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請問各位PHP怎樣優(yōu)化foreach 里面帶sql語句的

請問各位PHP怎樣優(yōu)化foreach 里面帶sql語句的

PHP
猛跑小豬 2019-03-07 14:48:19
foreach ($res['xsumpre'] as $key => $value) { $fsql="select count(*) from (SELECT sum(sumprem) FROM datatom.fccont where signdate BETWEEN '$stime' AND '$etime' AND agentcode in(select agentcode from datatom.shouxian_faagenttree where agentstate not in('01','02') and OUTWORKDATE between '$stime' AND '$etime') GROUP BY agentcode having sum(sumprem) <= '$value' ORDER BY sum ) as a"; $fres=$this->pgdb->mpg_select($fsql)['0']['count']; // var_dump($value,$fres['0']['count']); $res['tate'][]=round($fres/$zres['0']['count'],4)*100; } return $res; 問題描述 接口慢返回結(jié)果樣式 xsumpre 的數(shù)量和tate的返回個(gè)數(shù)要一致 { "code": 0, "data": { "xsumpre": [ 1001066, 2002132, 3003198, 4004264, 5005330, 6006396, 7007462, 8008528, 9009594, 10010660 ], "quit": 12.21, "tate": [ 0.46, 0.46, 0.46, 0.46, 0.46, 0.46, 0.46, 0.46, 0.46, 0.46 ] }, "msg": "success" }
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2 回答

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侃侃爾雅

TA貢獻(xiàn)1801條經(jīng)驗(yàn) 獲得超16個(gè)贊

看的我難受,先整理一下:

foreach($xxx as $key => $value){
    select count(*) from (
        SELECT sum(sumprem) FROM datatom.fccont where
        signdate BETWEEN '$stime' AND '$etime' AND 
        agentcode in(
            select agentcode from datatom.shouxian_faagenttree 
            where agentstate not in('01','02') and OUTWORKDATE between '$stime' AND '$etime'
        ) 
        GROUP BY agentcode 
        having sum(sumprem) <= '$value' 
        ORDER BY sum 
    ) as a
}

好了,現(xiàn)在清晰了一點(diǎn),開始優(yōu)化:
第一步先把最里面的子查詢提出來:

$arr = $this->pgdb->mpg_select("select agentcode from datatom.shouxian_faagenttree 
    where agentstate not in('01','02') and OUTWORKDATE between '$stime' AND '$etime'")
    
foreach($xxx as $key => $value){
    select count(*) from (
        SELECT sum(sumprem) FROM datatom.fccont where
        signdate BETWEEN '$stime' AND '$etime' AND 
        agentcode in($arr) 
        GROUP BY agentcode having sum(sumprem) <= '$value' 
        ORDER BY sum 
    ) as a
}

首先我是認(rèn)為你不用一次查完的,我提出來的第一句sql完全是重復(fù)的,所以提出在循環(huán)外面得到結(jié)果的數(shù)組再塞進(jìn)in里面
第二段優(yōu)化:

$arr<=db("select agentcode from datatom.shouxian_faagenttree 
    where agentstate not in('01','02') and OUTWORKDATE between '$stime' AND '$etime'")
    
foreach($xxx as $key => $value){
    select count(*) from (
        SELECT sum(sumprem) FROM datatom.fccont where
        signdate BETWEEN '$stime' AND '$etime' AND 
        agentcode in($arr) 
        GROUP BY agentcode having sum(sumprem) <= '$value' 
    ) as a
}

最后因?yàn)椴涣私饽愕谋斫Y(jié)構(gòu),還有具體需求,就不知道怎么優(yōu)化了,只是去掉了order by,這個(gè)語句在這里一點(diǎn)用都沒有,反正你最后都是要count的
就這樣,覺得答案可以的話就點(diǎn)贊采納吧

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反對 回復(fù) 2019-03-18
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