another DB update to fix uid_mid index in item table and add xchan_photo_m index to xchan table

Zotlabs/Update/_1233.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Zotlabs\Update;
+
+class _1233 {
+
+	function run() {
+	
+		q("START TRANSACTION");
+
+		if(ACTIVE_DBTYPE == DBTYPE_POSTGRES) {
+			$r1 = q("DROP INDEX item_uid_mid");
+
+			$r2 = q("create index item_uid_mid on item (uid, mid)");
+			$r3 = q("create index xchan_photo_m on xchan (xchan_photo_m)");
+			
+			$r = ($r1 && $r2 && $r3);
+		}
+		else {
+			$r1 = q("ALTER TABLE item DROP INDEX uid_mid");
+
+			$r2 = q("ALTER TABLE item ADD INDEX uid_mid (uid, mid)");
+			$r3 = q("ALTER TABLE xchan ADD INDEX xchan_photo_m (xchan_photo_m)");
+			
+			$r = ($r1 && $r2 && $r3);
+		}
+
+		if($r) {
+			q("COMMIT");
+			return UPDATE_SUCCESS;
+		}
+
+		q("ROLLBACK");
+		return UPDATE_FAILED;
+
+	}
+
+}