From 51a4f5d3fc67e445cbe72fc24780586534dce8e3 Mon Sep 17 00:00:00 2001
From: RShakes <50854578+AWildRShakes@users.noreply.github.com>
Date: Tue, 31 Mar 2026 13:08:48 +0200
Subject: [PATCH] Added @IndexTypes parameter to dbo.IndexOptimize

This change allows you to pass an @IndexTypes parameter to Ola Hallengren's dbo.IndexOptimize stored procedure to specifically target, ALL, CLUSTERED, or NONCLUSTERED indexes.
---
 IndexOptimize.sql | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/IndexOptimize.sql b/IndexOptimize.sql
index 09e0e61..319bd86 100644
--- a/IndexOptimize.sql
+++ b/IndexOptimize.sql
@@ -31,6 +31,7 @@ ALTER PROCEDURE [dbo].[IndexOptimize]
 @PartitionLevel nvarchar(max) = 'Y',
 @MSShippedObjects nvarchar(max) = 'N',
 @Indexes nvarchar(max) = NULL,
+@IndexTypes nvarchar(max) = 'ALL',  -- ALL, CLUSTERED, NONCLUSTERED
 @TimeLimit int = NULL,
 @Delay int = NULL,
 @WaitAtLowPriorityMaxDuration int = NULL,
@@ -54,7 +55,7 @@ BEGIN
   --// Source:  https://ola.hallengren.com                                                        //--
   --// License: https://ola.hallengren.com/license.html                                           //--
   --// GitHub:  https://github.com/olahallengren/sql-server-maintenance-solution                  //--
-  --// Version: 2025-12-20 18:52:13                                                               //--
+  --// Version: 2026-03-31 05:54:40                                                               //--
   ----------------------------------------------------------------------------------------------------
 
   SET NOCOUNT ON
@@ -304,6 +305,7 @@ BEGIN
   SET @Parameters += ', @PartitionLevel = ' + ISNULL('''' + REPLACE(@PartitionLevel,'''','''''') + '''','NULL')
   SET @Parameters += ', @MSShippedObjects = ' + ISNULL('''' + REPLACE(@MSShippedObjects,'''','''''') + '''','NULL')
   SET @Parameters += ', @Indexes = ' + ISNULL('''' + REPLACE(@Indexes,'''','''''') + '''','NULL')
+  SET @Parameters += ', @IndexTypes = ' + ISNULL('''' + REPLACE(@IndexTypes,'''','''''') + '''','NULL')
   SET @Parameters += ', @TimeLimit = ' + ISNULL(CAST(@TimeLimit AS nvarchar),'NULL')
   SET @Parameters += ', @Delay = ' + ISNULL(CAST(@Delay AS nvarchar),'NULL')
   SET @Parameters += ', @WaitAtLowPriorityMaxDuration = ' + ISNULL(CAST(@WaitAtLowPriorityMaxDuration AS nvarchar),'NULL')
@@ -978,6 +980,14 @@ BEGIN
 
   ----------------------------------------------------------------------------------------------------
 
+  IF @IndexTypes NOT IN ('ALL', 'CLUSTERED', 'NONCLUSTERED') OR @IndexTypes IS NULL
+    BEGIN
+      INSERT INTO @Errors ([Message], Severity, [State])
+      SELECT 'The value for the parameter @IndexTypes is not supported.', 16, 1
+    END
+
+  ----------------------------------------------------------------------------------------------------
+
   IF @TimeLimit < 0
   BEGIN
     INSERT INTO @Errors ([Message], Severity, [State])
@@ -1608,7 +1618,11 @@ BEGIN
 
           SET @CurrentCommand = @CurrentCommand + ' WHERE objects.[type] IN(''U'',''V'')'
                                                     + CASE WHEN @MSShippedObjects = 'N' THEN ' AND objects.is_ms_shipped = 0' ELSE '' END
-                                                    + ' AND indexes.[type] IN(1,2,3,4,5,6,7)'
+                                                    + ' AND indexes.[type] IN(' + CASE
+                                                            WHEN @IndexTypes = 'CLUSTERED'    THEN '1,5'
+                                                            WHEN @IndexTypes = 'NONCLUSTERED' THEN '2,3,4,6,7'
+                                                            ELSE '1,2,3,4,5,6,7'
+                                                          END + ')'
                                                     + ' AND indexes.is_disabled = 0 AND indexes.is_hypothetical = 0'
         END
 
@@ -2501,4 +2515,3 @@ BEGIN
 END
 
 GO
-