Pages in an index are now tracked with templatelinks, not pagelinks

This is following PRP commit 8d9e1bd9911f857654c8fd612873d21c58253b9c
which changed how those links are constructed.

tools/ws-statistician/update_db.py

@@ -30,12 +30,12 @@ def sql_all_revs_for_index_pages_since(conn, index_id, since):
     cursor = conn.cursor(dictionary=True)
 
     sql = """
-SELECT p.page_title, p.page_id, r.rev_id, r.rev_timestamp, pl.pl_from as index_id
+SELECT p.page_title, p.page_id, r.rev_id, r.rev_timestamp, tl.tl_from as index_id
 FROM page AS p
 INNER JOIN revision as r on r.rev_page = p.page_id
-RIGHT JOIN pagelinks as pl on p.page_title = pl.pl_title
+RIGHT JOIN templatelinks as tl on p.page_title = tl.tl_title
 WHERE p.page_namespace=%s
-    AND pl.pl_from=%s
+    AND tl.tl_from=%s
     AND r.rev_timestamp > %s
 ORDER BY p.page_id
 ;"""