st_mysql_field 成员列表

成员的完整列表，这些成员属于st_mysql_field，包括所有继承而来的成员

catalog	st_mysql_field
catalog_length	st_mysql_field
charsetnr	st_mysql_field
db	st_mysql_field
db_length	st_mysql_field
decimals	st_mysql_field
def	st_mysql_field
def_length	st_mysql_field
extension	st_mysql_field
flags	st_mysql_field
length	st_mysql_field
max_length	st_mysql_field
name	st_mysql_field
name_length	st_mysql_field
org_name	st_mysql_field
org_name_length	st_mysql_field
org_table	st_mysql_field
org_table_length	st_mysql_field
table	st_mysql_field
table_length	st_mysql_field
type	st_mysql_field