我正在尝试从MySQL数据库中获取每个员工的总操作数。我的脚本给我的总数远低于数据库中所有员工的总数。我在查询中使用SUM函数。查询在phpmyadmin中运行正常,但在我的脚本中没有。任何想法为什么会这样。
$query = "SELECT user_id, SUM(num_actions) as action FROM pro_actions GROUP BY user_id ORDER BY action DESC";
if ($result = $db->query($query)) {
$count = 0; // this is the total of all employee actions. which adds up correctly!
while ($row = mysqli_fetch_array($result)) {
$count += $row['action'];
echo '<tr><td>';
echo $row['user_id'];
echo '</td><td>';
echo $row['action'];
echo '</td></tr>';
}
$result->free();
}
当我运行此脚本时,员工1005有63个操作。但是,当我在phpmyadmin中运行此查询时,员工1005有194个操作(这是正确的)。所有员工在脚本输出中的操作较少。有趣的是$ count变量输出正确的数量,这是所有动作的总和......请帮助解决这个问题。
答案 0 :(得分:0)
$query = "SELECT user_id, SUM(num_actions) as action FROM pro_actions GROUP BY user_id ORDER BY action DESC";
if ($result = $db->query($query)) {
$count = 0; // this is the total of all employee actions. which adds up correctly!
while ($row = mysqli_fetch_array($result)) {
$count += $row['action'];
echo '<tr><td>';
echo $row['user_id'];
echo '</td><td>';
echo $row['action'];
echo '</td></tr>'; //tag mismatch
}
$result->free();
}