int|mapping(string:mixed) fetch_field()
Return specification of the current field.
Returns a mapping with information about the current field, and advances the field cursor one step. Returns 0 (zero) if there are no more fields.
0
The mapping contains the same entries as those returned by Mysql.mysql->list_fields() , except that the entry "default" is missing.
"default"
This function is usually not enabled. To enable it SUPPORT_FIELD_SEEK must be defined when compiling the mysql-module.
fetch_fields() , field_seek() , Mysql.mysql->list_fields()