hs.hsadmin.ng/src/main/resources/db/changelog/2022-07-28-003-random-in-range.sql
2022-07-29 11:38:51 +02:00

27 lines
667 B
PL/PgSQL

--liquibase formatted sql
-- ============================================================================
-- RANDOM-IN-RANGE
--changeset random-in-range:1 endDelimiter:--//
-- ----------------------------------------------------------------------------
/*
Returns a random integer in the given range (both included),
to be used for test data generation.
Example:
randomInRange(0, 4) might return any of 0, 1, 2, 3, 4
*/
create or replace function randomInRange(min integer, max integer)
returns integer
returns null on null input
language 'plpgsql' as $$
begin
return floor(random() * (max - min + 1) + min);
end; $$;
--//