Update limitation

Signed-off-by: Andy Kwok <[email protected]>
opensearch-project · Dec 20, 2024 · 03b2ba8 · 03b2ba8
1 parent f2d54e5
commit 03b2ba8
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/docs/ppl-lang/ppl-appendcol-command.md b/docs/ppl-lang/ppl-appendcol-command.md
@@ -77,3 +77,7 @@ PPL query:
     | Jane | Marketing   | NULL             |  
     | Jeff | Marketing   | NULL             |
     +------+-------------+------------------+
+
+### Limitation: 
+When override is set to true, only `FIELDS` and `STATS` commands are allowed as the final clause in a sub-search. 
+Otherwise, an IllegalStateException with the message `Not Supported operation: APPENDCOL should specify the output fields` will be thrown.