slugify.sql

# feel free to add new rows for other special characters
UPDATE table_to_update SET `slug` = lower(field_to_slugify),
slug = replace(slug, '.', ' '),
slug = replace(slug, ',', ''),
slug = replace(slug, '\'', '-'),
slug = replace(slug, '/', '-'),
slug = replace(slug,'á','a'),
slug = replace(slug,'é','e'),
slug = replace(slug,'í','i'),
slug = replace(slug,'ó','o'),
slug = replace(slug,'ö','o'),
slug = replace(slug,'ő','o'),
slug = replace(slug,'ú','u'),
slug = replace(slug,'ü','u'),
slug = replace(slug,'ű','u'),
slug = trim(slug),
slug = replace(slug, ' ', '-'),
slug = replace(slug, '--', '-'),
slug = replace(slug, '---', '-')
;