM(CASE WHEN over05 = 'OK' THEN 1 ELSE 0 END) AS OK_05,
SUM(CASE WHEN over15 = 'OK' THEN 1 ELSE 0 END) AS OK_15,
SUM(CASE WHEN over25 = 'OK' THEN 1 ELSE 0 END) AS OK_25,
SUM(CASE WHEN over35 = 'OK' THEN 1 ELSE 0 END) AS OK_35,
SUM(CASE WHEN over45 = 'OK' THEN 1 ELSE 0 END) AS OK_45
FROM risultati
WHERE best_bets BETWEEN 1.15 AND 1.5O");
$data=mysql_fetch_assoc($result);
echo $data['OK_15'];
echo $data['OK_25'];
echo $data['OK_35'];
echo $data['OK_45'];
edit2: I also tried in another way, but nothing: edit2:我也尝试过另一种方式,但没有:
$result=mysql_query("SELECT SUM(CASE WHEN over05 = 'OK' THEN 1 ELSE 0 END) AS OK_05,
SUM(CASE WHEN over15 = 'OK' THEN 1 ELSE 0 END) AS OK_15,
SUM(CASE WHEN over25 = 'OK' THEN 1 ELSE 0 END) AS OK_25,
SUM(CASE WHEN over35 = 'OK' THEN 1 ELSE 0 END) AS OK_35,
SUM(CASE WHEN over45 = 'OK' THEN 1 ELSE 0 END) AS OK_45
FROM risultati
WHERE best_bets BETWEEN 1.15 AND 1.5O");
while ($row = mysql_fetch_assoc($result))
{
echo $row['OK_05'];
echo $row['OK_15'];
echo $row['OK_25'];
echo $row['OK_35'];
echo $row['OK_45'];
}
Use condtional aggregation: 使用条件聚合:
SELECT SUM(CASE WHEN over05 = 'OK' THEN 1 ELSE 0 END) AS OK_05,
SUM(CASE WHEN over15 = 'OK' THEN 1 ELSE 0 END) AS OK_15,
SUM(CASE WHEN over25 = 'OK' THEN 1 ELSE 0 END) AS OK_25,
SUM(CASE WHEN over35 = 'OK' THEN 1 ELSE 0 END) AS OK_35,
SUM(CASE WHEN over45 = 'OK' THEN 1 ELSE 0 END) AS OK_45
FROM risultati
WHERE best_bets BETWEEN 1.15 AND 1.5O -- or whatever restrictions you want
This approach allows you to gather stats for all your age columns in a single query, whereas putting the column check for 'OK' limits to a single column in one query. 此方法允许您在单个查询中收集所有年龄列的统计信息,而将列检查“确定”限制为一个查询中的单个列。
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