In CQL table names must be composed only of letters, digits, or underscores, but some Cassandra documentation is unclear whether these "letters" refer only to the Latin alphabet, or maybe UTF-8 names composed of letters in other alphabets should be allowed too. This patch adds a test that confirms that both Scylla and Cassandra only accept the Latin alphabet in table names, and for example UTF-8 names with French or Hebrew letters are rejected. Signed-off-by: Nadav Har'El <nyh@scylladb.com> Message-Id: <20220222134220.972413-1-nyh@scylladb.com>