[英]MySQL query returns no results with PDO
我对PDO和MySQL有问题。 当我通过phpMyAdmin将查询发送到MySQL时,它返回490行:
SELECT art.AR_Ref AS AR_Ref, art.AR_Design AS AR_Design, art.AR_PrixVen AS AR_PrixVen, art.AR_CodeBarre AS AR_CodeBarre, af.CT_Num AS CT_Num, af.AF_RefFourniss AS AF_RefFourniss, ct.CT_Intitule AS CT_Intitule, art.CL_No1, art.CL_No2, art.CL_No3, art.CL_No4, MATCH (art.indexation) AGAINST ("+:iso*") AS cpt, art.AR_Design REGEXP "^:iso*" AS commencepar, art.AR_Design REGEXP ".+:iso.*" AS contient
FROM f_article art
LEFT JOIN f_artfourniss af ON (art.AR_Ref = af.AR_Ref AND af.AF_Principal = 1)
LEFT JOIN f_comptet ct ON (af.CT_Num = ct.CT_Num AND ct.CT_Type = 1)
WHERE art.AR_Sommeil = '0' AND MATCH (art.indexation) AGAINST (("+:iso*") IN BOOLEAN MODE)
ORDER BY commencepar DESC, contient DESC, cpt DESC, art.AR_Ref
但是使用该代码,根本没有结果:
<?php
$dbCon = new PDO('mysql:host=SERVER_IP; port=3306; dbname=DATABASE',
'root',
'PASSWORD',
array(PDO::ATTR_PERSISTENT => true,
PDO::ATTR_ORACLE_NULLS => PDO::NULL_EMPTY_STRING,
PDO::ATTR_ERRMODE => PDO::ERRMODE_WARNING));
$sql = 'SELECT art.AR_Ref AS AR_Ref, art.AR_Design AS AR_Design, art.AR_PrixVen AS AR_PrixVen, art.AR_CodeBarre AS AR_CodeBarre, af.CT_Num AS CT_Num, af.AF_RefFourniss AS AF_RefFourniss, ct.CT_Intitule AS CT_Intitule, art.CL_No1, art.CL_No2, art.CL_No3, art.CL_No4, MATCH (art.indexation) AGAINST ("+:saisie1*") AS cpt, art.AR_Design REGEXP "^:saisie2*" AS commencepar, art.AR_Design REGEXP ".+:saisie3.*" AS contient FROM f_article art LEFT JOIN f_artfourniss af ON (art.AR_Ref = af.AR_Ref AND af.AF_Principal = 1) LEFT JOIN f_comptet ct ON (af.CT_Num = ct.CT_Num AND ct.CT_Type = 1) WHERE MATCH (art.indexation) AGAINST (("+:saisie4*") IN BOOLEAN MODE) ORDER BY commencepar DESC, contient DESC, cpt DESC, art.AR_Ref';
$stmt = $dbCon->prepare($sql);
$saisie = 'iso';
$stmt->bindParam(':saisie1', $saisie, PDO::PARAM_STR);
$stmt->bindParam(':saisie2', $saisie, PDO::PARAM_STR);
$stmt->bindParam(':saisie3', $saisie, PDO::PARAM_STR);
$stmt->bindParam(':saisie4', $saisie, PDO::PARAM_STR);
$stmt->execute();
if (($stmt->errorCode() != '00000')){
var_dump($stmt->errorInfo());
} else {
while($row = $stmt->fetch(PDO::FETCH_OBJ)) {
var_dump($row);
}
$stmt->closeCursor();
}
$dbCon = null;
?>
可能是什么问题呢?
感谢Jay Blanchard,
它与如何在SQL语句中格式化变量有关。 您应该在每个占位符替换整个变量及其周围所有条件的变量的bindParam()中进行格式化。
我找到了解决方案:
<?php
$dbCon = new PDO('mysql:host=SERVER_IP; port=3306; dbname=DATABASE',
'root',
'PASSWORD',
array(PDO::ATTR_PERSISTENT => true,
PDO::ATTR_ORACLE_NULLS => PDO::NULL_EMPTY_STRING,
PDO::ATTR_ERRMODE => PDO::ERRMODE_WARNING));
$sql = 'SELECT art.AR_Ref AS AR_Ref, '
. 'art.AR_Design AS AR_Design, '
. 'art.AR_PrixVen AS AR_PrixVen, '
. 'art.AR_CodeBarre AS AR_CodeBarre, '
. 'af.CT_Num AS CT_Num, '
. 'af.AF_RefFourniss AS AF_RefFourniss, '
. 'ct.CT_Intitule AS CT_Intitule, '
. 'art.CL_No1, '
. 'art.CL_No2, '
. 'art.CL_No3, '
. 'art.CL_No4, '
. 'MATCH (art.indexation) AGAINST (:saisie1) AS cpt, '
. 'art.AR_Design REGEXP :saisie2 AS commencepar, '
. 'art.AR_Design REGEXP :saisie3 AS contient '
. 'FROM f_article art '
. 'LEFT JOIN f_artfourniss af ON (art.AR_Ref = af.AR_Ref AND af.AF_Principal = 1) '
. 'LEFT JOIN f_comptet ct ON (af.CT_Num = ct.CT_Num AND ct.CT_Type = 1) '
. 'WHERE MATCH (art.indexation) AGAINST ((:saisie4) IN BOOLEAN MODE) '
. 'ORDER BY commencepar DESC, '
. 'contient DESC, '
. 'cpt DESC, '
. 'art.AR_Ref';
$stmt = $dbCon->prepare($sql);
$saisie = 'iso';
$saisie1 = '+' . $saisie . '*';
$saisie2 = '^' . $saisie . '*';
$saisie3 = '.+' . $saisie . '.*';
$saisie4 = '+' . $saisie . '*';
$stmt->bindParam(':saisie1', $saisie1, PDO::PARAM_STR);
$stmt->bindParam(':saisie2', $saisie2, PDO::PARAM_STR);
$stmt->bindParam(':saisie3', $saisie3, PDO::PARAM_STR);
$stmt->bindParam(':saisie4', $saisie4, PDO::PARAM_STR);
$stmt->execute();
if (($stmt->errorCode() != '00000')){
var_dump($stmt->errorInfo());
} else {
while($row = $stmt->fetch(PDO::FETCH_OBJ)) {
var_dump($row);
}
$stmt->closeCursor();
}
$dbCon = null;
?>
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.