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

test/fixtures/custom_values.yml

@@ -34,10 +34,16 @@ custom_values_004:
   custom_field_id: 2
   customized_id: 1
   id: 7
-  value: "101"
+  value: "125"
 custom_values_005: 
   customized_type: Issue
   custom_field_id: 2
   customized_id: 2
   id: 8
   value: ""
+custom_values_008: 
+  customized_type: Issue
+  custom_field_id: 1
+  customized_id: 3
+  id: 11
+  value: "MySQL"

test/fixtures/queries.yml

@@ -0,0 +1,22 @@
+--- 
+queries_001: 
+  name: Multiple custom fields query
+  project_id: 1
+  filters: |
+    --- 
+    cf_1: 
+      :values: 
+      - MySQL
+      :operator: "="
+    status_id: 
+      :values: 
+      - "1"
+      :operator: o
+    cf_2: 
+      :values: 
+      - "125"
+      :operator: "="
+
+  id: 1
+  is_public: true
+  user_id: 1

test/unit/query_test.rb

@@ -0,0 +1,31 @@
+# redMine - project management software
+# Copyright (C) 2006-2007  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+require File.dirname(__FILE__) + '/../test_helper'
+
+class QueryTest < Test::Unit::TestCase
+  fixtures :projects, :users, :trackers, :issue_statuses, :issue_categories, :enumerations, :issues, :custom_fields, :custom_values, :queries
+
+  def test_query_with_multiple_custom_fields
+    query = Query.find(1)
+    assert query.valid?
+    assert query.statement.include?("custom_values.value IN ('MySQL')")
+    issues = Issue.find :all,:include => [ :assigned_to, :status, :tracker, :project, :priority ], :conditions => query.statement
+    assert_equal 1, issues.length
+    assert_equal Issue.find(3), issues.first
+  end
+end