Create an Object Relationships Database Table

src/wp-admin/includes/schema.php

@@ -53,7 +53,27 @@ function wp_get_db_schema( $scope = 'all', $blog_id = null ) {
 	$max_index_length = 191;
 
 	// Blog-specific tables.
-	$blog_tables = "CREATE TABLE $wpdb->termmeta (
+	$blog_tables = "CREATE TABLE $wpdb->object_relationshipmeta (
+	meta_id bigint(20) unsigned NOT NULL auto_increment,
+	object_relationship_id bigint(20) unsigned NOT NULL default '0',
+	meta_key varchar(255) default NULL,
+	meta_value longtext,
+	PRIMARY KEY (meta_id),	
+	KEY object_relationship_id (object_relationship_id),
+	KEY meta_key (meta_key($max_index_length))
+) $charset_collate;
+CREATE TABLE $wpdb->object_relationships (
+	relationship_id bigint(20) unsigned NOT NULL auto_increment,
+	left_object_id bigint(20) unsigned NOT NULL default 0,
+	left_object_type varchar(255) NOT NULL default '',
+	right_object_type varchar(255) NOT NULL default '',
+	right_object_id bigint(20) unsigned NOT NULL default 0,
+	PRIMARY KEY (relationship_id),	
+	KEY left_object_id (left_object_id),
+	KEY left_object_type (left_object_type($max_index_length)),
+	KEY right_object_type (right_object_type($max_index_length))
+) $charset_collate;
+CREATE TABLE $wpdb->termmeta (
 	meta_id bigint(20) unsigned NOT NULL auto_increment,
 	term_id bigint(20) unsigned NOT NULL default '0',
 	meta_key varchar(255) default NULL,
@@ -63,31 +83,31 @@ function wp_get_db_schema( $scope = 'all', $blog_id = null ) {
 	KEY meta_key (meta_key($max_index_length))
 ) $charset_collate;
 CREATE TABLE $wpdb->terms (
- term_id bigint(20) unsigned NOT NULL auto_increment,
- name varchar(200) NOT NULL default '',
- slug varchar(200) NOT NULL default '',
- term_group bigint(10) NOT NULL default 0,
- PRIMARY KEY  (term_id),
- KEY slug (slug($max_index_length)),
- KEY name (name($max_index_length))
+	term_id bigint(20) unsigned NOT NULL auto_increment,
+	name varchar(200) NOT NULL default '',
+	slug varchar(200) NOT NULL default '',
+	term_group bigint(10) NOT NULL default 0,
+	PRIMARY KEY  (term_id),
+	KEY slug (slug($max_index_length)),
+	KEY name (name($max_index_length))
 ) $charset_collate;
 CREATE TABLE $wpdb->term_taxonomy (
- term_taxonomy_id bigint(20) unsigned NOT NULL auto_increment,
- term_id bigint(20) unsigned NOT NULL default 0,
- taxonomy varchar(32) NOT NULL default '',
- description longtext NOT NULL,
- parent bigint(20) unsigned NOT NULL default 0,
- count bigint(20) NOT NULL default 0,
- PRIMARY KEY  (term_taxonomy_id),
- UNIQUE KEY term_id_taxonomy (term_id,taxonomy),
- KEY taxonomy (taxonomy)
+	term_taxonomy_id bigint(20) unsigned NOT NULL auto_increment,
+	term_id bigint(20) unsigned NOT NULL default 0,
+	taxonomy varchar(32) NOT NULL default '',
+	description longtext NOT NULL,
+	parent bigint(20) unsigned NOT NULL default 0,
+	count bigint(20) NOT NULL default 0,
+	PRIMARY KEY  (term_taxonomy_id),
+	UNIQUE KEY term_id_taxonomy (term_id,taxonomy),
+	KEY taxonomy (taxonomy)
 ) $charset_collate;
 CREATE TABLE $wpdb->term_relationships (
- object_id bigint(20) unsigned NOT NULL default 0,
- term_taxonomy_id bigint(20) unsigned NOT NULL default 0,
- term_order int(11) NOT NULL default 0,
- PRIMARY KEY  (object_id,term_taxonomy_id),
- KEY term_taxonomy_id (term_taxonomy_id)
+	object_id bigint(20) unsigned NOT NULL default 0,
+	term_taxonomy_id bigint(20) unsigned NOT NULL default 0,
+	term_order int(11) NOT NULL default 0,
+	PRIMARY KEY  (object_id,term_taxonomy_id),
+	KEY term_taxonomy_id (term_taxonomy_id)
 ) $charset_collate;
 CREATE TABLE $wpdb->commentmeta (
 	meta_id bigint(20) unsigned NOT NULL auto_increment,

src/wp-includes/class-wpdb.php

@@ -285,6 +285,7 @@ class wpdb {
 	 * List of WordPress per-site tables.
 	 *
 	 * @since 2.5.0
+	* @since CP-2.2.0 - Added `object_relationships` and `object_relationshipmeta`
 	 *
 	 * @see wpdb::tables()
 	 * @var string[]
@@ -300,6 +301,8 @@ class wpdb {
 		'term_relationships',
 		'termmeta',
 		'commentmeta',
+		'object_relationships',
+		'object_relationshipmeta',
 	);
 
 	/**
@@ -441,6 +444,24 @@ class wpdb {
 	 */
 	public $termmeta;
 
+	/**
+	 * ClassicPress Object Relationships table.
+	 *
+	 * @since CP-2.2.0
+	 *
+	 * @var string
+	 */
+	public $object_relationships;
+
+	/**
+	 * ClassicPress Object Relationship Meta table.
+	 *
+	 * @since CP-2.2.0
+	 *
+	 * @var string
+	 */
+	 public $object_relationshipmeta;
+
 	//
 	// Global and Multisite tables
 	//