jro_apps/redmine Commit - r10738:eb1829e739bd

Moves issue specific code to IssueQuery....

Jean-Philippe Lang -

r10738:eb1829e739bd

parent child

Context file:

r10738:eb1829e739bd

Collapse all files

app/models/issue_query.rb +104 0

             # Redmine - project management software
             # Copyright (C) 2006-2012  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.
             class IssueQuery < Query
+              self.queried_class = Issue
               self.available_columns = [
                 QueryColumn.new(:project, :sortable => "#{Project.table_name}.name", :groupable => true),
                 QueryColumn.new(:tracker, :sortable => "#{Tracker.table_name}.position", :groupable => true),
                 QueryColumn.new(:parent, :sortable => ["#{Issue.table_name}.root_id", "#{Issue.table_name}.lft ASC"], :default_order => 'desc', :caption => :field_parent_issue),
                 QueryColumn.new(:status, :sortable => "#{IssueStatus.table_name}.position", :groupable => true),
                 QueryColumn.new(:priority, :sortable => "#{IssuePriority.table_name}.position", :default_order => 'desc', :groupable => true),
                 QueryColumn.new(:subject, :sortable => "#{Issue.table_name}.subject"),
                 QueryColumn.new(:author, :sortable => lambda {User.fields_for_order_statement("authors")}, :groupable => true),
                 QueryColumn.new(:assigned_to, :sortable => lambda {User.fields_for_order_statement}, :groupable => true),
                 QueryColumn.new(:updated_on, :sortable => "#{Issue.table_name}.updated_on", :default_order => 'desc'),
                 QueryColumn.new(:category, :sortable => "#{IssueCategory.table_name}.name", :groupable => true),
                 QueryColumn.new(:fixed_version, :sortable => lambda {Version.fields_for_order_statement}, :groupable => true),
                 QueryColumn.new(:start_date, :sortable => "#{Issue.table_name}.start_date"),
                 QueryColumn.new(:due_date, :sortable => "#{Issue.table_name}.due_date"),
                 QueryColumn.new(:estimated_hours, :sortable => "#{Issue.table_name}.estimated_hours"),
                 QueryColumn.new(:done_ratio, :sortable => "#{Issue.table_name}.done_ratio", :groupable => true),
                 QueryColumn.new(:created_on, :sortable => "#{Issue.table_name}.created_on", :default_order => 'desc'),
                 QueryColumn.new(:relations, :caption => :label_related_issues),
                 QueryColumn.new(:description, :inline => false)
               ]
               scope :visible, lambda {|*args|
                 user = args.shift || User.current
                 base = Project.allowed_to_condition(user, :view_issues, *args)
                 user_id = user.logged? ? user.id : 0
                 includes(:project).where("(#{table_name}.project_id IS NULL OR (#{base})) AND (#{table_name}.is_public = ? OR #{table_name}.user_id = ?)", true, user_id)
               }
               def initialize(attributes=nil, *args)
                 super attributes
                 self.filters ||= { 'status_id' => {:operator => "o", :values => [""]} }
               end
               # Returns true if the query is visible to +user+ or the current user.
               def visible?(user=User.current)
                 (project.nil? || user.allowed_to?(:view_issues, project)) && (self.is_public? || self.user_id == user.id)
               end
               def available_filters
                 return @available_filters if @available_filters
                 @available_filters = {
                   "status_id" => {
                     :type => :list_status, :order => 0,
                     :values => IssueStatus.sorted.all.collect{|s| [s.name, s.id.to_s] }
                    },
                   "tracker_id" => {
                     :type => :list, :order => 2, :values => trackers.collect{|s| [s.name, s.id.to_s] }
                    },
                   "priority_id" => {
                     :type => :list, :order => 3, :values => IssuePriority.all.collect{|s| [s.name, s.id.to_s] }
                    },
                   "subject" => { :type => :text, :order => 8 },
                   "created_on" => { :type => :date_past, :order => 9 },
                   "updated_on" => { :type => :date_past, :order => 10 },
                   "start_date" => { :type => :date, :order => 11 },
                   "due_date" => { :type => :date, :order => 12 },
                   "estimated_hours" => { :type => :float, :order => 13 },
                   "done_ratio" =>  { :type => :integer, :order => 14 }
                 }
                 IssueRelation::TYPES.each do |relation_type, options|
                   @available_filters[relation_type] = {
                     :type => :relation, :order => @available_filters.size + 100,
                     :label => options[:name]
                   }
                 end
                 principals = []
                 if project
                   principals += project.principals.sort
                   unless project.leaf?
                     subprojects = project.descendants.visible.all
                     if subprojects.any?
                       @available_filters["subproject_id"] = {
                         :type => :list_subprojects, :order => 13,
                         :values => subprojects.collect{|s| [s.name, s.id.to_s] }
                       }
                       principals += Principal.member_of(subprojects)
                     end
                   end
                 else
                   if all_projects.any?
                     # members of visible projects
                     principals += Principal.member_of(all_projects)
                     # project filter
                     project_values = []
                     if User.current.logged? && User.current.memberships.any?
                       project_values << ["<< #{l(:label_my_projects).downcase} >>", "mine"]
                     end
                     project_values += all_projects_values
                     @available_filters["project_id"] = {
                       :type => :list, :order => 1, :values => project_values
                     } unless project_values.empty?
                   end
                 end
                 principals.uniq!
                 principals.sort!
                 users = principals.select {|p| p.is_a?(User)}
                 assigned_to_values = []
                 assigned_to_values << ["<< #{l(:label_me)} >>", "me"] if User.current.logged?
                 assigned_to_values += (Setting.issue_group_assignment? ?
                                           principals : users).collect{|s| [s.name, s.id.to_s] }
                 @available_filters["assigned_to_id"] = {
                   :type => :list_optional, :order => 4, :values => assigned_to_values
                 } unless assigned_to_values.empty?
                 author_values = []
                 author_values << ["<< #{l(:label_me)} >>", "me"] if User.current.logged?
                 author_values += users.collect{|s| [s.name, s.id.to_s] }
                 @available_filters["author_id"] = {
                   :type => :list, :order => 5, :values => author_values
                 } unless author_values.empty?
                 group_values = Group.all.collect {|g| [g.name, g.id.to_s] }
                 @available_filters["member_of_group"] = {
                   :type => :list_optional, :order => 6, :values => group_values
                 } unless group_values.empty?
                 role_values = Role.givable.collect {|r| [r.name, r.id.to_s] }
                 @available_filters["assigned_to_role"] = {
                   :type => :list_optional, :order => 7, :values => role_values
                 } unless role_values.empty?
                 if User.current.logged?
                   @available_filters["watcher_id"] = {
                     :type => :list, :order => 15, :values => [["<< #{l(:label_me)} >>", "me"]]
                   }
                 end
                 if project
                   # project specific filters
                   categories = project.issue_categories.all
                   unless categories.empty?
                     @available_filters["category_id"] = {
                       :type => :list_optional, :order => 6,
                       :values => categories.collect{|s| [s.name, s.id.to_s] }
                     }
                   end
                   versions = project.shared_versions.all
                   unless versions.empty?
                     @available_filters["fixed_version_id"] = {
                       :type => :list_optional, :order => 7,
                       :values => versions.sort.collect{|s| ["#{s.project.name} - #{s.name}", s.id.to_s] }
                     }
                   end
                   add_custom_fields_filters(project.all_issue_custom_fields)
                 else
                   # global filters for cross project issue list
                   system_shared_versions = Version.visible.find_all_by_sharing('system')
                   unless system_shared_versions.empty?
                     @available_filters["fixed_version_id"] = {
                       :type => :list_optional, :order => 7,
                       :values => system_shared_versions.sort.collect{|s|
                                                    ["#{s.project.name} - #{s.name}", s.id.to_s]
                                                  }
                     }
                   end
                   add_custom_fields_filters(IssueCustomField.where(:is_filter => true, :is_for_all => true).all)
                 end
                 add_associations_custom_fields_filters :project, :author, :assigned_to, :fixed_version
                 if User.current.allowed_to?(:set_issues_private, nil, :global => true) ||
                   User.current.allowed_to?(:set_own_issues_private, nil, :global => true)
                   @available_filters["is_private"] = {
                     :type => :list, :order => 16,
                     :values => [[l(:general_text_yes), "1"], [l(:general_text_no), "0"]]
                   }
                 end
                 Tracker.disabled_core_fields(trackers).each {|field|
                   @available_filters.delete field
                 }
                 @available_filters.each do |field, options|
                   options[:name] ||= l(options[:label] || "field_#{field}".gsub(/_id$/, ''))
                 end
                 @available_filters
               end
               def available_columns
                 return @available_columns if @available_columns
                 @available_columns = self.class.available_columns.dup
                 @available_columns += (project ?
                                         project.all_issue_custom_fields :
                                         IssueCustomField.all
                                        ).collect {|cf| QueryCustomFieldColumn.new(cf) }
                 if User.current.allowed_to?(:view_time_entries, project, :global => true)
                   index = nil
                   @available_columns.each_with_index {|column, i| index = i if column.name == :estimated_hours}
                   index = (index ? index + 1 : -1)
                   # insert the column after estimated_hours or at the end
                   @available_columns.insert index, QueryColumn.new(:spent_hours,
                     :sortable => "(SELECT COALESCE(SUM(hours), 0) FROM #{TimeEntry.table_name} WHERE #{TimeEntry.table_name}.issue_id = #{Issue.table_name}.id)",
                     :default_order => 'desc',
                     :caption => :label_spent_time
                   )
                 end
                 if User.current.allowed_to?(:set_issues_private, nil, :global => true) ||
                   User.current.allowed_to?(:set_own_issues_private, nil, :global => true)
                   @available_columns << QueryColumn.new(:is_private, :sortable => "#{Issue.table_name}.is_private")
                 end
                 disabled_fields = Tracker.disabled_core_fields(trackers).map {|field| field.sub(/_id$/, '')}
                 @available_columns.reject! {|column|
                   disabled_fields.include?(column.name.to_s)
                 }
                 @available_columns
               end
+              def sortable_columns
+                {'id' => "#{Issue.table_name}.id"}.merge(super)
+              end
+              def default_columns_names
+                @default_columns_names ||= begin
+                  default_columns = Setting.issue_list_default_columns.map(&:to_sym)
+                  project.present? ? default_columns : [:project] | default_columns
+                end
+              end
               # Returns the issue count
               def issue_count
                 Issue.visible.count(:include => [:status, :project], :conditions => statement)
               rescue ::ActiveRecord::StatementInvalid => e
                 raise StatementInvalid.new(e.message)
               end
               # Returns the issue count by group or nil if query is not grouped
               def issue_count_by_group
                 r = nil
                 if grouped?
                   begin
                     # Rails3 will raise an (unexpected) RecordNotFound if there's only a nil group value
                     r = Issue.visible.count(:group => group_by_statement, :include => [:status, :project], :conditions => statement)
                   rescue ActiveRecord::RecordNotFound
                     r = {nil => issue_count}
                   end
                   c = group_by_column
                   if c.is_a?(QueryCustomFieldColumn)
                     r = r.keys.inject({}) {|h, k| h[c.custom_field.cast_value(k)] = r[k]; h}
                   end
                 end
                 r
               rescue ::ActiveRecord::StatementInvalid => e
                 raise StatementInvalid.new(e.message)
               end
               # Returns the issues
               # Valid options are :order, :offset, :limit, :include, :conditions
               def issues(options={})
                 order_option = [group_by_sort_order, options[:order]].reject {|s| s.blank?}.join(',')
                 order_option = nil if order_option.blank?
                 issues = Issue.visible.where(options[:conditions]).all(
                   :include => ([:status, :project] + (options[:include] || [])).uniq,
                   :conditions => statement,
                   :order => order_option,
                   :joins => joins_for_order_statement(order_option),
                   :limit  => options[:limit],
                   :offset => options[:offset]
                 )
                 if has_column?(:spent_hours)
                   Issue.load_visible_spent_hours(issues)
                 end
                 if has_column?(:relations)
                   Issue.load_visible_relations(issues)
                 end
                 issues
               rescue ::ActiveRecord::StatementInvalid => e
                 raise StatementInvalid.new(e.message)
               end
               # Returns the issues ids
               def issue_ids(options={})
                 order_option = [group_by_sort_order, options[:order]].reject {|s| s.blank?}.join(',')
                 order_option = nil if order_option.blank?
                 Issue.visible.scoped(:conditions => options[:conditions]).scoped(:include => ([:status, :project] + (options[:include] || [])).uniq,
                                  :conditions => statement,
                                  :order => order_option,
                                  :joins => joins_for_order_statement(order_option),
                                  :limit  => options[:limit],
                                  :offset => options[:offset]).find_ids
               rescue ::ActiveRecord::StatementInvalid => e
                 raise StatementInvalid.new(e.message)
               end
               # Returns the journals
               # Valid options are :order, :offset, :limit
               def journals(options={})
                 Journal.visible.all(
                   :include => [:details, :user, {:issue => [:project, :author, :tracker, :status]}],
                   :conditions => statement,
                   :order => options[:order],
                   :limit => options[:limit],
                   :offset => options[:offset]
                 )
               rescue ::ActiveRecord::StatementInvalid => e
                 raise StatementInvalid.new(e.message)
               end
               # Returns the versions
               # Valid options are :conditions
               def versions(options={})
                 Version.visible.where(options[:conditions]).all(
                   :include => :project,
                   :conditions => project_statement
                 )
               rescue ::ActiveRecord::StatementInvalid => e
                 raise StatementInvalid.new(e.message)
               end
+              def sql_for_watcher_id_field(field, operator, value)
+                db_table = Watcher.table_name
+                "#{Issue.table_name}.id #{ operator == '=' ? 'IN' : 'NOT IN' } (SELECT #{db_table}.watchable_id FROM #{db_table} WHERE #{db_table}.watchable_type='Issue' AND " +
+                  sql_for_field(field, '=', value, db_table, 'user_id') + ')'
+              end
+              def sql_for_member_of_group_field(field, operator, value)
+                if operator == '*' # Any group
+                  groups = Group.all
+                  operator = '=' # Override the operator since we want to find by assigned_to
+                elsif operator == "!*"
+                  groups = Group.all
+                  operator = '!' # Override the operator since we want to find by assigned_to
+                else
+                  groups = Group.find_all_by_id(value)
+                end
+                groups ||= []
+                members_of_groups = groups.inject([]) {|user_ids, group|
+                  if group && group.user_ids.present?
+                    user_ids << group.user_ids
+                  end
+                  user_ids.flatten.uniq.compact
+                }.sort.collect(&:to_s)
+                '(' + sql_for_field("assigned_to_id", operator, members_of_groups, Issue.table_name, "assigned_to_id", false) + ')'
+              end
+              def sql_for_assigned_to_role_field(field, operator, value)
+                case operator
+                when "*", "!*" # Member / Not member
+                  sw = operator == "!*" ? 'NOT' : ''
+                  nl = operator == "!*" ? "#{Issue.table_name}.assigned_to_id IS NULL OR" : ''
+                  "(#{nl} #{Issue.table_name}.assigned_to_id #{sw} IN (SELECT DISTINCT #{Member.table_name}.user_id FROM #{Member.table_name}" +
+                    " WHERE #{Member.table_name}.project_id = #{Issue.table_name}.project_id))"
+                when "=", "!"
+                  role_cond = value.any? ?
+                    "#{MemberRole.table_name}.role_id IN (" + value.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + ")" :
+                    "1=0"
+                  sw = operator == "!" ? 'NOT' : ''
+                  nl = operator == "!" ? "#{Issue.table_name}.assigned_to_id IS NULL OR" : ''
+                  "(#{nl} #{Issue.table_name}.assigned_to_id #{sw} IN (SELECT DISTINCT #{Member.table_name}.user_id FROM #{Member.table_name}, #{MemberRole.table_name}" +
+                    " WHERE #{Member.table_name}.project_id = #{Issue.table_name}.project_id AND #{Member.table_name}.id = #{MemberRole.table_name}.member_id AND #{role_cond}))"
+                end
+              end
+              def sql_for_is_private_field(field, operator, value)
+                op = (operator == "=" ? 'IN' : 'NOT IN')
+                va = value.map {|v| v == '0' ? connection.quoted_false : connection.quoted_true}.uniq.join(',')
+                "#{Issue.table_name}.is_private #{op} (#{va})"
+              end
+              def sql_for_relations(field, operator, value, options={})
+                relation_options = IssueRelation::TYPES[field]
+                return relation_options unless relation_options
+                relation_type = field
+                join_column, target_join_column = "issue_from_id", "issue_to_id"
+                if relation_options[:reverse] || options[:reverse]
+                  relation_type = relation_options[:reverse] || relation_type
+                  join_column, target_join_column = target_join_column, join_column
+                end
+                sql = case operator
+                  when "*", "!*"
+                    op = (operator == "*" ? 'IN' : 'NOT IN')
+                    "#{Issue.table_name}.id #{op} (SELECT DISTINCT #{IssueRelation.table_name}.#{join_column} FROM #{IssueRelation.table_name} WHERE #{IssueRelation.table_name}.relation_type = '#{connection.quote_string(relation_type)}')"
+                  when "=", "!"
+                    op = (operator == "=" ? 'IN' : 'NOT IN')
+                    "#{Issue.table_name}.id #{op} (SELECT DISTINCT #{IssueRelation.table_name}.#{join_column} FROM #{IssueRelation.table_name} WHERE #{IssueRelation.table_name}.relation_type = '#{connection.quote_string(relation_type)}' AND #{IssueRelation.table_name}.#{target_join_column} = #{value.first.to_i})"
+                  when "=p", "=!p", "!p"
+                    op = (operator == "!p" ? 'NOT IN' : 'IN')
+                    comp = (operator == "=!p" ? '<>' : '=')
+                    "#{Issue.table_name}.id #{op} (SELECT DISTINCT #{IssueRelation.table_name}.#{join_column} FROM #{IssueRelation.table_name}, #{Issue.table_name} relissues WHERE #{IssueRelation.table_name}.relation_type = '#{connection.quote_string(relation_type)}' AND #{IssueRelation.table_name}.#{target_join_column} = relissues.id AND relissues.project_id #{comp} #{value.first.to_i})"
+                  end
+                if relation_options[:sym] == field && !options[:reverse]
+                  sqls = [sql, sql_for_relations(field, operator, value, :reverse => true)]
+                  sqls.join(["!", "!*", "!p"].include?(operator) ? " AND " : " OR ")
+                else
+                  sql
+                end
+              end
+              IssueRelation::TYPES.keys.each do |relation_type|
+                alias_method "sql_for_#{relation_type}_field".to_sym, :sql_for_relations
+              end
             end

app/models/query.rb +24 -112

             # Redmine - project management software
             # Copyright (C) 2006-2012  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.
             class QueryColumn
               attr_accessor :name, :sortable, :groupable, :default_order
               include Redmine::I18n
               def initialize(name, options={})
                 self.name = name
                 self.sortable = options[:sortable]
                 self.groupable = options[:groupable] || false
                 if groupable == true
                   self.groupable = name.to_s
                 end
                 self.default_order = options[:default_order]
                 @inline = options.key?(:inline) ? options[:inline] : true
                 @caption_key = options[:caption] || "field_#{name}"
               end
               def caption
                 l(@caption_key)
               end
               # Returns true if the column is sortable, otherwise false
               def sortable?
                 !@sortable.nil?
               end
               def sortable
                 @sortable.is_a?(Proc) ? @sortable.call : @sortable
               end
               def inline?
                 @inline
               end
-              def value(issue)
+              def value(object)
-                issue.send name
+                object.send name
               end
               def css_classes
                 name
               end
             end
             class QueryCustomFieldColumn < QueryColumn
               def initialize(custom_field)
                 self.name = "cf_#{custom_field.id}".to_sym
                 self.sortable = custom_field.order_statement || false
                 self.groupable = custom_field.group_statement || false
                 @inline = true
                 @cf = custom_field
               end
               def caption
                 @cf.name
               end
               def custom_field
                 @cf
               end
-              def value(issue)
+              def value(object)
-                cv = issue.custom_values.select {|v| v.custom_field_id == @cf.id}.collect {|v| @cf.cast_value(v.value)}
+                cv = object.custom_values.select {|v| v.custom_field_id == @cf.id}.collect {|v| @cf.cast_value(v.value)}
                 cv.size > 1 ? cv.sort {|a,b| a.to_s <=> b.to_s} : cv.first
               end
               def css_classes
                 @css_classes ||= "#{name} #{@cf.field_format}"
               end
             end
             class Query < ActiveRecord::Base
               class StatementInvalid < ::ActiveRecord::StatementInvalid
               end
               belongs_to :project
               belongs_to :user
               serialize :filters
               serialize :column_names
               serialize :sort_criteria, Array
               attr_protected :project_id, :user_id
               validates_presence_of :name
               validates_length_of :name, :maximum => 255
               validate :validate_query_filters
               class_attribute :operators
               self.operators = {
                 "="   => :label_equals,
                 "!"   => :label_not_equals,
                 "o"   => :label_open_issues,
                 "c"   => :label_closed_issues,
                 "!*"  => :label_none,
                 "*"   => :label_any,
                 ">="  => :label_greater_or_equal,
                 "<="  => :label_less_or_equal,
                 "><"  => :label_between,
                 "<t+" => :label_in_less_than,
                 ">t+" => :label_in_more_than,
                 "><t+"=> :label_in_the_next_days,
                 "t+"  => :label_in,
                 "t"   => :label_today,
                 "w"   => :label_this_week,
                 ">t-" => :label_less_than_ago,
                 "<t-" => :label_more_than_ago,
                 "><t-"=> :label_in_the_past_days,
                 "t-"  => :label_ago,
                 "~"   => :label_contains,
                 "!~"  => :label_not_contains,
                 "=p"  => :label_any_issues_in_project,
                 "=!p" => :label_any_issues_not_in_project,
                 "!p"  => :label_no_issues_in_project
               }
               class_attribute :operators_by_filter_type
               self.operators_by_filter_type = {
                 :list => [ "=", "!" ],
                 :list_status => [ "o", "=", "!", "c", "*" ],
                 :list_optional => [ "=", "!", "!*", "*" ],
                 :list_subprojects => [ "*", "!*", "=" ],
                 :date => [ "=", ">=", "<=", "><", "<t+", ">t+", "><t+", "t+", "t", "w", ">t-", "<t-", "><t-", "t-", "!*", "*" ],
                 :date_past => [ "=", ">=", "<=", "><", ">t-", "<t-", "><t-", "t-", "t", "w", "!*", "*" ],
                 :string => [ "=", "~", "!", "!~", "!*", "*" ],
                 :text => [  "~", "!~", "!*", "*" ],
                 :integer => [ "=", ">=", "<=", "><", "!*", "*" ],
                 :float => [ "=", ">=", "<=", "><", "!*", "*" ],
                 :relation => ["=", "=p", "=!p", "!p", "!*", "*"]
               }
               class_attribute :available_columns
               self.available_columns = []
+              class_attribute :queried_class
+              def queried_table_name
+                @queried_table_name ||= self.class.queried_class.table_name
+              end
               def initialize(attributes=nil, *args)
                 super attributes
                 @is_for_all = project.nil?
               end
               def validate_query_filters
                 filters.each_key do |field|
                   if values_for(field)
                     case type_for(field)
                     when :integer
                       add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && !v.match(/^[+-]?\d+$/) }
                     when :float
                       add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && !v.match(/^[+-]?\d+(\.\d*)?$/) }
                     when :date, :date_past
                       case operator_for(field)
                       when "=", ">=", "<=", "><"
                         add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && (!v.match(/^\d{4}-\d{2}-\d{2}$/) || (Date.parse(v) rescue nil).nil?) }
                       when ">t-", "<t-", "t-", ">t+", "<t+", "t+", "><t+", "><t-"
                         add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && !v.match(/^\d+$/) }
                       end
                     end
                   end
                   add_filter_error(field, :blank) unless
                       # filter requires one or more values
                       (values_for(field) and !values_for(field).first.blank?) or
                       # filter doesn't require any value
                       ["o", "c", "!*", "*", "t", "w"].include? operator_for(field)
                 end if filters
               end
               def add_filter_error(field, message)
                 m = label_for(field) + " " + l(message, :scope => 'activerecord.errors.messages')
                 errors.add(:base, m)
               end
               def editable_by?(user)
                 return false unless user
                 # Admin can edit them all and regular users can edit their private queries
                 return true if user.admin? || (!is_public && self.user_id == user.id)
                 # Members can not edit public queries that are for all project (only admin is allowed to)
                 is_public && !@is_for_all && user.allowed_to?(:manage_public_queries, project)
               end
               def trackers
                 @trackers ||= project.nil? ? Tracker.sorted.all : project.rolled_up_trackers
               end
               # Returns a hash of localized labels for all filter operators
               def self.operators_labels
                 operators.inject({}) {|h, operator| h[operator.first] = l(operator.last); h}
               end
               # Returns a representation of the available filters for JSON serialization
               def available_filters_as_json
                 json = {}
                 available_filters.each do |field, options|
                   json[field] = options.slice(:type, :name, :values).stringify_keys
                 end
                 json
               end
               def all_projects
                 @all_projects ||= Project.visible.all
               end
               def all_projects_values
                 return @all_projects_values if @all_projects_values
                 values = []
                 Project.project_tree(all_projects) do |p, level|
                   prefix = (level > 0 ? ('--' * level + ' ') : '')
                   values << ["#{prefix}#{p.name}", p.id.to_s]
                 end
                 @all_projects_values = values
               end
               def add_filter(field, operator, values)
                 # values must be an array
                 return unless values.nil? || values.is_a?(Array)
                 # check if field is defined as an available filter
                 if available_filters.has_key? field
                   filter_options = available_filters[field]
                   filters[field] = {:operator => operator, :values => (values || [''])}
                 end
               end
               def add_short_filter(field, expression)
                 return unless expression && available_filters.has_key?(field)
                 field_type = available_filters[field][:type]
                 operators_by_filter_type[field_type].sort.reverse.detect do |operator|
                   next unless expression =~ /^#{Regexp.escape(operator)}(.*)$/
                   add_filter field, operator, $1.present? ? $1.split('|') : ['']
                 end || add_filter(field, '=', expression.split('|'))
               end
               # Add multiple filters using +add_filter+
               def add_filters(fields, operators, values)
                 if fields.is_a?(Array) && operators.is_a?(Hash) && (values.nil? || values.is_a?(Hash))
                   fields.each do |field|
                     add_filter(field, operators[field], values && values[field])
                   end
                 end
               end
               def has_filter?(field)
                 filters and filters[field]
               end
               def type_for(field)
                 available_filters[field][:type] if available_filters.has_key?(field)
               end
               def operator_for(field)
                 has_filter?(field) ? filters[field][:operator] : nil
               end
               def values_for(field)
                 has_filter?(field) ? filters[field][:values] : nil
               end
               def value_for(field, index=0)
                 (values_for(field) || [])[index]
               end
               def label_for(field)
                 label = available_filters[field][:name] if available_filters.has_key?(field)
                 label ||= l("field_#{field.to_s.gsub(/_id$/, '')}", :default => field)
               end
               def self.add_available_column(column)
                 self.available_columns << (column) if column.is_a?(QueryColumn)
               end
               # Returns an array of columns that can be used to group the results
               def groupable_columns
                 available_columns.select {|c| c.groupable}
               end
               # Returns a Hash of columns and the key for sorting
               def sortable_columns
-                {'id' => "#{Issue.table_name}.id"}.merge(available_columns.inject({}) {|h, column|
+                available_columns.inject({}) {|h, column|
-                                                           h[column.name.to_s] = column.sortable
+                  h[column.name.to_s] = column.sortable
+                  h
-                                                         })
               end
               def columns
                 # preserve the column_names order
                 (has_default_columns? ? default_columns_names : column_names).collect do |name|
                    available_columns.find { |col| col.name == name }
                 end.compact
               end
               def inline_columns
                 columns.select(&:inline?)
               end
               def block_columns
                 columns.reject(&:inline?)
               end
               def available_inline_columns
                 available_columns.select(&:inline?)
               end
               def available_block_columns
                 available_columns.reject(&:inline?)
               end
               def default_columns_names
-                @default_columns_names ||= begin
+                []
-                  default_columns = Setting.issue_list_default_columns.map(&:to_sym)
-                  project.present? ? default_columns : [:project] | default_columns
-                end
               end
               def column_names=(names)
                 if names
                   names = names.select {|n| n.is_a?(Symbol) || !n.blank? }
                   names = names.collect {|n| n.is_a?(Symbol) ? n : n.to_sym }
                   # Set column_names to nil if default columns
                   if names == default_columns_names
                     names = nil
                   end
                 end
                 write_attribute(:column_names, names)
               end
               def has_column?(column)
                 column_names && column_names.include?(column.is_a?(QueryColumn) ? column.name : column)
               end
               def has_default_columns?
                 column_names.nil? || column_names.empty?
               end
               def sort_criteria=(arg)
                 c = []
                 if arg.is_a?(Hash)
                   arg = arg.keys.sort.collect {|k| arg[k]}
                 end
                 c = arg.select {|k,o| !k.to_s.blank?}.slice(0,3).collect {|k,o| [k.to_s, (o == 'desc' || o == false) ? 'desc' : 'asc']}
                 write_attribute(:sort_criteria, c)
               end
               def sort_criteria
                 read_attribute(:sort_criteria) || []
               end
               def sort_criteria_key(arg)
                 sort_criteria && sort_criteria[arg] && sort_criteria[arg].first
               end
               def sort_criteria_order(arg)
                 sort_criteria && sort_criteria[arg] && sort_criteria[arg].last
               end
               def sort_criteria_order_for(key)
                 sort_criteria.detect {|k, order| key.to_s == k}.try(:last)
               end
               # Returns the SQL sort order that should be prepended for grouping
               def group_by_sort_order
                 if grouped? && (column = group_by_column)
                   order = sort_criteria_order_for(column.name) || column.default_order
                   column.sortable.is_a?(Array) ?
                     column.sortable.collect {|s| "#{s} #{order}"}.join(',') :
                     "#{column.sortable} #{order}"
                 end
               end
               # Returns true if the query is a grouped query
               def grouped?
                 !group_by_column.nil?
               end
               def group_by_column
                 groupable_columns.detect {|c| c.groupable && c.name.to_s == group_by}
               end
               def group_by_statement
                 group_by_column.try(:groupable)
               end
               def project_statement
                 project_clauses = []
                 if project && !project.descendants.active.empty?
                   ids = [project.id]
                   if has_filter?("subproject_id")
                     case operator_for("subproject_id")
                     when '='
                       # include the selected subprojects
                       ids += values_for("subproject_id").each(&:to_i)
                     when '!*'
                       # main project only
                     else
                       # all subprojects
                       ids += project.descendants.collect(&:id)
                     end
                   elsif Setting.display_subprojects_issues?
                     ids += project.descendants.collect(&:id)
                   end
                   project_clauses << "#{Project.table_name}.id IN (%s)" % ids.join(',')
                 elsif project
                   project_clauses << "#{Project.table_name}.id = %d" % project.id
                 end
                 project_clauses.any? ? project_clauses.join(' AND ') : nil
               end
               def statement
                 # 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?
                   operator = operator_for(field)
                   # "me" value subsitution
                   if %w(assigned_to_id author_id watcher_id).include?(field)
                     if v.delete("me")
                       if User.current.logged?
                         v.push(User.current.id.to_s)
                         v += User.current.group_ids.map(&:to_s) if field == 'assigned_to_id'
                       else
                         v.push("0")
                       end
                     end
                   end
                   if field == 'project_id'
                     if v.delete('mine')
                       v += User.current.memberships.map(&:project_id).map(&:to_s)
                     end
                   end
                   if field =~ /cf_(\d+)$/
                     # custom field
                     filters_clauses << sql_for_custom_field(field, operator, v, $1)
                   elsif respond_to?("sql_for_#{field}_field")
                     # specific statement
                     filters_clauses << send("sql_for_#{field}_field", field, operator, v)
                   else
                     # regular field
-                    filters_clauses << '(' + sql_for_field(field, operator, v, Issue.table_name, field) + ')'
+                    filters_clauses << '(' + sql_for_field(field, operator, v, queried_table_name, field) + ')'
                   end
                 end if filters and valid?
                 filters_clauses << project_statement
                 filters_clauses.reject!(&:blank?)
                 filters_clauses.any? ? filters_clauses.join(' AND ') : nil
               end
-              def sql_for_watcher_id_field(field, operator, value)
-                db_table = Watcher.table_name
-                "#{Issue.table_name}.id #{ operator == '=' ? 'IN' : 'NOT IN' } (SELECT #{db_table}.watchable_id FROM #{db_table} WHERE #{db_table}.watchable_type='Issue' AND " +
-                  sql_for_field(field, '=', value, db_table, 'user_id') + ')'
-              end
-              def sql_for_member_of_group_field(field, operator, value)
-                if operator == '*' # Any group
-                  groups = Group.all
-                  operator = '=' # Override the operator since we want to find by assigned_to
-                elsif operator == "!*"
-                  groups = Group.all
-                  operator = '!' # Override the operator since we want to find by assigned_to
-                else
-                  groups = Group.find_all_by_id(value)
-                end
-                groups ||= []
-                members_of_groups = groups.inject([]) {|user_ids, group|
-                  if group && group.user_ids.present?
-                    user_ids << group.user_ids
-                  end
-                  user_ids.flatten.uniq.compact
-                }.sort.collect(&:to_s)
-                '(' + sql_for_field("assigned_to_id", operator, members_of_groups, Issue.table_name, "assigned_to_id", false) + ')'
-              end
-              def sql_for_assigned_to_role_field(field, operator, value)
-                case operator
-                when "*", "!*" # Member / Not member
-                  sw = operator == "!*" ? 'NOT' : ''
-                  nl = operator == "!*" ? "#{Issue.table_name}.assigned_to_id IS NULL OR" : ''
-                  "(#{nl} #{Issue.table_name}.assigned_to_id #{sw} IN (SELECT DISTINCT #{Member.table_name}.user_id FROM #{Member.table_name}" +
-                    " WHERE #{Member.table_name}.project_id = #{Issue.table_name}.project_id))"
-                when "=", "!"
-                  role_cond = value.any? ?
-                    "#{MemberRole.table_name}.role_id IN (" + value.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + ")" :
-                    "1=0"
-                  sw = operator == "!" ? 'NOT' : ''
-                  nl = operator == "!" ? "#{Issue.table_name}.assigned_to_id IS NULL OR" : ''
-                  "(#{nl} #{Issue.table_name}.assigned_to_id #{sw} IN (SELECT DISTINCT #{Member.table_name}.user_id FROM #{Member.table_name}, #{MemberRole.table_name}" +
-                    " WHERE #{Member.table_name}.project_id = #{Issue.table_name}.project_id AND #{Member.table_name}.id = #{MemberRole.table_name}.member_id AND #{role_cond}))"
-                end
-              end
-              def sql_for_is_private_field(field, operator, value)
-                op = (operator == "=" ? 'IN' : 'NOT IN')
-                va = value.map {|v| v == '0' ? connection.quoted_false : connection.quoted_true}.uniq.join(',')
-                "#{Issue.table_name}.is_private #{op} (#{va})"
-              end
-              def sql_for_relations(field, operator, value, options={})
-                relation_options = IssueRelation::TYPES[field]
-                return relation_options unless relation_options
-                relation_type = field
-                join_column, target_join_column = "issue_from_id", "issue_to_id"
-                if relation_options[:reverse] || options[:reverse]
-                  relation_type = relation_options[:reverse] || relation_type
-                  join_column, target_join_column = target_join_column, join_column
-                end
-                sql = case operator
-                  when "*", "!*"
-                    op = (operator == "*" ? 'IN' : 'NOT IN')
-                    "#{Issue.table_name}.id #{op} (SELECT DISTINCT #{IssueRelation.table_name}.#{join_column} FROM #{IssueRelation.table_name} WHERE #{IssueRelation.table_name}.relation_type = '#{connection.quote_string(relation_type)}')"
-                  when "=", "!"
-                    op = (operator == "=" ? 'IN' : 'NOT IN')
-                    "#{Issue.table_name}.id #{op} (SELECT DISTINCT #{IssueRelation.table_name}.#{join_column} FROM #{IssueRelation.table_name} WHERE #{IssueRelation.table_name}.relation_type = '#{connection.quote_string(relation_type)}' AND #{IssueRelation.table_name}.#{target_join_column} = #{value.first.to_i})"
-                  when "=p", "=!p", "!p"
-                    op = (operator == "!p" ? 'NOT IN' : 'IN')
-                    comp = (operator == "=!p" ? '<>' : '=')
-                    "#{Issue.table_name}.id #{op} (SELECT DISTINCT #{IssueRelation.table_name}.#{join_column} FROM #{IssueRelation.table_name}, #{Issue.table_name} relissues WHERE #{IssueRelation.table_name}.relation_type = '#{connection.quote_string(relation_type)}' AND #{IssueRelation.table_name}.#{target_join_column} = relissues.id AND relissues.project_id #{comp} #{value.first.to_i})"
-                  end
-                if relation_options[:sym] == field && !options[:reverse]
-                  sqls = [sql, sql_for_relations(field, operator, value, :reverse => true)]
-                  sqls.join(["!", "!*", "!p"].include?(operator) ? " AND " : " OR ")
-                else
-                  sql
-                end
-              end
-              IssueRelation::TYPES.keys.each do |relation_type|
-                alias_method "sql_for_#{relation_type}_field".to_sym, :sql_for_relations
-              end
               private
               def sql_for_custom_field(field, operator, value, custom_field_id)
                 db_table = CustomValue.table_name
                 db_field = 'value'
                 filter = @available_filters[field]
                 return nil unless filter
                 if filter[:format] == 'user'
                   if value.delete('me')
                     value.push User.current.id.to_s
                   end
                 end
                 not_in = nil
                 if operator == '!'
                   # Makes ! operator work for custom fields with multiple values
                   operator = '='
                   not_in = 'NOT'
                 end
                 customized_key = "id"
-                customized_class = Issue
+                customized_class = queried_class
                 if field =~ /^(.+)\.cf_/
                   assoc = $1
                   customized_key = "#{assoc}_id"
-                  customized_class = Issue.reflect_on_association(assoc.to_sym).klass.base_class rescue nil
+                  customized_class = queried_class.reflect_on_association(assoc.to_sym).klass.base_class rescue nil
-                  raise "Unknown Issue association #{assoc}" unless customized_class
+                  raise "Unknown #{queried_class.name} association #{assoc}" unless customized_class
                 end
-                "#{Issue.table_name}.#{customized_key} #{not_in} IN (SELECT #{customized_class.table_name}.id FROM #{customized_class.table_name} LEFT OUTER JOIN #{db_table} ON #{db_table}.customized_type='#{customized_class}' AND #{db_table}.customized_id=#{customized_class.table_name}.id AND #{db_table}.custom_field_id=#{custom_field_id} WHERE " +
+                "#{queried_table_name}.#{customized_key} #{not_in} IN (SELECT #{customized_class.table_name}.id FROM #{customized_class.table_name} LEFT OUTER JOIN #{db_table} ON #{db_table}.customized_type='#{customized_class}' AND #{db_table}.customized_id=#{customized_class.table_name}.id AND #{db_table}.custom_field_id=#{custom_field_id} WHERE " +
                   sql_for_field(field, operator, value, db_table, db_field, true) + ')'
               end
               # Helper method to generate the WHERE sql for a +field+, +operator+ and a +value+
               def sql_for_field(field, operator, value, db_table, db_field, is_custom_filter=false)
                 sql = ''
                 case operator
                 when "="
                   if value.any?
                     case type_for(field)
                     when :date, :date_past
                       sql = date_clause(db_table, db_field, (Date.parse(value.first) rescue nil), (Date.parse(value.first) rescue nil))
                     when :integer
                       if is_custom_filter
                         sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) = #{value.first.to_i})"
                       else
                         sql = "#{db_table}.#{db_field} = #{value.first.to_i}"
                       end
                     when :float
                       if is_custom_filter
                         sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) BETWEEN #{value.first.to_f - 1e-5} AND #{value.first.to_f + 1e-5})"
                       else
                         sql = "#{db_table}.#{db_field} BETWEEN #{value.first.to_f - 1e-5} AND #{value.first.to_f + 1e-5}"
                       end
                     else
                       sql = "#{db_table}.#{db_field} IN (" + value.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + ")"
                     end
                   else
                     # IN an empty set
                     sql = "1=0"
                   end
                 when "!"
                   if value.any?
                     sql = "(#{db_table}.#{db_field} IS NULL OR #{db_table}.#{db_field} NOT IN (" + value.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + "))"
                   else
                     # NOT IN an empty set
                     sql = "1=1"
                   end
                 when "!*"
                   sql = "#{db_table}.#{db_field} IS NULL"
                   sql << " OR #{db_table}.#{db_field} = ''" if is_custom_filter
                 when "*"
                   sql = "#{db_table}.#{db_field} IS NOT NULL"
                   sql << " AND #{db_table}.#{db_field} <> ''" if is_custom_filter
                 when ">="
                   if [:date, :date_past].include?(type_for(field))
                     sql = date_clause(db_table, db_field, (Date.parse(value.first) rescue nil), nil)
                   else
                     if is_custom_filter
                       sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) >= #{value.first.to_f})"
                     else
                       sql = "#{db_table}.#{db_field} >= #{value.first.to_f}"
                     end
                   end
                 when "<="
                   if [:date, :date_past].include?(type_for(field))
                     sql = date_clause(db_table, db_field, nil, (Date.parse(value.first) rescue nil))
                   else
                     if is_custom_filter
                       sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) <= #{value.first.to_f})"
                     else
                       sql = "#{db_table}.#{db_field} <= #{value.first.to_f}"
                     end
                   end
                 when "><"
                   if [:date, :date_past].include?(type_for(field))
                     sql = date_clause(db_table, db_field, (Date.parse(value[0]) rescue nil), (Date.parse(value[1]) rescue nil))
                   else
                     if is_custom_filter
                       sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) BETWEEN #{value[0].to_f} AND #{value[1].to_f})"
                     else
                       sql = "#{db_table}.#{db_field} BETWEEN #{value[0].to_f} AND #{value[1].to_f}"
                     end
                   end
                 when "o"
-                  sql = "#{Issue.table_name}.status_id IN (SELECT id FROM #{IssueStatus.table_name} WHERE is_closed=#{connection.quoted_false})" if field == "status_id"
+                  sql = "#{queried_table_name}.status_id IN (SELECT id FROM #{IssueStatus.table_name} WHERE is_closed=#{connection.quoted_false})" if field == "status_id"
                 when "c"
-                  sql = "#{Issue.table_name}.status_id IN (SELECT id FROM #{IssueStatus.table_name} WHERE is_closed=#{connection.quoted_true})" if field == "status_id"
+                  sql = "#{queried_table_name}.status_id IN (SELECT id FROM #{IssueStatus.table_name} WHERE is_closed=#{connection.quoted_true})" if field == "status_id"
                 when "><t-"
                   # between today - n days and today
                   sql = relative_date_clause(db_table, db_field, - value.first.to_i, 0)
                 when ">t-"
                   # >= today - n days
                   sql = relative_date_clause(db_table, db_field, - value.first.to_i, nil)
                 when "<t-"
                   # <= today - n days
                   sql = relative_date_clause(db_table, db_field, nil, - value.first.to_i)
                 when "t-"
                   # = n days in past
                   sql = relative_date_clause(db_table, db_field, - value.first.to_i, - value.first.to_i)
                 when "><t+"
                   # between today and today + n days
                   sql = relative_date_clause(db_table, db_field, 0, value.first.to_i)
                 when ">t+"
                   # >= today + n days
                   sql = relative_date_clause(db_table, db_field, value.first.to_i, nil)
                 when "<t+"
                   # <= today + n days
                   sql = relative_date_clause(db_table, db_field, nil, value.first.to_i)
                 when "t+"
                   # = today + n days
                   sql = relative_date_clause(db_table, db_field, value.first.to_i, value.first.to_i)
                 when "t"
                   # = today
                   sql = relative_date_clause(db_table, db_field, 0, 0)
                 when "w"
                   # = this week
                   first_day_of_week = l(:general_first_day_of_week).to_i
                   day_of_week = Date.today.cwday
                   days_ago = (day_of_week >= first_day_of_week ? day_of_week - first_day_of_week : day_of_week + 7 - first_day_of_week)
                   sql = relative_date_clause(db_table, db_field, - days_ago, - days_ago + 6)
                 when "~"
                   sql = "LOWER(#{db_table}.#{db_field}) LIKE '%#{connection.quote_string(value.first.to_s.downcase)}%'"
                 when "!~"
                   sql = "LOWER(#{db_table}.#{db_field}) NOT LIKE '%#{connection.quote_string(value.first.to_s.downcase)}%'"
                 else
                   raise "Unknown query operator #{operator}"
                 end
                 return sql
               end
               def add_custom_fields_filters(custom_fields, assoc=nil)
                 return unless custom_fields.present?
                 @available_filters ||= {}
                 custom_fields.select(&:is_filter?).each do |field|
                   case field.field_format
                   when "text"
                     options = { :type => :text, :order => 20 }
                   when "list"
                     options = { :type => :list_optional, :values => field.possible_values, :order => 20}
                   when "date"
                     options = { :type => :date, :order => 20 }
                   when "bool"
                     options = { :type => :list, :values => [[l(:general_text_yes), "1"], [l(:general_text_no), "0"]], :order => 20 }
                   when "int"
                     options = { :type => :integer, :order => 20 }
                   when "float"
                     options = { :type => :float, :order => 20 }
                   when "user", "version"
                     next unless project
                     values = field.possible_values_options(project)
                     if User.current.logged? && field.field_format == 'user'
                       values.unshift ["<< #{l(:label_me)} >>", "me"]
                     end
                     options = { :type => :list_optional, :values => values, :order => 20}
                   else
                     options = { :type => :string, :order => 20 }
                   end
                   filter_id = "cf_#{field.id}"
                   filter_name = field.name
                   if assoc.present?
                     filter_id = "#{assoc}.#{filter_id}"
                     filter_name = l("label_attribute_of_#{assoc}", :name => filter_name)
                   end
                   @available_filters[filter_id] = options.merge({
                            :name => filter_name,
                            :format => field.field_format,
                            :field => field
                          })
                 end
               end
               def add_associations_custom_fields_filters(*associations)
                 fields_by_class = CustomField.where(:is_filter => true).group_by(&:class)
                 associations.each do |assoc|
-                  association_klass = Issue.reflect_on_association(assoc).klass
+                  association_klass = queried_class.reflect_on_association(assoc).klass
                   fields_by_class.each do |field_class, fields|
                     if field_class.customized_class <= association_klass
                       add_custom_fields_filters(fields, assoc)
                     end
                   end
                 end
               end
               # Returns a SQL clause for a date or datetime field.
               def date_clause(table, field, from, to)
                 s = []
                 if from
                   from_yesterday = from - 1
                   from_yesterday_time = Time.local(from_yesterday.year, from_yesterday.month, from_yesterday.day)
                   if self.class.default_timezone == :utc
                     from_yesterday_time = from_yesterday_time.utc
                   end
                   s << ("#{table}.#{field} > '%s'" % [connection.quoted_date(from_yesterday_time.end_of_day)])
                 end
                 if to
                   to_time = Time.local(to.year, to.month, to.day)
                   if self.class.default_timezone == :utc
                     to_time = to_time.utc
                   end
                   s << ("#{table}.#{field} <= '%s'" % [connection.quoted_date(to_time.end_of_day)])
                 end
                 s.join(' AND ')
               end
               # Returns a SQL clause for a date or datetime field using relative dates.
               def relative_date_clause(table, field, days_from, days_to)
                 date_clause(table, field, (days_from ? Date.today + days_from : nil), (days_to ? Date.today + days_to : nil))
               end
               # Additional joins required for the given sort options
               def joins_for_order_statement(order_options)
                 joins = []
                 if order_options
                   if order_options.include?('authors')
-                    joins << "LEFT OUTER JOIN #{User.table_name} authors ON authors.id = #{Issue.table_name}.author_id"
+                    joins << "LEFT OUTER JOIN #{User.table_name} authors ON authors.id = #{queried_table_name}.author_id"
                   end
                   order_options.scan(/cf_\d+/).uniq.each do |name|
                     column = available_columns.detect {|c| c.name.to_s == name}
                     join = column && column.custom_field.join_for_order_statement
                     if join
                       joins << join
                     end
                   end
                 end
                 joins.any? ? joins.join(' ') : nil
               end
             end

General Comments 0

Write
Preview

You need to be logged in to leave comments. Login now

No TODOs yet

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages