Merge pull request #174781 from timsander1/master

indexing metrics and distinct doc updates

Author: PRMerger17

articles/cosmos-db/sql/index-metrics.md

@@ -5,7 +5,7 @@ author: timsander1
 ms.service: cosmos-db
 ms.subservice: cosmosdb-sql
 ms.topic: conceptual
-ms.date: 09/24/2021
+ms.date: 10/05/2021
 ms.author: tisande
 ---
 # Indexing metrics in Azure Cosmos DB
@@ -88,6 +88,9 @@ The potential single indexes and utilized composite indexes respectively show th
 
 Consider the list of potential indexed paths as recommendations rather than conclusive evidence that a query will use a specific indexed path. The potential indexed paths are not an exhaustive list of indexed paths that a query could use. Additionally, it's possible that some potential indexed paths won't have any impact on query performance. [Add the recommended indexed paths](how-to-manage-indexing-policy.md) and confirm that they improve query performance.
 
+> [!NOTE]
+> Do you have any feedback about the indexing metrics? We want to hear it! Feel free to share feedback directly with the Azure Cosmos DB engineering team: [email protected]
+
 ## Index impact score
 
 The index impact score is the likelihood that an indexed path, based on the query shape, has a significant impact on query performance. In other words, the index impact score is the probability that, without that specific indexed path, the query RU charge would have been substantially higher. 

articles/cosmos-db/sql/sql-query-keywords.md

@@ -5,7 +5,7 @@ author: timsander1
 ms.service: cosmos-db
 ms.subservice: cosmosdb-sql
 ms.topic: conceptual
-ms.date: 09/20/2021
+ms.date: 10/05/2021
 ms.author: tisande
 
 ---
@@ -112,7 +112,7 @@ SELECT COUNT(1) FROM (SELECT DISTINCT f.lastName FROM f)
 |Node.js SDK|Unsupported|
 |Python SDK|Unsupported|
 
-There are some additional restrictions on queries with an aggregate system function and a subquery with `DISTINCT`:
+There are some additional restrictions on queries with an aggregate system function and a subquery with `DISTINCT`. The below queries are unsupported:
 
 |**Restriction**|**Example**|
 |-------|----------------------|