text: -- collate2.test
  -- 
  -- execsql {
  --     SELECT a FROM collate2t1 WHERE 
  --       CASE a WHEN 'aa' THEN 1 ELSE 0 END
  --         ORDER BY 1, oid;
  -- }
  SELECT a FROM collate2t1 WHERE 
  CASE a WHEN 'aa' THEN 1 ELSE 0 END
  ORDER BY 1, oid;