Fix primary key on term_relationships. Add wp_set_object_terms(). Setting post tags working now. see #4189
git-svn-id: https://develop.svn.wordpress.org/trunk@5515 602fd350-edb4-49c9-b593-d223f7449a82
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@ -31,7 +31,7 @@ CREATE TABLE $wpdb->term_taxonomy (
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CREATE TABLE $wpdb->term_relationships (
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object_id bigint(20) NOT NULL default 0,
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term_taxonomy_id bigint(20) NOT NULL default 0,
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PRIMARY KEY (object_id),
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PRIMARY KEY (object_id, term_taxonomy_id),
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KEY (term_taxonomy_id)
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) $charset_collate;
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CREATE TABLE $wpdb->comments (
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@ -794,7 +794,7 @@ function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) {
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if ( empty($tags) )
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$tags = array();
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$tags = (is_array($tags)) ? $tags : explode( ',', $tags );
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add_term_relationship($tags, $post_id, 'post_tag');
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wp_set_object_terms($post_id, $tags, 'post_tag', $append);
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}
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function wp_set_post_categories($post_ID = 0, $post_categories = array()) {
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@ -43,8 +43,8 @@ function add_term( $term, $taxonomy, $args = array() ) {
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return $term_id;
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$wpdb->query("INSERT INTO $wpdb->term_taxonomy (term_id, taxonomy, description, parent, count) VALUES ('$term_id', '$taxonomy', '$description', '$parent', '0')");
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// TODO: Maybe return both term_id and tt_id.
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return $term_id;
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$tt_id = (int) $wpdb->insert_id;
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return array('term_id' => $term_id, 'term_taxonomy_id' => $tt_id);
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}
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/**
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@ -58,10 +58,21 @@ function remove_term() {}
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*/
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function is_term($term, $taxonomy = '') {
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global $wpdb;
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if ( ! $term = sanitize_title($term) )
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return 0;
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return $wpdb->get_var("SELECT term_id FROM $wpdb->terms WHERE slug = '$term'");
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if ( is_int($term) ) {
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$where = "t.term_id = '$term'";
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} else {
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if ( ! $term = sanitize_title($term) )
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return 0;
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$where = "t.slug = '$term'";
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}
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$term_id = $wpdb->get_var("SELECT term_id FROM $wpdb->terms as t WHERE $where");
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if ( empty($taxonomy) || empty($term_id) )
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return $term_id;
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return $wpdb->get_row("SELECT tt.term_id, tt.term_taxonomy_id FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE $where AND tt.taxonomy = '$taxonomy'", ARRAY_A);
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}
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/**
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@ -83,56 +94,51 @@ function get_defined_terms($terms) {
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/**
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* Relates an object (post, link etc) to a term and taxonomy type. Creates the term and taxonomy
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* relationship if it doesn't already exist. Creates a term if it doesn't exist (using the slug).
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* @param array|int|string $term The slug or id of the term.
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* @param int $object_id The object to relate to.
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* @param array|int|string $term The slug or id of the term.
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* @param array|string $taxonomies The context(s) in which to relate the term to the object.
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*/
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function add_term_relationship($terms, $object_id, $taxonomies) {
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function wp_set_object_terms($object_id, $terms, $taxonomies, $append = false) {
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global $wpdb;
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$object_id = (int) $object_id;
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if ( !is_array($taxonomies) )
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$taxonomies = array($taxonomies);
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if ( !is_array($terms) )
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$terms = array($terms);
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$defined_terms = get_defined_terms($terms);
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foreach ( $terms as $term ) {
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if ( !is_int($term) ) {
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if ( !isset($defined_terms[$term]) )
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$new_terms[] = $term;
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$slugs[] = $term;
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} else {
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$term_ids[] = $term;
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}
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if ( ! $append ) {
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$in_taxonomies = "'" . implode("', '", $taxonomies) . "'";
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$old_terms = $wpdb->get_col("SELECT tr.term_taxonomy_id FROM $wpdb->term_relationships AS tr INNER JOIN $wpdb->term_taxonomy AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy IN ($in_taxonomies) AND tr.object_id = '$object_id'");
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}
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$term_clause = isset($term_ids) ? 'tt.term_id IN (' . implode(', ', $term_ids) . ')' : '';
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if ( isset($slugs) ) {
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if ($term_clause) {
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$term_clause .= ' OR ';
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}
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$term_clause .= "t.slug IN ('" . implode("', '", $slugs) . "')";
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$term_join = "INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id";
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} else {
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$term_join = '';
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}
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// Now add or increment the term taxonomy relationships. This is inefficient at the moment.
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$tt_ids = array();
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foreach ( $taxonomies as $taxonomy ) {
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foreach ( $terms as $term ) {
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add_term($term, $taxonomy);
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foreach ($terms as $term) {
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if ( !$id = is_term($term, $taxonomy) )
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$id = add_term($term, $taxonomy);
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$id = $id['term_taxonomy_id'];
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$tt_ids[] = $id;
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if ( $wpdb->get_var("SELECT term_taxonomy_id FROM $wpdb->term_relationships WHERE object_id = '$object_id' AND term_taxonomy_id = '$id'") )
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continue;
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$wpdb->query("INSERT INTO $wpdb->term_relationships (object_id, term_taxonomy_id) VALUES ('$object_id', '$id')");
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}
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}
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$taxonomies = "'" . implode("', '", $taxonomies) . "'";
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// Finally, relate the term and taxonomy to the object.
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// Use IGNORE to avoid dupe warnings for now.
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$wpdb->query("INSERT IGNORE INTO $wpdb->term_relationships(object_id, term_taxonomy_id) SELECT '$object_id', term_taxonomy_id FROM $wpdb->term_taxonomy AS tt $term_join WHERE ($term_clause) AND tt.taxonomy IN ($taxonomies)");
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if ( ! $append ) {
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$delete_terms = array_diff($old_terms, $tt_ids);
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if ( $delete_terms ) {
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$delete_terms = "'" . implode("', '", $delete_terms) . "'";
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$wpdb->query("DELETE FROM $wpdb->term_relationships WHERE term_taxonomy_id IN ($delete_terms)");
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}
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}
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return $tt_ids;
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}
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/**
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* Returns the terms associated with the given object(s), in the supplied taxonomies.
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* @param int|array $object_id The id of the object(s)) to retrieve for.
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@ -144,7 +150,7 @@ function get_object_terms($object_id, $taxonomy) {
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$taxonomies = ($single_taxonomy = !is_array($taxonomy)) ? array($taxonomy) : $taxonomy;
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$object_ids = ($single_object = !is_array($object_id)) ? array($object_id) : $object_id;
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$taxonomies = "'" . implode("', '", $taxonomies) . "'";
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$taxonomies = "'" . implode("', '", $taxonomies) . "'";
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$object_ids = implode(', ', $object_ids);
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if ( $taxonomy_data = $wpdb->get_results("SELECT t.* FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON tt.term_id = t.term_id INNER JOIN $wpdb->term_relationships AS tr ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy IN ($taxonomies) AND tr.object_id IN ($object_ids)") ) {
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