fix: export+import of page timestamps

deps/db/src/logseq/db/sqlite/build.cljs

@@ -415,8 +415,8 @@
   (vec
    (mapcat
     (fn [{:keys [page blocks]}]
-      (let [ignore-page-tx? (and build-existing-tx? (not (::new-page? (meta page))) (not (:build/keep-uuid? page)))
-            page' (if ignore-page-tx?
+      (let [build-existing-tx?' (and build-existing-tx? (not (::new-page? (meta page))) (not (:build/keep-uuid? page)))
+            page' (if build-existing-tx?'
                     page
                     (merge
                      ;; TODO: Use sqlite-util/build-new-page
@@ -430,8 +430,8 @@
                           page-id-fn)]
         (into
          ;; page tx
-         (if ignore-page-tx?
-           []
+         (if build-existing-tx?'
+           [(select-keys page [:block/uuid :block/created-at :block/updated-at])]
            (build-page-tx page' all-idents page-uuids properties))
          ;; blocks tx
          (reduce (fn [acc m]
@@ -707,8 +707,8 @@
     See auto-create-ontology for more details
   * :build-existing-tx? - When set to true, blocks, pages, properties and classes with :block/uuid are treated as
      existing in DB and are skipped for creation. This is useful for building tx on existing DBs e.g. for importing.
-     Blocks are updated with any attributes passed to it while all other node types are ignored for update unless
-     :build/keep-uuid? is set.
+     Blocks and pages are updated with any attributes passed to it while all other node types are ignored for update
+     unless :build/keep-uuid? is set.
   * :page-id-fn - custom fn that returns ent lookup id for page refs e.g. `[:block/uuid X]`
     Default is :db/id