CREATE TABLE sites (
  domain TEXT NOT NULL PRIMARY KEY,
  rank INTEGER NOT NULL
);

-- Prefix completion ordered by popularity. The caller escapes LIKE
-- metacharacters in the user input and appends '%', so `ESCAPE '\'` makes any
-- literal % / _ the user typed match literally instead of as wildcards.
searchSitesByPrefix:
  SELECT * FROM sites
  WHERE domain LIKE :pattern ESCAPE '\'
  ORDER BY rank ASC
  LIMIT :limit;