[SDBM-1534] Modify sqlserver index usage stats query (#19807)

* track op time

* log

* remove log, update query

* remove track operation time

* trim whitespace

* changelog

Author: databergs

sqlserver/changelog.d/19807.changed

@@ -0,0 +1 @@
+Optimize sqlserver index usage stats query

sqlserver/datadog_checks/sqlserver/database_metrics/index_usage_metrics.py

@@ -12,22 +12,22 @@
     "name": "sys.dm_db_index_usage_stats",
     "query": """
     SELECT
-         DB_NAME(ixus.database_id) as db,
-         CASE
-            WHEN ind.name IS NULL THEN 'HeapIndex_' + OBJECT_NAME(ind.object_id)
-            ELSE ind.name
-         END AS index_name,
-         OBJECT_SCHEMA_NAME(ind.object_id, ixus.database_id) as "schema",
-         OBJECT_NAME(ind.object_id) as table_name,
-        user_seeks,
-        user_scans,
-        user_lookups,
-        user_updates
+        DB_NAME(ixus.database_id) AS db,
+        COALESCE(ind.name, 'HeapIndex_' + OBJECT_NAME(ind.object_id)) AS index_name,
+        OBJECT_SCHEMA_NAME(ind.object_id, ixus.database_id) AS "schema",
+        OBJECT_NAME(ind.object_id) AS table_name,
+        ixus.user_seeks as user_seeks,
+        ixus.user_scans as user_scans,
+        ixus.user_lookups as user_lookups,
+        ixus.user_updates as user_updates
     FROM sys.indexes ind
-             INNER JOIN sys.dm_db_index_usage_stats ixus
-             ON ixus.index_id = ind.index_id AND ixus.object_id = ind.object_id
-    WHERE OBJECTPROPERTY(ind.object_id, 'IsUserTable') = 1 AND DB_NAME(ixus.database_id) = db_name()
-    GROUP BY ixus.database_id, ind.object_id, ind.name, user_seeks, user_scans, user_lookups, user_updates
+    JOIN sys.dm_db_index_usage_stats ixus
+        ON ixus.index_id = ind.index_id
+        AND ixus.object_id = ind.object_id
+        AND ixus.database_id = DB_ID()
+    JOIN sys.objects o
+        ON ind.object_id = o.object_id
+        AND o.type = 'U'
 """,
     "columns": [
         {"name": "db", "type": "tag"},