50 lines
1.2 KiB
MySQL
50 lines
1.2 KiB
MySQL
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-- Deploy camper:unset_season_range to pg
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-- requires: roles
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-- requires: schema_camper
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-- requires: season_calendar
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begin;
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set search_path to camper, public;
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create or replace function unset_season_range(range daterange) returns void as
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$$
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declare
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tmp_range daterange;
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tmp_id integer;
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begin
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for tmp_id, tmp_range in
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select season_id, season_range
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from season_calendar
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where season_range @> range
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loop
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delete from season_calendar where season_id = tmp_id and season_range = tmp_range;
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insert into season_calendar (season_id, season_range)
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values (tmp_id, daterange(lower(tmp_range), lower(range)))
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, (tmp_id, daterange(upper(range), upper(tmp_range)))
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;
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end loop;
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delete from season_calendar where range @> season_range;
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update season_calendar
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set season_range = season_range - range
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where season_range && range
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and season_range < range
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;
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update season_calendar
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set season_range = season_range - (season_range * range)
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where season_range && range
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and season_range > range
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;
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end
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$$
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language plpgsql
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;
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revoke execute on function unset_season_range(daterange) from public;
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grant execute on function unset_season_range(daterange) to admin;
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commit;
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