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Make get_tax_sql() a standalone function. See #15032

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git-svn-id: http://svn.automattic.com/wordpress/trunk@16267 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
scribu 2010-11-09 23:30:35 +00:00
parent db1d9369eb
commit 3cbc8ef308
3 changed files with 56 additions and 56 deletions
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55
wp-includes/class-wp-object-query.php
View File

@ -71,61 +71,6 @@ class WP_Object_Query {
$qv['meta_query'] = $meta_query;
}
/*
* Used internally to generate an SQL string for searching across multiple taxonomies
*
* @access protected
* @since 3.1.0
*
* @param array $tax_query List of taxonomy queries. A single taxonomy query is an associative array:
* - 'taxonomy' string|array The taxonomy being queried
* - 'terms' string|array The list of terms
* - 'field' string (optional) Which term field is being used.
* Possible values: 'term_id', 'slug' or 'name'
* Default: 'slug'
* - 'operator' string (optional)
* Possible values: 'IN' and 'NOT IN'.
* Default: 'IN'
* - 'include_children' bool (optional) Whether to include child terms.
* Default: true
*
* @param string $object_id_column
* @return string
*/
function get_tax_sql( $tax_query, $object_id_column ) {
global $wpdb;
$sql = array();
foreach ( $tax_query as $query ) {
if ( !isset( $query['include_children'] ) )
$query['include_children'] = true;
$query['do_query'] = false;
$sql_single = get_objects_in_term( $query['terms'], $query['taxonomy'], $query );
if ( empty( $sql_single ) )
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)";
$ids = $wpdb->get_col( $r );
}
if ( !empty( $ids ) )
return " AND $object_id_column IN(" . implode( ', ', $ids ) . ")";
else
return ' AND 0 = 1';
}
/*
* Used internally to generate an SQL string for searching across multiple columns
*

2
wp-includes/query.php
View File

@ -1899,7 +1899,7 @@ class WP_Query extends WP_Object_Query {
$post_status_join = true;
}
$where .= $this->get_tax_sql( $q['tax_query'], "$wpdb->posts.ID" );
$where .= get_tax_sql( $q['tax_query'], "$wpdb->posts.ID" );
// Back-compat
$cat_query = wp_list_filter( $q['tax_query'], array( 'taxonomy' => 'category' ) );

55
wp-includes/taxonomy.php
View File

@ -554,6 +554,61 @@ function get_objects_in_term( $terms, $taxonomies, $args = array() ) {
return $do_query ? $wpdb->get_col( $sql ) : $sql;
}
/*
* Given a meta query, generates SQL to be appended to a main query
*
* @since 3.1.0
*
* @param array $tax_query List of taxonomy queries. A single taxonomy query is an associative array:
* - 'taxonomy' string|array The taxonomy being queried
* - 'terms' string|array The list of terms
* - 'field' string (optional) Which term field is being used.
* Possible values: 'term_id', 'slug' or 'name'
* Default: 'slug'
* - 'operator' string (optional)
* Possible values: 'IN' and 'NOT IN'.
* Default: 'IN'
* - 'include_children' bool (optional) Whether to include child terms.
* Default: true
*
* @param string $object_id_column
* @return string
*/
function get_tax_sql( $tax_query, $object_id_column ) {
global $wpdb;
$sql = array();
foreach ( $tax_query as $query ) {
if ( !isset( $query['include_children'] ) )
$query['include_children'] = true;
$query['do_query'] = false;
$sql_single = get_objects_in_term( $query['terms'], $query['taxonomy'], $query );
if ( empty( $sql_single ) )
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)";
$ids = $wpdb->get_col( $r );
}
if ( !empty( $ids ) )
return " AND $object_id_column IN(" . implode( ', ', $ids ) . ")";
else
return ' AND 0 = 1';
}
/**
* Get all Term data from database by Term ID.
*