PHP PDO HY093选择计数错误
我一直在研究周围所有类似的问答,但我似乎找不到解决办法,因为我的头撞在墙上已经两天多了 我正在基于用户输入构建一个查询,所以我不打算发布所有的胡言乱语 假设$binds是这种类型的关联数组:查询完成并准备好后,绑定值的key=>val 这是类函数的一部分,仅显示生成查询后的部分:PHP PDO HY093选择计数错误,php,mysql,pdo,Php,Mysql,Pdo,我一直在研究周围所有类似的问答,但我似乎找不到解决办法,因为我的头撞在墙上已经两天多了 我正在基于用户输入构建一个查询,所以我不打算发布所有的胡言乱语 假设$binds是这种类型的关联数组:查询完成并准备好后,绑定值的key=>val 这是类函数的一部分,仅显示生成查询后的部分: $stmt = $this->pdo->prepare($stmt); foreach($binds as $k => $v){ $col = explode('.',substr($k,1)
$stmt = $this->pdo->prepare($stmt);
foreach($binds as $k => $v){
$col = explode('.',substr($k,1));//because all keys start with ':' and some end with '.key'
$col = $col[0];
if($col == 'year'){
$col = 'model_year';
}
$stmt->bindValue($k,$v,$this->tblInfo->pdo_param($col));//tblInfo is a class
//holding an array with column names and types for the table i'm working with
//and a function that returns PDO::PARAM_ type based on the column type
}
if($stmt->execute()){
$res = $stmt->fetchAll(PDO::FETCH_ASSOC);
}
return array('binds' => $binds,$stmt,'err' => $stmt->errorInfo(),'result' => $res);
这是函数的json_编码输出:
{
"binds": {
":make": "audi",
":model": "a4",
":year.1": "2013",
":price.1": "9990",
":gearbox.0": "auto",
":fuel.0": "diesel",
":mileage.0": "0",
":mileage.1": "350000"
},
"0": {
"queryString": "SELECT COUNT(active) AS main FROM ads_auto WHERE active=true
AND has_photo=true AND make=:make AND model=:model AND model_year <= :year.1 AND
price <= :price.1 AND gearbox=:gearbox.0 AND fuel=:fuel.0 AND mileage BETWEEN
:mileage.0 AND :mileage.1"
},
"err": [
"HY093",
null,
null
],
"result": null
}
很明显,$stmt->executeevals为FALSE,因此它不会抓取
$binds数组正好包含$stmt需要绑定的内容
我没有引用任何引号
我读到了有关计数和PDO的问题,所以我尝试了一个SELECT id而不是SELECT COUNT,但这没有什么区别,因为$stmt->execute为FALSE
为什么我要买HY093?我错过了什么
在InnoDB中使用PHP 5.5和MySQL 5.5。因此,感谢@tadman的建议,我深入研究了PDO的源代码,似乎问题确实出在占位符名称上 根据解析器源代码: BINDCHR=[:][a-zA-Z0-9_389;]+ 占位符名称可以是字母数字+下划线,因此添加“.”点是不允许的
谢谢你的指点。现在一切正常。燃油.0是有效的占位符名称吗?我以前从未见过这些参数。燃油、价格、变速箱和其他参数可以从用户端输入,例如:字符串、单值数组或多值数组。因此,对于数组,我将数组键添加到占位符名称中。老实说,我不知道在占位符名称中添加.1或.0是否合适。我把它改为_0或_1,但结果是一样的。
SQL: [245] SELECT COUNT(active) AS main FROM ads_auto WHERE active=true AND
has_photo=true AND make=:make AND model=:model AND model_year <= :year.1 AND
price <= :price.1 AND gearbox=:gearbox.0 AND fuel=:fuel.0 AND mileage BETWEEN
:mileage.0 AND :mileage.1
Params: 8
Key: Name: [5] :make paramno=-1 name=[5] ":make" is_param=1 param_type=2
Key: Name: [6] :model paramno=-1 name=[6] ":model" is_param=1 param_type=2
Key: Name: [7] :year.1 paramno=-1 name=[7] ":year.1" is_param=1 param_type=1
Key: Name: [8] :price.1 paramno=-1 name=[8] ":price.1" is_param=1 param_type=1
Key: Name: [10] :gearbox.0 paramno=-1 name=[10] ":gearbox.0" is_param=1 param_type=2
Key: Name: [7] :fuel.0 paramno=-1 name=[7] ":fuel.0" is_param=1 param_type=2
Key: Name: [10] :mileage.0 paramno=-1 name=[10] ":mileage.0" is_param=1 param_type=1
Key: Name: [10] :mileage.1 paramno=-1 name=[10] ":mileage.1" is_param=1 param_type=1