1 files changed, 28 insertions, 0 deletions
diff --git a/lib/arel/relations/insertion.rb b/lib/arel/relations/insertion.rb
new file mode 100644
index 0000000000..37e7be8757
--- /dev/null
+++ b/lib/arel/relations/insertion.rb
@@ -0,0 +1,28 @@
+module Arel
+  class Insertion < Writing
+    attr_reader :record
+
+    def initialize(relation, record)
+      @relation, @record = relation, record.bind(relation)
+    end
+
+    def to_sql(formatter = nil)
+      [
+        "INSERT",
+        "INTO #{table_sql}",
+        "(#{record.keys.collect(&:to_sql).join(', ')})",
+        "VALUES (#{record.collect { |key, value| key.format(value) }.join(', ')})"
+      ].join("\n")
+    end
+    
+    def call(connection = engine.connection)
+      connection.insert(to_sql)
+    end
+    
+    def ==(other)
+      self.class  == other.class    and
+      relation    == other.relation and
+      record      == other.record
+    end
+  end
+end
+\ No newline at end of file