server: index all search summaries on refresh

server/sql/need-search-summary.sql

@@ -3,7 +3,6 @@ SELECT
     link,
     clean_summary
 FROM
--- Remoe tablesample when db sufficiently indexed
-    post AS p TABLESAMPLE SYSTEM (.1)
+    post AS p
 INNER JOIN feed AS f ON p.site = f.slug -- necessary to weed out nzb posts
 WHERE search_summary IS NULL;