private void updateExtraViewToolbar(IActionContributor actionContributor) {
        // Update toolbar
        sqlExtraPanelToolbar.removeAll();
        if (actionContributor != null) {
            actionContributor.contributeActions(sqlExtraPanelToolbar);
        }
        sqlExtraPanelToolbar.add(ActionUtils.makeCommandContribution(
            getSite(),
            "org.jkiss.dbeaver.ui.editors.sql.toggle.extraPanels",
            CommandContributionItem.STYLE_CHECK,
            UIIcon.ARROW_DOWN));
        sqlExtraPanelToolbar.update(true);
    }
Changes mode of showing result for script execution - multiple results per tab or one tab per result.
plugins/org.jkiss.dbeaver.ui.editors.sql/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditor.java