ssb: Revise private scanning slightly.

apps/ssb/tf-app.js

@@ -305,12 +305,16 @@ class TfElement extends LitElement {
 		const k_chunk_size = 512;
 		if (cache.range.length) {
 			for (let i = cache.range[1]; i < latest; i += k_chunk_size) {
-				ranges.push([i, Math.min(i + k_chunk_size, latest), true]);
+				ranges.push([
+					i,
+					Math.min(i + k_chunk_size, latest),
+					true,
+				]);
 			}
 			for (let i = cache.range[0]; i >= 0; i -= k_chunk_size) {
 				ranges.push([
 					Math.max(i - k_chunk_size, 0),
-					Math.min(cache.range[0], i + k_chunk_size),
+					i,
 					false,
 				]);
 			}
@@ -328,7 +332,7 @@ class TfElement extends LitElement {
 							messages.rowid > ?1 AND
 							messages.rowid <= ?2 AND
 							json(messages.content) LIKE '"%'
-						ORDER BY sequence DESC
+						ORDER BY messages.rowid DESC
 					`,
 				[range[0], range[1]]
 			);