Method reset_diagnostics_area

sql/sql_error.cc:313–343

*/

void
Diagnostics_area::reset_diagnostics_area()
{
  DBUG_ENTER("reset_diagnostics_area");
#ifdef DBUG_OFF
  m_can_overwrite_status= FALSE;
  /** Don't take chances in production */
  m_message[0]= '\0';
  Sql_state_errno::clear();
  Sql_user_condition_identity::clear();
  m_last_insert_id= 0;
  if (!is_bulk_op())
  {
    m_affected_rows= 0;
    m_statement_warn_count= 0;
  }
#endif
  get_warning_info()->clear_error_condition();
  set_is_sent(false);
  /*
    For BULK DML operations (e.g. UPDATE) the data member m_status
    has the value DA_OK_BULK. Keep this value in order to handle
    m_affected_rows, m_statement_warn_count in correct way. Else,
    the number of rows and the number of warnings affected by
    the last statement executed as part of a trigger fired by the dml
    (e.g. UPDATE statement fires a trigger on AFTER UPDATE) would counts
    rows modified by trigger's statement.
  */
  m_status= is_bulk_op() ? DA_OK_BULK : DA_EMPTY;
  DBUG_VOID_RETURN;
}


/**