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fixed posts_nav_link to use a much lighter query

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git-svn-id: http://svn.automattic.com/wordpress/trunk@1783 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
michelvaldrighi 2004-10-12 13:04:35 +00:00
parent 64e27492d1
commit fc528e3d09
1 changed files with 8 additions and 15 deletions
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23
wp-includes/template-functions-links.php
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@ -546,22 +546,15 @@ function previous_posts_link($label='« Previous Page') {
} }
function posts_nav_link($sep=' — ', $prelabel='« Previous Page', $nxtlabel='Next Page »') { function posts_nav_link($sep=' — ', $prelabel='« Previous Page', $nxtlabel='Next Page »') {
global $request, $posts_per_page, $wpdb; global $posts_per_page, $wpdb;
if (! is_single()) { if (! is_single()) {
$show_what = get_query_var('what_to_show');
if (get_query_var('what_to_show') == 'posts') { if (get_query_var('what_to_show') == 'posts') {
$nxt_request = $request; $numposts = $wpdb->get_var("SELECT COUNT(ID) FROM $wpdb->posts WHERE post_date_gmt <= '".gmdate('Y-m-d H:i:s')."' AND post_status = 'publish'");
if ($pos = strpos(strtoupper($request), 'LIMIT')) { $max_page = ceil($numposts / $posts_per_page);
$nxt_request = substr($request, 0, $pos); } else {
} $max_page = 999999;
}
$nxt_result = $wpdb->query($nxt_request);
$numposts = $wpdb->num_rows;
$max_page = ceil($numposts / $posts_per_page);
} else {
$max_page = 999999;
}
if ($max_page > 1) { if ($max_page > 1) {
previous_posts_link($prelabel); previous_posts_link($prelabel);