in INFORMATION_SCHEMA.INNODB_CMP*.

i_s_cmp_fields_info, i_s_cmpmem_fields_info: Define the field lengths
as MY_INT32_NUM_DECIMAL_DIGITS or MY_INT64_NUM_DECIMAL_DIGITS.

i_s_cmpmem_fields_info: Define "relocation_ops" as MYSQL_TYPE_LONGLONG.