diff options
Diffstat (limited to 'activerecord/lib/active_record/relation/query_methods.rb')
| -rw-r--r-- | activerecord/lib/active_record/relation/query_methods.rb | 58 |
1 files changed, 17 insertions, 41 deletions
diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index 6a33edeb97..2e0a2effc2 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -36,7 +36,7 @@ module ActiveRecord to_a.select {|*block_args| value.call(*block_args) } else relation = clone - relation.select_values += [value] + relation.select_values += Array.wrap(value) relation end end @@ -135,14 +135,13 @@ module ActiveRecord end def reverse_order - order_clause = arel.order_clauses.join(', ') - relation = except(:order) + order_clause = arel.order_clauses - order = order_clause.blank? ? + order = order_clause.empty? ? "#{@klass.table_name}.#{@klass.primary_key} DESC" : - reverse_sql_order(order_clause) + reverse_sql_order(order_clause).join(', ') - relation.order(Arel::SqlLiteral.new(order)) + except(:order).order(Arel::SqlLiteral.new(order)) end def arel @@ -150,7 +149,7 @@ module ActiveRecord end def custom_join_sql(*joins) - arel = table + arel = table.select_manager joins.each do |join| next if join.blank? @@ -158,16 +157,13 @@ module ActiveRecord @implicit_readonly = true case join - when Hash, Array, Symbol - if array_of_strings?(join) - join_string = join.join(' ') - arel = arel.join(Arel::SqlLiteral.new(join_string)) - end + when Array + join = Arel.sql(join.join(' ')) if array_of_strings?(join) when String - arel = arel.join(Arel::SqlLiteral.new(join)) - else - arel = arel.join(join) + join = Arel.sql(join) end + + arel.join(join) end arel.joins(arel) @@ -179,13 +175,8 @@ module ActiveRecord arel = build_joins(arel, @joins_values) unless @joins_values.empty? (@where_values - ['']).uniq.each do |where| - case where - when Arel::SqlLiteral - arel = arel.where(where) - else - sql = where.is_a?(String) ? where : where.to_sql - arel = arel.where(Arel::SqlLiteral.new("(#{sql})")) - end + where = Arel.sql(where) if String === where + arel = arel.where(Arel::Nodes::Grouping.new(where)) end arel = arel.having(*@having_values.uniq.reject{|h| h.blank?}) unless @having_values.empty? @@ -260,16 +251,7 @@ module ActiveRecord def build_select(arel, selects) unless selects.empty? @implicit_readonly = false - # TODO: fix this ugly hack, we should refactor the callers to get an Arel compatible array. - # Before this change we were passing to Arel the last element only, and Arel is capable of handling an array - case select = selects.last - when Arel::Expression, Arel::SqlLiteral - arel.project(select) - when /^COUNT\(/ - arel.project(Arel::SqlLiteral.new(select)) - else - arel.project(*selects) - end + arel.project(*selects) else arel.project(Arel::SqlLiteral.new(@klass.quoted_table_name + '.*')) end @@ -283,15 +265,9 @@ module ActiveRecord end def reverse_sql_order(order_query) - order_query.split(',').each { |s| - if s.match(/\s(asc|ASC)$/) - s.gsub!(/\s(asc|ASC)$/, ' DESC') - elsif s.match(/\s(desc|DESC)$/) - s.gsub!(/\s(desc|DESC)$/, ' ASC') - else - s.concat(' DESC') - end - }.join(',') + order_query.join(', ').split(',').collect do |s| + s.gsub!(/\sasc\Z/i, ' DESC') || s.gsub!(/\sdesc\Z/i, ' ASC') || s.concat(' DESC') + end end def array_of_strings?(o) |