diff --git a/crates/db/src/db.rs b/crates/db/src/db.rs
index bf3cd64508..9a64986987 100644
--- a/crates/db/src/db.rs
+++ b/crates/db/src/db.rs
@@ -14,6 +14,7 @@ use parking_lot::Mutex;
 use rusqlite::Connection;
 
 use migrations::MIGRATIONS;
+pub use workspace::*;
 
 #[derive(Clone)]
 pub enum Db {
diff --git a/crates/db/src/pane.rs b/crates/db/src/pane.rs
index 98feb36abf..8ca1fd5de2 100644
--- a/crates/db/src/pane.rs
+++ b/crates/db/src/pane.rs
@@ -30,13 +30,13 @@ CREATE TABLE pane_items(
 ) STRICT;
 ";
 
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Copy, Clone)]
 pub struct PaneId {
     workspace_id: WorkspaceId,
     pane_id: usize,
 }
 
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Copy, Clone)]
 pub struct PaneGroupId {
     workspace_id: WorkspaceId,
     group_id: usize,
@@ -58,6 +58,16 @@ pub struct SerializedPaneGroup {
     children: Vec<PaneGroupChild>,
 }
 
+impl SerializedPaneGroup {
+    pub(crate) fn empty_root(workspace_id: WorkspaceId) -> Self {
+        Self {
+            group_id: PaneGroupId::root(workspace_id),
+            axis: Default::default(),
+            children: Default::default(),
+        }
+    }
+}
+
 struct PaneGroupChildRow {
     child_pane_id: Option<usize>,
     child_group_id: Option<usize>,
@@ -99,7 +109,7 @@ impl Db {
                 ));
             }
         }
-        children.sort_by_key(|(index, _)| index);
+        children.sort_by_key(|(index, _)| *index);
 
         SerializedPaneGroup {
             group_id: pane_group_id,
@@ -108,18 +118,18 @@ impl Db {
         }
     }
 
-    pub fn get_pane_group_children(
+    fn get_pane_group_children(
         &self,
         pane_group_id: PaneGroupId,
     ) -> impl Iterator<Item = PaneGroupChildRow> {
-        unimplemented!()
+        Vec::new().into_iter()
     }
 
-    pub fn get_pane_group_axis(&self, pane_group_id: PaneGroupId) -> Axis {
+    fn get_pane_group_axis(&self, pane_group_id: PaneGroupId) -> Axis {
         unimplemented!();
     }
 
-    pub fn save_center_pane_group(&self, center_pane_group: SerializedPaneGroup) {
+    pub fn save_pane_splits(&self, center_pane_group: SerializedPaneGroup) {
         // Delete the center pane group for this workspace and any of its children
         // Generate new pane group IDs as we go through
         // insert them
diff --git a/crates/db/src/workspace.rs b/crates/db/src/workspace.rs
index e342391b71..e60cb19e3b 100644
--- a/crates/db/src/workspace.rs
+++ b/crates/db/src/workspace.rs
@@ -36,7 +36,6 @@ CREATE TABLE worktree_roots(
 pub struct WorkspaceId(usize);
 
 struct WorkspaceRow {
-    pub workspace_id: WorkspaceId,
     pub center_group_id: PaneGroupId,
     pub dock_pane_id: PaneId,
 }
@@ -67,15 +66,10 @@ impl Db {
             }
         } else {
             let workspace_id = self.get_next_workspace_id();
-            let center_group = SerializedPaneGroup {
-                group_id: PaneGroupId::root(workspace_id),
-                axis: Default::default(),
-                children: Default::default(),
-            };
 
             SerializedWorkspace {
                 workspace_id,
-                center_group,
+                center_group: SerializedPaneGroup::empty_root(workspace_id),
                 dock_pane: None,
             }
         }
diff --git a/crates/workspace/src/dock.rs b/crates/workspace/src/dock.rs
index fa8f182a31..699b9b1d60 100644
--- a/crates/workspace/src/dock.rs
+++ b/crates/workspace/src/dock.rs
@@ -137,11 +137,7 @@ pub struct Dock {
 }
 
 impl Dock {
-    pub fn new(
-        serialized_pane: SerializedPane,
-        default_item_factory: DefaultItemFactory,
-        cx: &mut ViewContext<Workspace>,
-    ) -> Self {
+    pub fn new(default_item_factory: DefaultItemFactory, cx: &mut ViewContext<Workspace>) -> Self {
         let anchor = cx.global::<Settings>().default_dock_anchor;
         let pane = cx.add_view(|cx| Pane::new(Some(anchor), cx));
         pane.update(cx, |pane, cx| {
diff --git a/crates/workspace/src/workspace.rs b/crates/workspace/src/workspace.rs
index 86eff8fb79..154cf10912 100644
--- a/crates/workspace/src/workspace.rs
+++ b/crates/workspace/src/workspace.rs
@@ -15,6 +15,7 @@ use anyhow::{anyhow, Context, Result};
 use call::ActiveCall;
 use client::{proto, Client, PeerId, TypedEnvelope, UserStore};
 use collections::{hash_map, HashMap, HashSet};
+use db::{SerializedWorkspace, WorkspaceId};
 use dock::{DefaultItemFactory, Dock, ToggleDockButton};
 use drag_and_drop::DragAndDrop;
 use fs::{self, Fs};
@@ -1064,6 +1065,7 @@ pub enum Event {
 
 pub struct Workspace {
     weak_self: WeakViewHandle<Self>,
+    db_id: WorkspaceId,
     client: Arc<Client>,
     user_store: ModelHandle<client::UserStore>,
     remote_entity_subscription: Option<client::Subscription>,
@@ -1110,8 +1112,8 @@ enum FollowerItem {
 
 impl Workspace {
     pub fn new(
-        serialized_workspace: SerializedWorkspace,
         project: ModelHandle<Project>,
+        serialized_workspace: SerializedWorkspace,
         dock_default_factory: DefaultItemFactory,
         cx: &mut ViewContext<Self>,
     ) -> Self {
@@ -1175,7 +1177,7 @@ impl Workspace {
 
         cx.emit_global(WorkspaceCreated(weak_handle.clone()));
 
-        let dock = Dock::new(cx, dock_default_factory);
+        let dock = Dock::new(dock_default_factory, cx);
         let dock_pane = dock.pane().clone();
 
         let left_sidebar = cx.add_view(|_| Sidebar::new(SidebarSide::Left));
@@ -1207,6 +1209,7 @@ impl Workspace {
         let mut this = Workspace {
             modal: None,
             weak_self: weak_handle,
+            db_id: serialized_workspace.workspace_id,
             center: PaneGroup::new(center_pane.clone()),
             dock,
             // When removing an item, the last element remaining in this array