я хочу использовать union и left join в двух таблицах, как я могу использовать ...
мой код ниже
$sql = "SELECT t1.*,t2.intGlCode as report_id,t2.txtDesc as report_desc,t2.fkReportType as report_type,t2.dtCreate as report_date From
(
SELECT intGlCode,varEmail,varContactNo as phone,CONCAT(varFirstName,' ',varLastName) as name,dtCreateDate FROM " .
DB_PREFIX . "table1 WHERE varEmail='$userEmail'
UNION
SELECT intGlCode,varEmail,varPhoneNo as phone,CONCAT(varName) as name,dtCreateDate FROM " . DB_PREFIX . "table2 WHERE varEmail='$userEmail'
) As t1
LEFT JOIN table3 AS t2 ON t1.intGlCode = t2.fkReportId
WHERE t2.intGlCode is NOT null
ORDER BY `report_id` DESC ";`