code: def downgrade():
      with op.batch_alter_table(
          "jobs_history", schema=None
      ) as batch_op:
          batch_op.drop_column("updated_at")
          batch_op.drop_column("query_str")
  
imports: from alembic import op
  import sqlalchemy
  import mindsdb.interfaces.storage.db
label_desc: Use image node_id 2 for calling a global function with example usage: downgrade() without return types