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More efficient term intersection query. Props tigertech. see #16706 

git-svn-id: https://develop.svn.wordpress.org/trunk@17652 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren 2011-04-18 20:38:59 +00:00
parent 19eed5a750
commit 0f3921f771
1 changed files with 4 additions and 4 deletions
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8
wp-includes/taxonomy.php
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@ -694,12 +694,12 @@ class WP_Tax_Query {
$terms = implode( ',', $terms ); $terms = implode( ',', $terms );
$where[] = "$primary_table.$primary_id_column IN ( $where[] = "(
SELECT object_id SELECT COUNT(1)
FROM $wpdb->term_relationships FROM $wpdb->term_relationships
WHERE term_taxonomy_id IN ($terms) WHERE term_taxonomy_id IN ($terms)
GROUP BY object_id HAVING COUNT(object_id) = $num_terms AND object_id = $primary_table.$primary_id_column
)"; ) = $num_terms";
} }
$i++; $i++;