Simplify the tag table

- Remove auto increment id
- Replaced nurl by profile id
- Added primary key on the two remaining columns

dfrndir.sql

@@ -230,13 +230,10 @@ CREATE TABLE IF NOT EXISTS `sync-timestamps` (
 --
 
 CREATE TABLE IF NOT EXISTS `tag` (
-  `id` int(11) NOT NULL AUTO_INCREMENT,
-  `term` char(255) NOT NULL,
-  `nurl` char(255) NOT NULL,
-  PRIMARY KEY (`id`),
-  KEY `term` (`term`(250)),
-  KEY `nurl` (`nurl`(250))
-) ENGINE=MyISAM AUTO_INCREMENT=101679 DEFAULT CHARSET=utf8mb4;
+  `term` varchar(50) NOT NULL,
+  `profile_id` int(11) NOT NULL,
+  PRIMARY KEY (`term`,`profile_id`) USING BTREE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 
 -- --------------------------------------------------------
 

include/submit.php

@@ -39,8 +39,8 @@ function run_submit($url)
 			`updated` = '%s'
 			WHERE `id` = %d LIMIT 1", dbesc(datetime_convert()), intval($profile_id)
 		);
-		$r = q("DELETE FROM `tag` WHERE `nurl` = '%s'",
-			dbesc($r[0]['nurl'])
+		$r = q("DELETE FROM `tag` WHERE `profile_id` = %d",
+			intval($profile_id)
 		);
 	}
 
@@ -188,9 +188,9 @@ function run_submit($url)
 			$t = substr($t, 0, 254);
 
 			if (strlen($t)) {
-				$r = q("INSERT INTO `tag` (`term`, `nurl`) VALUES ('%s', '%s') ",
+				$r = q("INSERT INTO `tag` (`term`, `profile_id`) VALUES ('%s', %d) ",
 					dbesc($t),
-					dbesc($nurl)
+					intval($profile_id)
 				);
 			}
 		}