$query = "SELECT *
FROM `tbstats`
WHERE CONCAT(`date`, `mode`, `svar`, `sdev`) LIKE '%".$valueToSearch."%'";
通过
$query = "SELECT *
FROM `tbstats`
WHERE `date` = '".$valueToSearch."'
OR `mode` = '".$valueToSearch."'
OR `svar` = '".$valueToSearch."'
OR `sdev` = '".$valueToSearch."'";
$query = "SELECT *
FROM `tbstats`
WHERE CONCAT(`date`, `mode`, `svar`, `sdev`) LIKE '%".$valueToSearch."%'";
通过
$query = "SELECT *
FROM `tbstats`
WHERE `date` = '".$valueToSearch."'
OR `mode` = '".$valueToSearch."'
OR `svar` = '".$valueToSearch."'
OR `sdev` = '".$valueToSearch."'";