Method num_fields

sql/sql_acl.cc:847–847

Number of fields for this Grant Table. */

 public:
  /* Number of fields for this Grant Table. */
  uint num_fields() const { return m_table->s->fields; }
  /* Check if the table exists after an attempt to open it was made.
     Some tables, such as the host table in MySQL 5.6.7+ are missing. */
  bool table_exists() const { return m_table; };