Alter statements from Owl 2.2.x to Owl 2.3.0

--table changes for dataset_hist alter table public.dataset_hist add column max_chart_value INTEGER DEFAULT 20; alter table public.dataset_hist add column lower_bound DOUBLE PRECISION; alter table public.dataset_hist add column upper_bound DOUBLE PRECISION; alter table public.dataset_hist add column q1 DOUBLE PRECISION; alter table public.dataset_hist add column q3 DOUBLE PRECISION; alter table public.dataset_hist add column median DOUBLE PRECISION; --alter for table dataset_schema ALTER TABLE public.dataset_schema ADD COLUMN is_masked integer;