diff --git a/include/Makefile.in b/include/Makefile.in
index f799f45b59e..66d8c0d1aee 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -402,6 +402,7 @@ SRCDIR_INCLUDES = \
 	rpcndr.h \
 	rpcnterr.h \
 	rpcproxy.h \
+	rstbas.idl \
 	rstinf.idl \
 	rtutils.h \
 	scarderr.h \
diff --git a/include/oledb.idl b/include/oledb.idl
index 3ef9241b72c..a1b4643d4f0 100644
--- a/include/oledb.idl
+++ b/include/oledb.idl
@@ -42,6 +42,7 @@ typedef LONG  DB_LPARAMS;
 #include "dbs.idl"
 
 #include "access.idl"
+#include "rstbas.idl"
 #include "rstinf.idl"
 #include "cmdbas.idl"
 #include "cmdtxt.idl"
diff --git a/include/rstbas.idl b/include/rstbas.idl
new file mode 100644
index 00000000000..94d23f1ee3b
--- /dev/null
+++ b/include/rstbas.idl
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2009 Huw Davies
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+[
+    local,
+    object,
+    uuid(0c733a7c-2a1c-11ce-ade5-00aa0044773d),
+    pointer_default(unique)
+]
+interface IRowset : IUnknown
+{
+    typedef DWORD DBROWOPTIONS;
+
+    HRESULT AddRefRows([in] DBCOUNTITEM cRows,
+                       [in, size_is(cRows)] const HROW rghRows[],
+                       [out, size_is(cRows)] DBREFCOUNT rgRefCounts[],
+                       [out, size_is(cRows)] DBROWSTATUS rgRowStatus[]);
+
+    HRESULT GetData([in] HROW hRow,
+                    [in] HACCESSOR hAccessor,
+                    [out] void *pData);
+
+    HRESULT GetNextRows([in] HCHAPTER hReserved,
+                        [in] DBROWOFFSET lRowsOffset,
+                        [in] DBROWCOUNT cRows,
+                        [out] DBCOUNTITEM *pcRowObtained,
+                        [out, size_is(,cRows)] HROW **prghRows);
+
+    HRESULT ReleaseRows([in] DBCOUNTITEM cRows,
+                        [in, size_is(cRows)] const HROW rghRows[],
+                        [in, size_is(cRows)] DBROWOPTIONS rgRowOptions[],
+                        [out, size_is(cRows)] DBREFCOUNT rgRefCounts[],
+                        [out, size_is(cRows)] DBROWSTATUS rgRowStatus[]);
+
+    HRESULT RestartPosition([in] HCHAPTER hReserved);
+}
diff --git a/tools/make_makefiles b/tools/make_makefiles
index fbf3150cd73..dadb3936fed 100755
--- a/tools/make_makefiles
+++ b/tools/make_makefiles
@@ -125,6 +125,7 @@ my %private_idl_headers = (
     "devenum.idl" => 1,
     "dyngraph.idl" => 1,
     "opnrst.idl" => 1,
+    "rstbas.idl" => 1,
     "rstinf.idl" => 1,
     "sesprp.idl" => 1,
     "vmrender.idl" => 1,