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与PHP分页相关的MySQL查询问题_Php_Mysql_Pagination - Fatal编程技术网

与PHP分页相关的MySQL查询问题

与PHP分页相关的MySQL查询问题,php,mysql,pagination,Php,Mysql,Pagination,我试着做两件事 1) 获取此查询中的行数 SELECT COUNT(*) FROM `my_table` WHERE `column_1` = 152 AND `column_2` = 42 ORDER BY `column_3` 正如你所看到的,这没有问题^^ 2) 确定id Ex:ID 765是第4项,共7项,其中列_1=152,列_3=42 有没有人能用几乎纯MySQL解决这个问题?我希望避免遍历所有行,并设置一个递增计数器,直到它与当前id匹配,

我试着做两件事

1) 获取此查询中的行数

SELECT
    COUNT(*)
FROM
    `my_table`
WHERE
    `column_1` = 152
AND
    `column_2` = 42
ORDER BY
    `column_3`
正如你所看到的,这没有问题^^

2) 确定
id

Ex:ID 765是第4项,共7项,其中列_1=152,列_3=42

有没有人能用几乎纯MySQL解决这个问题?我希望避免遍历所有行,并设置一个递增计数器,直到它与当前id匹配,如下所示:

$sql = '
    SELECT
        *
    FROM
        `my_table`
    WHERE
        `column_1` = 152
    AND
        `column_2` = 42
    ORDER BY
        `column_3`
';
$query = mysqli_query($sql);

$current_id = 2523;
$i = 1;

while ($row = mysqli_fetch_assoc($query)) {
    if ($row['id'] == $current_id) {
        $current_position = $i;
    }
    $i++;
}

print 'Current position in range is: '. $current_position;

另外,请不要担心实际的语法,我不会使用这个确切的脚本,但您可以得到我希望避免使用的逻辑。如果有人有更好的解决方案,请告诉我。提前谢谢

这就是您要找的吗?当我使用mySql在PHP中进行分页时,我通常使用SQL语句的LIMIT部分来给出起始行和最大行数。这就是你想做的吗?