Changeset 18899 for trunk/wp-admin/includes/schema.php

Timestamp:

10/06/2011 12:21:24 AM (15 years ago)

Author:

ryan

Message:

Introduce wp_get_db_schema() for rerieving the various flavors of the WP db schema. Eliminates need to use global. Allows multiple calls to wpmu_create_blog(). see #12028

File:

• trunk/wp-admin/includes/schema.php (modified) (6 diffs)

trunk/wp-admin/includes/schema.php

@@ -8 +8 @@
  * @subpackage Administration
  */
+
+// Declare these as global in case schema.php is included from a function.
+global $wpdb, $wp_queries, $charset_collate;
 
 /**
@@ -17 +20 @@
 $charset_collate = '';
 
-// Declare these as global in case schema.php is included from a function.
-global $wpdb, $wp_queries;
-
-if ( ! empty($wpdb->charset) )
+if ( ! empty( $wpdb->charset ) )
         $charset_collate = "DEFAULT CHARACTER SET $wpdb->charset";
-if ( ! empty($wpdb->collate) )
+if ( ! empty( $wpdb->collate ) )
         $charset_collate .= " COLLATE $wpdb->collate";
 
-/** Create WordPress database tables SQL */
-$wp_queries = "CREATE TABLE $wpdb->terms (
+/**
+ * Retrieve the SQL for creating database tables.
+ *
+ * @since 3.3.0
+ *
+ * @param string $scope Optional. The tables for which to retrieve SQL. Can be all, global, ms_global, or blog tables. Defaults to all.
+ * @param int $blog_id Optional. The blog ID for which to retrieve SQL.  Default is the current blog ID.
+ * @return string The SQL needed to create the requested tables.
+ */
+function wp_get_db_schema( $scope = 'all', $blog_id = null ) {
+        global $wpdb;
+
+        if ( ! empty($wpdb->charset) )
+                $charset_collate = "DEFAULT CHARACTER SET $wpdb->charset";
+        if ( ! empty($wpdb->collate) )
+                $charset_collate .= " COLLATE $wpdb->collate";
+
+        if ( $blog_id && $blog_id != $wpdb->blogid )
+                $old_blog_id = $wpdb->set_blog_id( $blog_id );
+
+        // Engage multisite if in the middle of turning it on from network.php.
+        $is_multisite = is_multisite() || ( defined( 'WP_INSTALLING_NETWORK' ) && WP_INSTALLING_NETWORK );
+
+        // Blog specific tables.
+        $blog_tables = "CREATE TABLE $wpdb->terms (
  term_id bigint(20) unsigned NOT NULL auto_increment,
  name varchar(200) NOT NULL default '',
@@ -149 +172 @@
   KEY post_parent (post_parent),
   KEY post_author (post_author)
-) $charset_collate;
-CREATE TABLE $wpdb->users (
+) $charset_collate;\n";
+
+        // Single site users table. The multisite flavor of the users table is handled below.
+        $users_single_table = "CREATE TABLE $wpdb->users (
   ID bigint(20) unsigned NOT NULL auto_increment,
   user_login varchar(60) NOT NULL default '',
@@ -164 +189 @@
   KEY user_login_key (user_login),
   KEY user_nicename (user_nicename)
-) $charset_collate;
-CREATE TABLE $wpdb->usermeta (
+) $charset_collate;\n";
+
+        // Multisite users table
+        $users_multi_table = "CREATE TABLE $wpdb->users (
+  ID bigint(20) unsigned NOT NULL auto_increment,
+  user_login varchar(60) NOT NULL default '',
+  user_pass varchar(64) NOT NULL default '',
+  user_nicename varchar(50) NOT NULL default '',
+  user_email varchar(100) NOT NULL default '',
+  user_url varchar(100) NOT NULL default '',
+  user_registered datetime NOT NULL default '0000-00-00 00:00:00',
+  user_activation_key varchar(60) NOT NULL default '',
+  user_status int(11) NOT NULL default '0',
+  display_name varchar(250) NOT NULL default '',
+  spam tinyint(2) NOT NULL default '0',
+  deleted tinyint(2) NOT NULL default '0',
+  PRIMARY KEY  (ID),
+  KEY user_login_key (user_login),
+  KEY user_nicename (user_nicename)
+) $charset_collate;\n";
+
+        // usermeta
+        $usermeta_table = "CREATE TABLE $wpdb->usermeta (
   umeta_id bigint(20) unsigned NOT NULL auto_increment,
   user_id bigint(20) unsigned NOT NULL default '0',
@@ -173 +219 @@
   KEY user_id (user_id),
   KEY meta_key (meta_key)
+) $charset_collate;\n";
+
+        // Global tables
+        if ( $is_multisite )
+                $global_tables = $users_multi_table . $usermeta_table;
+        else
+                $global_tables = $users_single_table . $usermeta_table;
+
+        // Multisite global tables.
+        $ms_global_tables = "CREATE TABLE $wpdb->blogs (
+  blog_id bigint(20) NOT NULL auto_increment,
+  site_id bigint(20) NOT NULL default '0',
+  domain varchar(200) NOT NULL default '',
+  path varchar(100) NOT NULL default '',
+  registered datetime NOT NULL default '0000-00-00 00:00:00',
+  last_updated datetime NOT NULL default '0000-00-00 00:00:00',
+  public tinyint(2) NOT NULL default '1',
+  archived enum('0','1') NOT NULL default '0',
+  mature tinyint(2) NOT NULL default '0',
+  spam tinyint(2) NOT NULL default '0',
+  deleted tinyint(2) NOT NULL default '0',
+  lang_id int(11) NOT NULL default '0',
+  PRIMARY KEY  (blog_id),
+  KEY domain (domain(50),path(5)),
+  KEY lang_id (lang_id)
+) $charset_collate;
+CREATE TABLE $wpdb->blog_versions (
+  blog_id bigint(20) NOT NULL default '0',
+  db_version varchar(20) NOT NULL default '',
+  last_updated datetime NOT NULL default '0000-00-00 00:00:00',
+  PRIMARY KEY  (blog_id),
+  KEY db_version (db_version)
+) $charset_collate;
+CREATE TABLE $wpdb->registration_log (
+  ID bigint(20) NOT NULL auto_increment,
+  email varchar(255) NOT NULL default '',
+  IP varchar(30) NOT NULL default '',
+  blog_id bigint(20) NOT NULL default '0',
+  date_registered datetime NOT NULL default '0000-00-00 00:00:00',
+  PRIMARY KEY  (ID),
+  KEY IP (IP)
+) $charset_collate;
+CREATE TABLE $wpdb->site (
+  id bigint(20) NOT NULL auto_increment,
+  domain varchar(200) NOT NULL default '',
+  path varchar(100) NOT NULL default '',
+  PRIMARY KEY  (id),
+  KEY domain (domain,path)
+) $charset_collate;
+CREATE TABLE $wpdb->sitemeta (
+  meta_id bigint(20) NOT NULL auto_increment,
+  site_id bigint(20) NOT NULL default '0',
+  meta_key varchar(255) default NULL,
+  meta_value longtext,
+  PRIMARY KEY  (meta_id),
+  KEY meta_key (meta_key),
+  KEY site_id (site_id)
+) $charset_collate;
+CREATE TABLE $wpdb->signups (
+  domain varchar(200) NOT NULL default '',
+  path varchar(100) NOT NULL default '',
+  title longtext NOT NULL,
+  user_login varchar(60) NOT NULL default '',
+  user_email varchar(100) NOT NULL default '',
+  registered datetime NOT NULL default '0000-00-00 00:00:00',
+  activated datetime NOT NULL default '0000-00-00 00:00:00',
+  active tinyint(1) NOT NULL default '0',
+  activation_key varchar(50) NOT NULL default '',
+  meta longtext,
+  KEY activation_key (activation_key),
+  KEY domain (domain)
 ) $charset_collate;";
+
+        switch ( $scope ) {
+                case 'blog' :
+                        $queries = $blog_tables;
+                        break;
+                case 'global' :
+                        $queries = $global_tables;
+                        if ( $is_multisite )
+                                $queries .= $ms_global_tables;
+                        break;
+                case 'ms_global' :
+                        $queries = $ms_global_tables;
+                        break;
+                default:
+                case 'all' :
+                        $queries = $global_tables . $blog_tables;
+                        if ( $is_multisite )
+                                $queries .= $ms_global_tables;
+                        break;
+        }
+
+        if ( isset( $old_blog_id ) )
+                $wpdb->set_blog_id( $old_blog_id );
+
+        return $queries;
+}
+
+// Populate for back compat.
+$wp_queries = wp_get_db_schema( 'all' );
 
 /**
@@ -625 +771 @@
 
 /**
+ * Install Network.
+ *
+ * @since 3.0.0
+ *
+ */
+if ( !function_exists( 'install_network' ) ) :
+function install_network() {
+        if ( ! defined( 'WP_INSTALLING_NETWORK' ) )
+                define( 'WP_INSTALLING_NETWORK', true );
+
+        dbDelta( wp_get_db_schema( 'global' ) );
+}
+endif;
+
+/**
  * populate network settings
  *