Bugfixes

Author: julian-elastic

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/action/EsqlCapabilities.java

@@ -1281,6 +1281,10 @@ public enum Cap {
          */
         COSINE_VECTOR_SIMILARITY_FUNCTION(Build.current().isSnapshot()),
 
+        /**
+         * Support for lookup join on multiple indices.
+         */
+        LOOKUP_JOIN_ON_MULTIPLE_INDICES,
         /**
          * Support for the options field of CATEGORIZE.
          */

x-pack/plugin/src/yamlRestTest/resources/rest-api-spec/test/esql/190_lookup_join.yml

@@ -279,6 +279,13 @@ lookup-no-key:
 
 ---
 basic join on two columns:
+  - requires:
+      capabilities:
+        - method: POST
+          path: /_query
+          parameters: [ ]
+          capabilities: [ lookup_join_on_multiple_indices ]
+      reason: "uses LOOKUP JOIN on two columns"
   - do:
       esql.query:
         body: