Optimize get_tax_sql(). See #12891
git-svn-id: http://svn.automattic.com/wordpress/trunk@16413 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
scribu
parent
d2a5add61a
commit
f58b21e69d
|
|
@ -1933,6 +1933,11 @@ class WP_Query {
|
|||
// Taxonomies
|
||||
$q['tax_query'] = $this->parse_tax_query( $q );
|
||||
if ( !empty( $q['tax_query'] ) ) {
|
||||
$clauses = call_user_func_array( 'get_tax_sql', array( $q['tax_query'], $wpdb->posts, 'ID', &$this) );
|
||||
|
||||
$join .= $clauses['join'];
|
||||
$where .= $clauses['where'];
|
||||
|
||||
if ( empty($post_type) ) {
|
||||
$post_type = 'any';
|
||||
$post_status_join = true;
|
||||
|
|
@ -1940,8 +1945,6 @@ class WP_Query {
|
|||
$post_status_join = true;
|
||||
}
|
||||
|
||||
$where .= get_tax_sql( $q['tax_query'], "$wpdb->posts.ID" );
|
||||
|
||||
// Back-compat
|
||||
$tax_query_in = wp_list_filter( $q['tax_query'], array( 'operator' => 'IN' ) );
|
||||
if ( !empty( $tax_query_in ) ) {
|
||||
|
|
|
|||
|
|
@ -460,98 +460,43 @@ function register_taxonomy_for_object_type( $taxonomy, $object_type) {
|
|||
* @uses $wpdb
|
||||
* @uses wp_parse_args() Creates an array from string $args.
|
||||
*
|
||||
* @param mixed $terms Term id/slug/name or array of such to match against
|
||||
* @param int|array $term_ids Term id or array of term ids of terms that will be used
|
||||
* @param string|array $taxonomies String of taxonomy name or Array of string values of taxonomy names
|
||||
* @param array|string $args
|
||||
* 'include_children' bool Whether to include term children (hierarchical taxonomies only)
|
||||
* 'field' string Which term field is being used. Can be 'term_id', 'slug' or 'name'
|
||||
* 'operator' string Can be 'IN' and 'NOT IN'
|
||||
* 'do_query' bool Whether to execute the query or return the SQL string
|
||||
*
|
||||
* @return WP_Error If the taxonomy does not exist
|
||||
* @return array The list of found object_ids
|
||||
* @return string The SQL string, if do_query is set to false
|
||||
* @param array|string $args Change the order of the object_ids, either ASC or DESC
|
||||
* @return WP_Error|array If the taxonomy does not exist, then WP_Error will be returned. On success
|
||||
* the array can be empty meaning that there are no $object_ids found or it will return the $object_ids found.
|
||||
*/
|
||||
function get_objects_in_term( $terms, $taxonomies, $args = array() ) {
|
||||
function get_objects_in_term( $term_ids, $taxonomies, $args = array() ) {
|
||||
global $wpdb;
|
||||
|
||||
extract( wp_parse_args( $args, array(
|
||||
'include_children' => false,
|
||||
'field' => 'term_id',
|
||||
'operator' => 'IN',
|
||||
'do_query' => true,
|
||||
) ), EXTR_SKIP );
|
||||
if ( ! is_array( $term_ids ) )
|
||||
$term_ids = array( $term_ids );
|
||||
|
||||
$taxonomies = (array) $taxonomies;
|
||||
if ( ! is_array( $taxonomies ) )
|
||||
$taxonomies = array( $taxonomies );
|
||||
|
||||
foreach ( $taxonomies as $taxonomy ) {
|
||||
foreach ( (array) $taxonomies as $taxonomy ) {
|
||||
if ( ! taxonomy_exists( $taxonomy ) )
|
||||
return new WP_Error( 'invalid_taxonomy', sprintf( __( 'Invalid Taxonomy: %s' ), $taxonomy ) );
|
||||
return new WP_Error( 'invalid_taxonomy', __( 'Invalid Taxonomy' ) );
|
||||
}
|
||||
|
||||
if ( !in_array( $field, array( 'term_id', 'slug', 'name' ) ) )
|
||||
$field = 'term_id';
|
||||
$defaults = array( 'order' => 'ASC' );
|
||||
$args = wp_parse_args( $args, $defaults );
|
||||
extract( $args, EXTR_SKIP );
|
||||
|
||||
if ( !in_array( $operator, array( 'IN', 'NOT IN' ) ) )
|
||||
$operator = 'IN';
|
||||
$order = ( 'desc' == strtolower( $order ) ) ? 'DESC' : 'ASC';
|
||||
|
||||
$terms = array_unique( (array) $terms );
|
||||
|
||||
if ( is_taxonomy_hierarchical( $taxonomy ) && $include_children ) {
|
||||
$children = array();
|
||||
foreach ( $terms as $term ) {
|
||||
if ( 'term_id' != $field ) {
|
||||
if ( $term = get_term_by( $field, $term, $taxonomy ) )
|
||||
$term = $term->term_id;
|
||||
else
|
||||
continue;
|
||||
}
|
||||
$children = array_merge( $children, get_term_children( $term, $taxonomy ) );
|
||||
$children[] = $term;
|
||||
}
|
||||
$terms = $children;
|
||||
$field = 'term_id';
|
||||
}
|
||||
|
||||
if ( empty( $terms ) )
|
||||
return $do_query ? array() : '';
|
||||
$term_ids = array_map('intval', $term_ids );
|
||||
|
||||
$taxonomies = "'" . implode( "', '", $taxonomies ) . "'";
|
||||
$term_ids = "'" . implode( "', '", $term_ids ) . "'";
|
||||
|
||||
switch ( $field ) {
|
||||
case 'term_id':
|
||||
$terms = array_map( 'intval', $terms );
|
||||
$object_ids = $wpdb->get_col("SELECT tr.object_id FROM $wpdb->term_relationships AS tr INNER JOIN $wpdb->term_taxonomy AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy IN ($taxonomies) AND tt.term_id IN ($term_ids) ORDER BY tr.object_id $order");
|
||||
|
||||
$terms = implode( ',', $terms );
|
||||
$sql = "
|
||||
SELECT object_id
|
||||
FROM $wpdb->term_relationships
|
||||
INNER JOIN $wpdb->term_taxonomy USING (term_taxonomy_id)
|
||||
WHERE taxonomy IN ($taxonomies)
|
||||
AND term_id $operator ($terms)
|
||||
";
|
||||
break;
|
||||
if ( ! $object_ids )
|
||||
return array();
|
||||
|
||||
case 'slug':
|
||||
case 'name':
|
||||
foreach ( $terms as $i => $term ) {
|
||||
$terms[$i] = sanitize_title_for_query( $term );
|
||||
}
|
||||
$terms = array_filter($terms);
|
||||
|
||||
$terms = "'" . implode( "','", $terms ) . "'";
|
||||
$sql = "
|
||||
SELECT object_id
|
||||
FROM $wpdb->term_relationships
|
||||
INNER JOIN $wpdb->term_taxonomy USING (term_taxonomy_id)
|
||||
INNER JOIN $wpdb->terms USING (term_id)
|
||||
WHERE taxonomy IN ($taxonomies)
|
||||
AND $field $operator ($terms)
|
||||
";
|
||||
break;
|
||||
}
|
||||
|
||||
return $do_query ? $wpdb->get_col( $sql ) : $sql;
|
||||
return $object_ids;
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -571,43 +516,121 @@ function get_objects_in_term( $terms, $taxonomies, $args = array() ) {
|
|||
* - 'include_children' bool (optional) Whether to include child terms.
|
||||
* Default: true
|
||||
*
|
||||
* @param string $object_id_column
|
||||
* @param string $primary_table
|
||||
* @param string $primary_id_column
|
||||
* @return string
|
||||
*/
|
||||
function get_tax_sql( $tax_query, $object_id_column ) {
|
||||
function get_tax_sql( $tax_query, $primary_table, $primary_id_column ) {
|
||||
global $wpdb;
|
||||
|
||||
$sql = array();
|
||||
$join = '';
|
||||
$where = '';
|
||||
$i = 0;
|
||||
foreach ( $tax_query as $query ) {
|
||||
if ( !isset( $query['include_children'] ) )
|
||||
$query['include_children'] = true;
|
||||
extract( wp_parse_args( $query, array(
|
||||
'taxonomy' => array(),
|
||||
'terms' => array(),
|
||||
'include_children' => true,
|
||||
'field' => 'term_id',
|
||||
'operator' => 'IN',
|
||||
) ) );
|
||||
|
||||
$query['do_query'] = false;
|
||||
$taxonomies = (array) $taxonomy;
|
||||
|
||||
$sql_single = get_objects_in_term( $query['terms'], $query['taxonomy'], $query );
|
||||
|
||||
if ( empty( $sql_single ) || is_wp_error( $sql_single ) )
|
||||
foreach ( $taxonomies as $taxonomy ) {
|
||||
if ( ! taxonomy_exists( $taxonomy ) )
|
||||
return ' AND 0 = 1';
|
||||
|
||||
$sql[] = $sql_single;
|
||||
}
|
||||
|
||||
if ( 1 == count( $sql ) ) {
|
||||
$ids = $wpdb->get_col( $sql[0] );
|
||||
} else {
|
||||
$r = "SELECT object_id FROM $wpdb->term_relationships WHERE 1=1";
|
||||
foreach ( $sql as $query )
|
||||
$r .= " AND object_id IN ($query)";
|
||||
if ( !in_array( $operator, array( 'IN', 'NOT IN' ) ) )
|
||||
$operator = 'IN';
|
||||
|
||||
$ids = $wpdb->get_col( $r );
|
||||
$taxonomies = "'" . implode( "', '", $taxonomies ) . "'";
|
||||
|
||||
$terms = array_unique( (array) $terms );
|
||||
|
||||
if ( empty( $terms ) )
|
||||
continue;
|
||||
|
||||
if ( is_taxonomy_hierarchical( $taxonomy ) && $include_children ) {
|
||||
_transform_terms( $terms, $taxonomies, $field, 'term_id' );
|
||||
|
||||
if ( empty( $terms ) )
|
||||
continue;
|
||||
|
||||
$children = array();
|
||||
foreach ( $terms as $term ) {
|
||||
$children = array_merge( $children, get_term_children( $term, $taxonomy ) );
|
||||
$children[] = $term;
|
||||
}
|
||||
$terms = $children;
|
||||
|
||||
_transform_terms( $terms, $taxonomies, 'term_id', 'term_taxonomy_id' );
|
||||
}
|
||||
else {
|
||||
_transform_terms( $terms, $taxonomies, $field, 'term_taxonomy_id' );
|
||||
}
|
||||
|
||||
if ( !empty( $ids ) )
|
||||
return " AND $object_id_column IN(" . implode( ', ', $ids ) . ")";
|
||||
else
|
||||
return ' AND 0 = 1';
|
||||
if ( empty( $terms ) )
|
||||
continue;
|
||||
|
||||
$terms = implode( ',', $terms );
|
||||
|
||||
if ( 'IN' == $operator ) {
|
||||
$alias = $i ? 'tt' . $i : $wpdb->term_relationships;
|
||||
|
||||
$join .= " INNER JOIN $wpdb->term_relationships";
|
||||
$join .= $i ? " AS $alias" : '';
|
||||
$join .= " ON ($primary_table.$primary_id_column = $alias.object_id)";
|
||||
|
||||
$where .= " AND $alias.term_taxonomy_id $operator ($terms)";
|
||||
|
||||
$i++;
|
||||
}
|
||||
else {
|
||||
// NOT IN is very slow for some reason
|
||||
$where .= " AND $primary_table.$primary_id_column IN (
|
||||
SELECT object_id
|
||||
FROM $wpdb->term_relationships
|
||||
WHERE term_taxonomy_id $operator ($terms)
|
||||
)";
|
||||
}
|
||||
}
|
||||
|
||||
return compact( 'join', 'where' );
|
||||
}
|
||||
|
||||
function _transform_terms( &$terms, $taxonomies, $field, $resulting_field ) {
|
||||
global $wpdb;
|
||||
|
||||
if ( $field == $resulting_field )
|
||||
return;
|
||||
|
||||
$resulting_field = esc_sql( $resulting_field );
|
||||
|
||||
switch ( $field ) {
|
||||
case 'slug':
|
||||
case 'name':
|
||||
$terms = "'" . implode( "','", array_map( 'sanitize_title_for_query', $terms ) ) . "'";
|
||||
$terms = $wpdb->get_col( "
|
||||
SELECT $resulting_field
|
||||
FROM $wpdb->term_taxonomy
|
||||
INNER JOIN $wpdb->terms USING (term_id)
|
||||
WHERE taxonomy IN ($taxonomies)
|
||||
AND $field IN ($terms)
|
||||
" );
|
||||
break;
|
||||
|
||||
default:
|
||||
$terms = implode( ',', array_map( 'intval', $terms ) );
|
||||
$terms = $wpdb->get_col( "
|
||||
SELECT $resulting_field
|
||||
FROM $wpdb->term_taxonomy
|
||||
WHERE taxonomy IN ($taxonomies)
|
||||
AND term_id IN ($terms)
|
||||
" );
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Get all Term data from database by Term ID.
|
||||
|
|
|
|||
Loading…
Reference in New Issue