Method get_value

sql/sql_acl.cc:1740–1752

    return 0;
  }
  bool get_value(const char *key, 
                 enum json_types vt, const char **v, size_t *vl) const
  {
    enum json_types value_type;
    int int_vl;
    String str, *res= m_table->field[2]->val_str(&str);
    if (!res ||
        (value_type= json_get_object_key(res->ptr(), res->end(), key,
                                             v, &int_vl)) == JSV_BAD_JSON)
      return 1; // invalid
    *vl= int_vl;
    return value_type != vt;
  }
  const char *get_str_value(MEM_ROOT *root, const char *key) const
  {
    size_t value_len;