我想创建一个查询,如果 DATEDIFF(so_date,actual_delivery) = 3,则显示“通过”一词,否则显示“失败”。有人可以帮我吗?
<?php
$hostname="localhost";
$username="root";
$password="";
$db = "csl_otd";
$dbh = new PDO("mysql:host=$hostname;dbname=$db", $username, $password);
foreach($dbh->query('SELECT so_date,
actual_delivery,
case when DATEDIFF(so_date, actual_delivery) = 3
then "Passed"
else "Failed"
end as status
FROM sales_order
LEFT JOIN dar ON sales_order.dar_numberr = dar.dar_number
WHERE DATEDIFF(so_date, actual_delivery) < 10') as $row) {
echo "<tr>";
echo "<td>" . $row['so_date'] . "</td>";
echo "<td>" . $row['actual_delivery'] . "</td>";
echo "<td>" . $row['DATEDIFF(so_date,actual_delivery)'] . "</td>";
echo "<td>" . $row['status'] . "</td>";
echo "</tr>";
}
?>
</tbody></table>
输出
Date Difference | Status
2 | Passed
4 | Failed
最佳答案
使用案例
SELECT so_date,actual_delivery,
DATEDIFF(so_date,actual_delivery) Date_Difference,
case when DATEDIFF(so_date,actual_delivery) = 3
then "Passed"
else "Failed" end Status
FROM sales_order
LEFT JOIN dar
ON sales_order.dar_numberr=dar.dar_number
WHERE DATEDIFF(so_date,actual_delivery)<10
或者您可以使用您使用过的(但几乎没有更正)
SELECT so_date,actual_delivery,DATEDIFF(so_date,actual_delivery),
if ( DATEDIFF(so_date,actual_delivery) = 3
,'Passed','Failed') status
FROM sales_order
LEFT JOIN dar
ON sales_order.dar_numberr=dar.dar_number
WHERE DATEDIFF(so_date,actual_delivery)<10
关于php - SQL 查询中的条件,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/53236715/