Index: app/controllers/issues_controller.rb
===================================================================
--- app/controllers/issues_controller.rb	(revision 1)
+++ app/controllers/issues_controller.rb	(revision 2)
@@ -64,6 +64,9 @@
                            :conditions => @query.statement,
                            :limit  =>  limit,
                            :offset =>  @issue_pages.current.offset
+      if !params[:group_by].nil? 
+        @query.group_by = params[:group_by].to_s
+      end
       respond_to do |format|
         format.html { render :template => 'issues/index.rhtml', :layout => !request.xhr? }
         format.atom { render_feed(@issues, :title => "#{@project || Setting.app_title}: #{l(:label_issue_plural)}") }
Index: app/controllers/queries_controller.rb
===================================================================
--- app/controllers/queries_controller.rb	(revision 1)
+++ app/controllers/queries_controller.rb	(revision 2)
@@ -26,6 +26,7 @@
     @query.user = User.current
     @query.is_public = false unless (@query.project && current_role.allowed_to?(:manage_public_queries)) || User.current.admin?
     @query.column_names = nil if params[:default_columns]
+    @query.group_by = params[:group_by]
     
     params[:fields].each do |field|
       @query.add_filter(field, params[:operators][field], params[:values][field])
@@ -49,6 +50,7 @@
       @query.project = nil if params[:query_is_for_all]
       @query.is_public = false unless (@query.project && current_role.allowed_to?(:manage_public_queries)) || User.current.admin?
       @query.column_names = nil if params[:default_columns]
+      @query.group_by = params[:group_by].to_s
       
       if @query.save
         flash[:notice] = l(:notice_successful_update)
Index: app/views/issues/_list.rhtml
===================================================================
--- app/views/issues/_list.rhtml	(revision 1)
+++ app/views/issues/_list.rhtml	(revision 2)
@@ -1,3 +1,12 @@
+<script type="text/javascript">
+//<![CDATA[
+function toggle_group(group_id) {
+  $$('tr.group-' + group_id).invoke('toggle');//.hide();
+  el = $('gh-' + group_id); 
+  el.className = (el.className == "entry")?'entry   open':'entry';
+}
+//]]>
+</script>
 <% form_tag({}) do -%>	
 <table class="list issues">
     <thead><tr>
@@ -10,13 +19,41 @@
         <% end %>
 	</tr></thead>
 	<tbody>
-	<% issues.each do |issue| -%>
-	<tr id="issue-<%= issue.id %>" class="hascontextmenu <%= cycle('odd', 'even') %> <%= css_issue_classes(issue) %>">
+
+  <% is_group_defined = query.group_by.nil? %>
+  <% if !is_group_defined %>
+  <% is_group_defined = query.group_by.empty? %>
+  <% end %>
+  <% if is_group_defined %> 
+  <% @issues_by_group = { "" => @issues } %>
+  <% else %>
+  <% column = query.columns.find{|c| c.name.to_s == query.group_by} %>
+  <% @issues_by_group = @issues.group_by {|i| column_content(column, i) } %>
+  <% end %>
+
+  <% col_nums = query.columns.size %>
+  <% group_num = 0 %>
+  <% @issues_by_group.each do |key, issue_list| -%>
+  <% group_num = group_num+1 %>
+  
+  <% if !is_group_defined %> 
+  <tr class="entry open" id="gh-<%= group_num.to_s %>">
+    <td colspan="<%= col_nums+2 %>" class="header" style="padding-top: 10px; padding-bottom: 10px; font-weight: bold;">
+    <span class="expander" onclick='toggle_group(<%= group_num.to_s %>);'>&nbsp</span></a> [<%= key %>] (<%= issue_list.size %>)</td>
+  </tr>
+  <% end %>
+
+	<% issue_list.each do |issue| -%>
+	<tr id="issue-<%= issue.id %>" class="hascontextmenu <%= cycle('odd', 'even') %> <%= css_issue_classes(issue) %> group-<%= group_num %>">
 	    <td class="checkbox"><%= check_box_tag("ids[]", issue.id, false, :id => nil) %></td>
 		<td><%= link_to issue.id, :controller => 'issues', :action => 'show', :id => issue %></td>
         <% query.columns.each do |column| %><%= content_tag 'td', column_content(column, issue), :class => column.name %><% end %>
 	</tr>
+
 	<% end -%>
+
+  <% end -%>  
+ 
 	</tbody>
 </table>
 <% end -%>
Index: app/views/queries/_filters.rhtml
===================================================================
--- app/views/queries/_filters.rhtml	(revision 1)
+++ app/views/queries/_filters.rhtml	(revision 2)
@@ -58,7 +58,7 @@
 
 <table width="100%">
 <tr>
-<td>
+<td rowspan="2">
 <table>
 <% query.available_filters.sort{|a,b| a[1][:order]<=>b[1][:order]}.each do |filter| %>
     <% field = filter[0]
@@ -95,7 +95,13 @@
 </td>
 <td class="add-filter">
 <%= l(:label_filter_add) %>:
-<%= select_tag 'add_filter_select', options_for_select([["",""]] + query.available_filters.sort{|a,b| a[1][:order]<=>b[1][:order]}.collect{|field| [ field[1][:name] || l(("field_"+field[0].to_s.gsub(/\_id$/, "")).to_sym), field[0]] unless query.has_filter?(field[0])}.compact), :onchange => "add_filter();", :class => "select-small" %>
+<%= select_tag 'add_filter_select', options_for_select([["",""]] + query.available_filters.sort{|a,b| a[1][:order]<=>b[1][:order]}.collect{|field| [ field[1][:name] || l(("field_"+field[0].to_s.gsub(/\_id$/, "")).to_sym), field[0]] unless query.has_filter?(field[0])}.compact), :onchange => "add_filter();", :class => "select-small", :style => "width: 150px" %>
 </td>
 </tr>
+<tr>
+<td class="add-filter">
+<%= l(:label_group_by) %>:
+<%= select_tag 'group_by', options_for_select([["",""]] + query.columns.collect {|column| [column.caption, column.name.to_s]}, query.group_by), :class => "select-small", :style => "width: 150px" %>
+</td>
+</tr>
 </table>
Index: lang/ru.yml
===================================================================
--- lang/ru.yml	(revision 1)
+++ lang/ru.yml	(revision 2)
@@ -730,3 +730,4 @@
 text_wiki_destroy_confirmation: Вы уверены, что хотите удалить данную Wiki и все ее содержимое?
 text_workflow_edit: Выберите роль и трекер для редактирования последовательности состояний
 
+label_group_by: Группировать по
\ No newline at end of file