Function check_proc_record

sql/sql_show.cc:6980–7018

*/

int check_proc_record(const CHARSET_INFO *name_field_charset,
                      const LOOKUP_FIELD_VALUES *lookup,
                      const LEX_CSTRING &db,
                      const LEX_CSTRING &name)
{
  if (lookup->db_value.str && cmp(lookup->db_value, db))
  {
    /*
      We have the name of target database. If we got a non-matching
      record, this means we've finished reading matching mysql.proc records
    */
    return HA_ERR_END_OF_FILE;
  }

  if (lookup->table_value.str)
  {
    if ((my_ci_strnncoll(name_field_charset,
                         (const uchar *) lookup->table_value.str,
                         lookup->table_value.length,
                         (const uchar *) name.str, name.length, 0)))
    {
      /* Routine name doesn't match. */
      if (lookup->db_value.str)
      {
        /*
          We're using index lookup. A non-matching record means we've
          finished reading matches.
        */
        return HA_ERR_END_OF_FILE;
      }
      else
      {
        /* The routine name doesn't match, but we're scanning all databases */
        return 0; /* Continue scanning */
      }
    }
  }
  return -1; /* This is a match */
}

/**
  @brief Store record into I_S.PARAMETERS table