Fixed a UI layout issue that occurred after upgrading from pgAdmin v9.2 when all tabs had been closed prior to the upgrade. #8830

web/migrations/versions/c62bcc14c3d6_.py

@@ -15,6 +15,7 @@ Create Date: 2025-06-02 21:45:20.653669
 """
 import sqlalchemy as sa
 from alembic import op
+import json
 
 # revision identifiers, used by Alembic.
 revision = 'c62bcc14c3d6'
@@ -26,7 +27,7 @@ depends_on = None
 def upgrade():
     # Add 'change_password' permission to all roles except 'Administrator'.
     meta = sa.MetaData()
-    meta.reflect(op.get_bind(), only=('role',))
+    meta.reflect(op.get_bind(), only=('role', 'setting'))
     role_table = sa.Table('role', meta)
 
     perm = role_table.c.permissions
@@ -40,6 +41,34 @@ def upgrade():
         ))
     )
 
+    # With latest rc-dock, we need to add panelLock to saved layout
+    # as default layout has panelLock.
+    setting_table = sa.Table('setting', meta)
+    rows = op.get_bind().execute(
+        setting_table.select().where(
+            setting_table.c.setting == 'Browser/Layout'
+        )
+    ).fetchall()
+
+    for row in rows:
+        if row.value:
+            try:
+                layout = json.loads(row.value)
+                layout['dockbox']['children'][1]['panelLock'] = {
+                    "panelStyle": "playground"
+                }
+                op.execute(
+                    setting_table.update().where(
+                        setting_table.c.user_id == row.user_id,
+                        setting_table.c.setting == 'Browser/Layout'
+                    ).values(
+                        value=json.dumps(layout)
+                    )
+                )
+            except Exception as _:
+                # ignore any errors
+                continue
+
     op.create_table(
         'application_state',
         sa.Column('uid', sa.Integer(), nullable=False),