adding create_insert method

3 files changed, 12 insertions, 1 deletions

diff --git a/History.txt b/History.txt
index a5f630b021..9c0d3198a1 100644
--- a/History.txt
+++ b/History.txt
@@ -9,6 +9,7 @@
   * Add Arel::SelectManager#limit=
   * Add Arel::SelectManager#offset
   * Add Arel::SelectManager#offset=
+  * Added Arel::SelectManager#create_insert for building an insert manager.
   * Math operations have been added to attributes, thanks to
     Vladimir Meremyanin.
 
diff --git a/lib/arel/crud.rb b/lib/arel/crud.rb
index bedfb8c30c..43805dd464 100644
--- a/lib/arel/crud.rb
+++ b/lib/arel/crud.rb
@@ -32,11 +32,15 @@ switch to `compile_update`
     end
 
     def compile_insert values
-      im = InsertManager.new @engine
+      im = create_insert
       im.insert values
       im
     end
 
+    def create_insert
+      InsertManager.new @engine
+    end
+
     # FIXME: this method should go away
     def insert values
       if $VERBOSE
diff --git a/test/test_select_manager.rb b/test/test_select_manager.rb
index 410fe38e2a..3eec73a1f0 100644
--- a/test/test_select_manager.rb
+++ b/test/test_select_manager.rb
@@ -483,6 +483,12 @@ module Arel
       assert_equal children, clause.children
     end
 
+    it 'should create insert managers' do
+      relation = Arel::SelectManager.new Table.engine
+      insert = relation.create_insert
+      assert_kind_of Arel::InsertManager, insert
+    end
+
     it 'should create join nodes' do
       relation = Arel::SelectManager.new Table.engine
       join = relation.create_join 'foo', 'bar'