bp_core_install_document()

function bp_core_install_document() {
	$sql             = array();
	$charset_collate = $GLOBALS['wpdb']->get_charset_collate();
	$bp_prefix       = bp_core_get_table_prefix();

	$sql[] = "CREATE TABLE {$bp_prefix}bp_document_folder (
	   id bigint(20) NOT NULL AUTO_INCREMENT,
	   blog_id bigint(20) NULL DEFAULT NULL,
	   user_id bigint(20) NOT NULL,
	   group_id bigint(20) NULL,
	   parent bigint(20) NULL DEFAULT 0,
	   title text NOT NULL,
	   privacy varchar(50) NULL DEFAULT 'public',
	   date_created datetime NULL DEFAULT '0000-00-00 00:00:00',
	   date_modified datetime NULL DEFAULT '0000-00-00 00:00:00',
	   PRIMARY KEY  (id)
   ) {$charset_collate};";

	$sql[] = "CREATE TABLE {$bp_prefix}bp_document_folder_meta (
				id bigint(20) NOT NULL AUTO_INCREMENT PRIMARY KEY,
				folder_id bigint(20) NOT NULL,
				meta_key varchar(255) DEFAULT NULL,
				meta_value longtext DEFAULT NULL,
				KEY folder_id (folder_id),
				KEY meta_key (meta_key(191))
			) {$charset_collate};";


	$sql[] = "CREATE TABLE {$bp_prefix}bp_document (
		id bigint(20) NOT NULL AUTO_INCREMENT ,
		blog_id bigint(20) NULL DEFAULT NULL,
		attachment_id bigint(20) NOT NULL ,
		user_id bigint(20) NOT NULL,
		title text,
		folder_id bigint(20),
		group_id bigint(20),
		activity_id bigint(20) NULL DEFAULT NULL ,
		privacy varchar(50) NULL DEFAULT 'public',
		menu_order bigint(20) NULL DEFAULT 0 ,
		date_created datetime DEFAULT '0000-00-00 00:00:00',
		date_modified datetime NULL DEFAULT '0000-00-00 00:00:00',
		PRIMARY KEY  (id),
		KEY attachment_id (attachment_id),
		KEY user_id (user_id),
		KEY folder_id (folder_id),
		KEY document_author_id (folder_id,user_id),
		KEY activity_id (activity_id)
	) {$charset_collate};";

	$sql[] = "CREATE TABLE {$bp_prefix}bp_document_meta (
				id bigint(20) NOT NULL AUTO_INCREMENT PRIMARY KEY,
				document_id bigint(20) NOT NULL,
				meta_key varchar(255) DEFAULT NULL,
				meta_value longtext DEFAULT NULL,
				KEY document_id (document_id),
				KEY meta_key (meta_key(191))
			) {$charset_collate};";


	dbDelta( $sql );
}