camper/deploy/booking__stay.sql

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MySQL
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-- Deploy camper:booking__stay to pg
-- requires: booking
begin;
set search_path to camper, public;
alter table booking
add column stay daterange constraint stay_not_empty check (not isempty(stay))
;
update booking
set stay = daterange(arrival_date, departure_date)
;
alter table booking
drop column if exists arrival_date
, drop column if exists departure_date
, alter column stay set not null
;
create index stay_idx on booking using gist (stay);
commit;