其实这个问题也没啥难度,不过到网上找了很久,用 between 的也有,用 minus 的也有。不过用这几种方法都没能成功的完成带排序的分页查询。最后还是在Oracle官网找到了解决的办法。
鉴于Oracle官网无与伦比的速度,将其摘抄与此,便于日后封装 oci 连接类。
原文见 http://www.oracle.com/technology/global/cn/pub/articles/oracle_php_cookbook/fuecks_paged.html
应用这个方法,写出的临时使用的php语句类似于这样:
鉴于Oracle官网无与伦比的速度,将其摘抄与此,便于日后封装 oci 连接类。
原文见 http://www.oracle.com/technology/global/cn/pub/articles/oracle_php_cookbook/fuecks_paged.html
1function & paged_result(& $conn, $select, $start_row, $rows_per_page) {
2
3$sql = "SELECT
4 *
5FROM
6 (
7SELECT
8r.*, ROWNUM as row_number
9FROM
10( $select ) r
11WHERE
12ROWNUM <= :end_row
13 )
14WHERE :start_row <= row_number";
15
16$stmt = oci_parse($conn,$sql);
17
18oci_bind_by_name($stmt, ':start_row', $start_row);
19
20// Calculate the number of the last row in the page
21$end_row = $start_row + $rows_per_page - 1;
22oci_bind_by_name($stmt, ':end_row', $end_row);
23
24oci_execute($stmt);
25
26// Prefetch the number of rows per page
27oci_set_prefetch($stmt, $rows_per_page);
28
29return $stmt;
30
31}
2
3$sql = "SELECT
4 *
5FROM
6 (
7SELECT
8r.*, ROWNUM as row_number
9FROM
10( $select ) r
11WHERE
12ROWNUM <= :end_row
13 )
14WHERE :start_row <= row_number";
15
16$stmt = oci_parse($conn,$sql);
17
18oci_bind_by_name($stmt, ':start_row', $start_row);
19
20// Calculate the number of the last row in the page
21$end_row = $start_row + $rows_per_page - 1;
22oci_bind_by_name($stmt, ':end_row', $end_row);
23
24oci_execute($stmt);
25
26// Prefetch the number of rows per page
27oci_set_prefetch($stmt, $rows_per_page);
28
29return $stmt;
30
31}
应用这个方法,写出的临时使用的php语句类似于这样:
$select = "SELECT * FROM {$_DATABASE_TABLE_PREFIX_}toperate_log $where $order_by";
$sql = "SELECT * FROM ( SELECT r.*, ROWNUM as row_number FROM ( $select ) r WHERE ROWNUM <= ".($start + $limit)." ) WHERE $start <= row_number";
$sql = "SELECT * FROM ( SELECT r.*, ROWNUM as row_number FROM ( $select ) r WHERE ROWNUM <= ".($start + $limit)." ) WHERE $start <= row_number";