Fixed: queries with multiple custom fields return no result.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@668 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/feeds_controller.rb

@@ -45,7 +45,7 @@ class FeedsController < ApplicationController
     end
 
     Issue.with_scope(:find => @find_options) do
-      @issues = Issue.find :all, :include => [:project, :author, :tracker, :status, :custom_values], 
+      @issues = Issue.find :all, :include => [:project, :author, :tracker, :status], 
                                  :order => "#{Issue.table_name}.created_on DESC"
     end
     @title = (@project ? @project.name : Setting.app_title) + ": " + (query ? query.name : l(:label_reported_issues))
@@ -65,7 +65,7 @@ class FeedsController < ApplicationController
     end
 
     Journal.with_scope(:find => @find_options) do
-      @journals = Journal.find :all, :include => [ :details, :user, {:issue => [:project, :author, :tracker, :status, :custom_values]} ], 
+      @journals = Journal.find :all, :include => [ :details, :user, {:issue => [:project, :author, :tracker, :status]} ], 
                                      :order => "#{Journal.table_name}.created_on DESC"
     end
     

app/controllers/projects_controller.rb

@@ -290,10 +290,10 @@ class ProjectsController < ApplicationController
     end
 
     if @query.valid?
-      @issue_count = Issue.count(:include => [:status, :project, :custom_values], :conditions => @query.statement)		
+      @issue_count = Issue.count(:include => [:status, :project], :conditions => @query.statement)		
       @issue_pages = Paginator.new self, @issue_count, @results_per_page, params['page']								
       @issues = Issue.find :all, :order => sort_clause,
-  						:include => [ :assigned_to, :status, :tracker, :project, :priority, :custom_values ],
+  						:include => [ :assigned_to, :status, :tracker, :project, :priority ],
   						:conditions => @query.statement,
   						:limit  =>  @issue_pages.items_per_page,
   						:offset =>  @issue_pages.current.offset						
@@ -369,7 +369,7 @@ class ProjectsController < ApplicationController
     render :action => 'list_issues' and return unless @query.valid?
 					
     @issues =  Issue.find :all, :order => sort_clause,
-						:include => [ :author, :status, :tracker, :priority, :project, :custom_values ],
+						:include => [ :author, :status, :tracker, :priority, :project ],
 						:conditions => @query.statement,
 						:limit => Setting.issues_export_limit.to_i
 											

app/models/query.rb

@@ -164,7 +164,8 @@ class Query < ActiveRecord::Base
   end
   
   def statement
-    sql = "1=1"
+    # project/subprojects clause
+    clause = ''
     if has_filter?("subproject_id")
       subproject_ids = []
       if operator_for("subproject_id") == "="
@@ -172,27 +173,29 @@ class Query < ActiveRecord::Base
       else
         subproject_ids = project.active_children.collect{|p| p.id}
       end
-      sql << " AND #{Issue.table_name}.project_id IN (%d,%s)" % [project.id, subproject_ids.join(",")] if project
+      clause << "#{Issue.table_name}.project_id IN (%d,%s)" % [project.id, subproject_ids.join(",")] if project
     else
-      sql << " AND #{Issue.table_name}.project_id=%d" % project.id if project
+      clause << "#{Issue.table_name}.project_id=%d" % project.id if project
     end
+    
+    # filters clauses
+    filters_clauses = []
     filters.each_key do |field|
       next if field == "subproject_id"
       v = values_for(field).clone
       next unless v and !v.empty?
-        
-      sql = sql + " AND " unless sql.empty?      
-      sql << "("
-      
+            
+      sql = ''      
       if field =~ /^cf_(\d+)$/
         # custom field
         db_table = CustomValue.table_name
-        db_field = "value"
-        sql << "#{db_table}.custom_field_id = #{$1} AND "
+        db_field = 'value'
+        sql << "#{Issue.table_name}.id IN (SELECT #{db_table}.customized_id FROM #{db_table} where #{db_table}.customized_type='Issue' AND #{db_table}.customized_id=#{Issue.table_name}.id AND #{db_table}.custom_field_id=#{$1} AND "
       else
         # regular field
         db_table = Issue.table_name
         db_field = field
+        sql << '('
       end
       
       # "me" value subsitution
@@ -232,9 +235,11 @@ class Query < ActiveRecord::Base
       when "!~"
         sql = sql + "#{db_table}.#{db_field} NOT LIKE '%#{connection.quote_string(v.first)}%'"
       end
-      sql << ")"
-      
+      sql << ')'
+      filters_clauses << sql
     end if filters and valid?
-    sql
+    
+    clause << (' AND ' + filters_clauses.join(' AND ')) unless filters_clauses.empty?
+    clause
   end
 end