hs.hsadmin.ng/src/main/resources/db/changelog/2022-07-28-002-int-to-var.sql

--liquibase formatted sql

--changeset int-to-var:1 endDelimiter:--//

/*
    Returns a textual representation of an integer number to be used as generated test data.

    Examples :
        intToVarChar(0, 3) => 'aaa'
        intToVarChar(1, 3) => 'aab'
 */
create or replace function intToVarChar(i integer, len integer)
    returns varchar
    language plpgsql as $$
declare
    partial varchar;
begin
    select chr(ascii('a') + i % 26) into partial;
    if len > 1 then
        return intToVarChar(i / 26, len - 1) || partial;
    else
        return partial;
    end if;
end; $$;
--//