+ $verifier->{S}{db_setup_stmts} //=
+ ["CREATE TABLE $verifier->{S}{db_prefix}_assocs (".
+ " assochash VARCHAR PRIMARY KEY,".
+ " username VARCHAR NOT NULL,".
+ " last INTEGER NOT NULL".
+ ")"
+ ,
+ "CREATE INDEX $verifier->{S}{db_prefix}_assocs_timeout_index".
+ " ON $verifier->{S}{db_prefix}_assocs".
+ " (last)"
+ ];