docs: def do_stored_procedure_check(self, instance, proc):
          """
          Fetch the metrics from the stored proc
          """
  
          guardSql = instance.get('proc_only_if')
          custom_tags = instance.get("tags", [])
  
          if (guardSql and self.proc_check_guard(instance, guardSql)) or not guardSql:
              self.open_db_connections(instance, self.DEFAULT_DB_KEY)
              cursor = self.get_cursor(instance, self.DEFAULT_DB_KEY)
  
              try:
                  self.log.debug("Calling Stored Procedure : {}".format(proc))
                  if self._get_connector(instance) == 'adodbapi':
                      cursor.callproc(proc)
                  else:
                      # pyodbc does not support callproc; use execute instead.
                      # Reference: https://github.com/mkleehammer/pyodbc/wiki/Calling-Stored-Procedures
                      call_proc = '{{CALL {}}}'.format(proc)
                      cursor.execute(call_proc)
  
                  rows = cursor.fetchall()
                  self.log.debug("Row count ({}) : {}".format(proc, cursor.rowcount))
  
                  for row in rows:
                      tags = [] if row.tags is None or row.tags == '' else row.tags.split(',')
                      tags.extend(custom_tags)
  
                      if row.type.lower() in self.proc_type_mapping:
                          self.proc_type_mapping[row.type](row.metric, row.value, tags)
                      else:
                          self.log.warning(
                              '{} is not a recognised type from procedure {}, metric {}'.format(
                                  row.type, proc, row.metric
                              )
                          )
  
              except Exception as e:
                  self.log.warning("Could not call procedure {}: {}".format(proc, e))
  
              self.close_cursor(cursor)
              self.close_db_connections(instance, self.DEFAULT_DB_KEY)
          else:
              self.log.info("Skipping call to {} due to only_if".format(proc))