Correct description in kNN search rest spec (#80313)

jtibshirani · jtibshirani · commit 45add7754179 · 2021-11-03T14:54:17.000-07:00
The `_knn_search` endpoint does not accept an empty `index` parameter. Follow-up to #79013.
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/knn_search.json b/rest-api-spec/src/main/resources/rest-api-spec/api/knn_search.json
@@ -21,7 +21,7 @@
           "parts":{
             "index":{
               "type":"list",
-              "description":"A comma-separated list of index names to search; use `_all` or empty string to perform the operation on all indices"
+              "description":"A comma-separated list of index names to search; use `_all` to perform the operation on all indices"
             }
           }
         }

Original file line number	Diff line number	Diff line change
`@@ -21,7 +21,7 @@`
`21`	`21`	`"parts":{`
`22`	`22`	`"index":{`
`23`	`23`	`"type":"list",`
`24`		- "description":"A comma-separated list of index names to search; use `_all` or empty string to perform the operation on all indices"
	`24`	+ "description":"A comma-separated list of index names to search; use `_all` to perform the operation on all indices"
`25`	`25`	`}`
`26`	`26`	`}`
`27`	`27`	`}`