TransportVersion for backporting ES|QL sample

Author: jan-elastic

server/src/main/java/org/elasticsearch/TransportVersions.java

@@ -201,6 +201,7 @@ static TransportVersion def(int id) {
     public static final TransportVersion ML_INFERENCE_CUSTOM_SERVICE_EMBEDDING_BATCH_SIZE_8_19 = def(8_841_0_53);
     public static final TransportVersion STREAMS_LOGS_SUPPORT_8_19 = def(8_841_0_54);
     public static final TransportVersion ML_INFERENCE_CUSTOM_SERVICE_INPUT_TYPE_8_19 = def(8_841_0_55);
+    public static final TransportVersion RANDOM_SAMPLER_QUERY_BUILDER_8_19 = def(8_841_0_56);
 
     public static final TransportVersion V_9_0_0 = def(9_000_0_09);
     public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_1 = def(9_000_0_10);

server/src/main/java/org/elasticsearch/search/aggregations/bucket/sampler/random/RandomSamplingQueryBuilder.java

@@ -146,4 +146,10 @@ public String getWriteableName() {
     public TransportVersion getMinimalSupportedVersion() {
         return TransportVersions.RANDOM_SAMPLER_QUERY_BUILDER;
     }
+
+    @Override
+    public boolean supportsVersion(TransportVersion version) {
+        return version.onOrAfter(TransportVersions.RANDOM_SAMPLER_QUERY_BUILDER)
+            || version.isPatchFrom(TransportVersions.RANDOM_SAMPLER_QUERY_BUILDER_8_19);
+    }
 }