-- Fail inserting string of just whitespace into ISOK_RESULTS.QR_ID
INSERT INTO isok_results (
    iqname, first_seen, last_seen, last_role, last_schemas
  , resolved, deferred_to, category, keep_until
  , qr_id, qr_message, qr_extra
  , notes)
  VALUES ('query1'
        , '1900-01-01'
        , '1900-01-01'
        , 'somerole'
        , '{"schema1","schema2"}'
        , NULL
        , NULL
        , 'rtype1'
        , NULL
        , '   '
        , 'Informative message'
        , NULL
        , '');
ERROR:  new row for relation "isok_results" violates check constraint "QR_ID: Cannot be empty or only whitespace characters"
DETAIL:  Failing row contains (10, query1, Mon Jan 01 00:00:00 1900, Mon Jan 01 00:00:00 1900, somerole, {schema1,schema2}, null, null, rtype1, null,    , Informative message, null, ).