web & server: using tantivy for news post search

server/sql/all-posts.sql

@@ -6,6 +6,9 @@ SELECT
     date,
     is_read,
     uid,
-    id
-FROM post
-WHERE title ILIKE '%grapheme%' OR summary ILIKE '%grapheme%';
+    p.id id
+FROM
+    post AS p
+    JOIN feed AS f ON p.site = f.slug -- necessary to weed out nzb posts
+ORDER BY
+    date DESC;