Update user manual

Signed-off-by: Chen Dai <daichen@amazon.com>
opensearch-project · Nov 10, 2023 · a7c2164 · a7c2164
1 parent 201cb09
commit a7c2164
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/docs/index.md b/docs/index.md
@@ -118,6 +118,8 @@ High level API is dependent on query engine implementation. Please see Query Eng
 
 #### Skipping Index
 
+Note that the filtering condition must be conjunction with only partitioned column involved.
+
 ```sql
 CREATE SKIPPING INDEX [IF NOT EXISTS]
 ON <object>
@@ -158,6 +160,8 @@ DROP SKIPPING INDEX ON alb_logs
 
 #### Covering Index
 
+Note that the filtering condition must be conjunction.
+
 ```sql
 CREATE INDEX [IF NOT EXISTS] name ON <object>
 ( column [, ...] )