Update Arel usage for rails/arel#98fc259

`where_sql` now requires that we pass it an engine. None of the manager
classes take an engine in their constructor.

activerecord/lib/active_record/associations/has_many_through_association.rb

@@ -165,7 +165,7 @@ module ActiveRecord
 
               arel = scope.arel
 
-              stmt = Arel::DeleteManager.new arel.engine
+              stmt = Arel::DeleteManager.new
               stmt.from scope.klass.arel_table
               stmt.wheres = arel.constraints
 

activerecord/lib/active_record/relation.rb

@@ -327,7 +327,7 @@ module ActiveRecord
     def update_all(updates)
       raise ArgumentError, "Empty list of attributes to change" if updates.blank?
 
-      stmt = Arel::UpdateManager.new(arel.engine)
+      stmt = Arel::UpdateManager.new
 
       stmt.set Arel.sql(@klass.send(:sanitize_sql_for_assignment, updates))
       stmt.table(table)
@@ -465,7 +465,7 @@ module ActiveRecord
       if conditions
         where(conditions).delete_all
       else
-        stmt = Arel::DeleteManager.new(arel.engine)
+        stmt = Arel::DeleteManager.new
         stmt.from(table)
 
         if joins_values.any?

activerecord/lib/active_record/relation/finder_methods.rb

@@ -108,7 +108,7 @@ module ActiveRecord
     # Same as +take+ but raises <tt>ActiveRecord::RecordNotFound</tt> if no record
     # is found. Note that <tt>take!</tt> accepts no arguments.
     def take!
-      take or raise RecordNotFound.new("Couldn't find #{@klass.name} with [#{arel.where_sql}]")
+      take or raise RecordNotFound.new("Couldn't find #{@klass.name} with [#{arel.where_sql(@klass.arel_engine)}]")
     end
 
     # Find the first record (or first N records if a parameter is supplied).
@@ -176,7 +176,7 @@ module ActiveRecord
     # Same as +last+ but raises <tt>ActiveRecord::RecordNotFound</tt> if no record
     # is found. Note that <tt>last!</tt> accepts no arguments.
     def last!
-      last or raise RecordNotFound.new("Couldn't find #{@klass.name} with [#{arel.where_sql}]")
+      last or raise RecordNotFound.new("Couldn't find #{@klass.name} with [#{arel.where_sql(@klass.arel_engine)}]")
     end
 
     # Find the second record.
@@ -323,7 +323,7 @@ module ActiveRecord
     # the expected number of results should be provided in the +expected_size+
     # argument.
     def raise_record_not_found_exception!(ids, result_size, expected_size) #:nodoc:
-      conditions = arel.where_sql
+      conditions = arel.where_sql(@klass.arel_engine)
       conditions = " [#{conditions}]" if conditions
 
       if Array(ids).size == 1
@@ -498,7 +498,7 @@ module ActiveRecord
     end
 
     def find_nth!(index)
-      find_nth(index, offset_index) or raise RecordNotFound.new("Couldn't find #{@klass.name} with [#{arel.where_sql}]")
+      find_nth(index, offset_index) or raise RecordNotFound.new("Couldn't find #{@klass.name} with [#{arel.where_sql(@klass.arel_engine)}]")
     end
 
     def find_nth_with_limit(offset, limit)

activerecord/lib/active_record/relation/query_methods.rb

@@ -858,7 +858,7 @@ module ActiveRecord
     private
 
     def build_arel
-      arel = Arel::SelectManager.new(klass.arel_engine, table)
+      arel = Arel::SelectManager.new(table)
 
       build_joins(arel, joins_values.flatten) unless joins_values.empty?