refac

backend/open_webui/migrations/versions/c440947495f3_add_chat_file_table.py

@@ -19,6 +19,11 @@ depends_on: Union[str, Sequence[str], None] = None
 
 
 def upgrade() -> None:
+    conn = op.get_bind()
+    inspector = sa.inspect(conn)
+    existing_tables = set(inspector.get_table_names())
+
+    if 'chat_file' not in existing_tables:
         op.create_table(
             'chat_file',
             sa.Column('id', sa.Text(), primary_key=True),
@@ -46,9 +51,7 @@ def upgrade() -> None:
             # unique constraints
             sa.UniqueConstraint('chat_id', 'file_id', name='uq_chat_file_chat_file'),  # prevent duplicate entries
         )
-    pass
 
 
 def downgrade() -> None:
     op.drop_table('chat_file')
-    pass

backend/open_webui/migrations/versions/c69f45358db4_add_folder_table.py

@@ -16,6 +16,11 @@ depends_on = None
 
 
 def upgrade():
+    conn = op.get_bind()
+    inspector = sa.inspect(conn)
+    existing_tables = set(inspector.get_table_names())
+
+    if 'folder' not in existing_tables:
         op.create_table(
             'folder',
             sa.Column('id', sa.Text(), nullable=False),
@@ -36,6 +41,8 @@ def upgrade():
             sa.PrimaryKeyConstraint('id', 'user_id'),
         )
 
+    chat_cols = {c['name'] for c in inspector.get_columns('chat')}
+    if 'folder_id' not in chat_cols:
         op.add_column(
             'chat',
             sa.Column('folder_id', sa.Text(), nullable=True),