[9.1] Bootstrap initial versions to simplify transport version migration (#134084)

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

@@ -130,6 +130,7 @@ static TransportVersion def(int id) {
     public static final TransportVersion ESQL_SKIP_ES_INDEX_SERIALIZATION = def(8_827_0_00);
     public static final TransportVersion ADD_INDEX_BLOCK_TWO_PHASE = def(8_828_0_00);
     public static final TransportVersion RESOLVE_CLUSTER_NO_INDEX_EXPRESSION = def(8_829_0_00);
+    public static final TransportVersion ML_ROLLOVER_LEGACY_INDICES = def(8_830_0_00);
     public static final TransportVersion ADD_INCLUDE_FAILURE_INDICES_OPTION = def(8_831_0_00);
     public static final TransportVersion ESQL_RESPONSE_PARTIAL = def(8_832_0_00);
     public static final TransportVersion RANK_DOC_OPTIONAL_METADATA_FOR_EXPLAIN = def(8_833_0_00);
@@ -146,7 +147,6 @@ static TransportVersion def(int id) {
     public static final TransportVersion INITIAL_ELASTICSEARCH_8_18_2 = def(8_840_0_04);
     public static final TransportVersion INITIAL_ELASTICSEARCH_8_18_3 = def(8_840_0_05);
     public static final TransportVersion INITIAL_ELASTICSEARCH_8_18_4 = def(8_840_0_06);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_8_18_6 = def(8_840_0_08);
     public static final TransportVersion INITIAL_ELASTICSEARCH_8_18_7 = def(8_840_0_09);
     public static final TransportVersion INITIAL_ELASTICSEARCH_8_19 = def(8_841_0_00);
     public static final TransportVersion COHERE_BIT_EMBEDDING_TYPE_SUPPORT_ADDED_BACKPORT_8_X = def(8_841_0_01);
@@ -210,17 +210,16 @@ static TransportVersion def(int id) {
     public static final TransportVersion ML_INFERENCE_COHERE_API_VERSION_8_19 = def(8_841_0_60);
     public static final TransportVersion ESQL_DOCUMENTS_FOUND_AND_VALUES_LOADED_8_19 = def(8_841_0_61);
     public static final TransportVersion ESQL_PROFILE_INCLUDE_PLAN_8_19 = def(8_841_0_62);
+    public static final TransportVersion ESQL_SPLIT_ON_BIG_VALUES_8_19 = def(8_841_0_63);
     public static final TransportVersion ESQL_FIXED_INDEX_LIKE_8_19 = def(8_841_0_64);
     public static final TransportVersion INITIAL_ELASTICSEARCH_8_19_1 = def(8_841_0_65);
     public static final TransportVersion INITIAL_ELASTICSEARCH_8_19_2 = def(8_841_0_66);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_8_19_3 = def(8_841_0_67);
     public static final TransportVersion INITIAL_ELASTICSEARCH_8_19_4 = def(8_841_0_68);
     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);
     public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_2 = def(9_000_0_11);
     public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_3 = def(9_000_0_12);
     public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_4 = def(9_000_0_13);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_6 = def(9_000_0_15);
     public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_7 = def(9_000_0_16);
     public static final TransportVersion COHERE_BIT_EMBEDDING_TYPE_SUPPORT_ADDED = def(9_001_0_00);
     public static final TransportVersion REMOVE_SNAPSHOT_FAILURES = def(9_002_0_00);
@@ -333,11 +332,11 @@ static TransportVersion def(int id) {
     public static final TransportVersion ML_INFERENCE_COHERE_API_VERSION = def(9_110_0_00);
     public static final TransportVersion ESQL_PROFILE_INCLUDE_PLAN = def(9_111_0_00);
     public static final TransportVersion MAPPINGS_IN_DATA_STREAMS = def(9_112_0_00);
+    public static final TransportVersion ESQL_SPLIT_ON_BIG_VALUES_9_1 = def(9_112_0_01);
     public static final TransportVersion ESQL_FIXED_INDEX_LIKE_9_1 = def(9_112_0_02);
     public static final TransportVersion ESQL_SAMPLE_OPERATOR_STATUS_9_1 = def(9_112_0_03);
     public static final TransportVersion INITIAL_ELASTICSEARCH_9_1_1 = def(9_112_0_04);
     public static final TransportVersion INITIAL_ELASTICSEARCH_9_1_2 = def(9_112_0_05);
-    public static final TransportVersion INITIAL_ELASTICSEARCH_9_1_3 = def(9_112_0_06);
     public static final TransportVersion INITIAL_ELASTICSEARCH_9_1_4 = def(9_112_0_07);
 
     /*

server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_18_6.csv

@@ -0,0 +1 @@
+8840008

server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_8_19_3.csv

@@ -0,0 +1 @@
+8841067

server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_9_0_6.csv

@@ -0,0 +1 @@
+9000015

server/src/main/resources/transport/definitions/unreferable/initial_elasticsearch_9_1_3.csv

@@ -0,0 +1 @@
+9112006

server/src/main/resources/transport/upper_bounds/8.18.csv

@@ -1 +1 @@
-initial_elasticsearch_8_18_5,8840007
+initial_elasticsearch_8_18_6,8840008

server/src/main/resources/transport/upper_bounds/8.19.csv

@@ -1 +1 @@
-esql_split_on_big_values,8841063
+initial_elasticsearch_8_19_3,8841067

server/src/main/resources/transport/upper_bounds/9.0.csv

@@ -1 +1 @@
-initial_elasticsearch_9_0_5,9000014
+initial_elasticsearch_9_0_6,9000015

server/src/main/resources/transport/upper_bounds/9.1.csv

@@ -1 +1 @@
-esql_split_on_big_values,9112001
+initial_elasticsearch_9_1_3,9112006

x-pack/plugin/esql/compute/src/main/java/org/elasticsearch/compute/lucene/read/ValuesSourceReaderOperatorStatus.java

@@ -23,14 +23,15 @@
 
 import static org.elasticsearch.TransportVersions.ESQL_DOCUMENTS_FOUND_AND_VALUES_LOADED;
 import static org.elasticsearch.TransportVersions.ESQL_DOCUMENTS_FOUND_AND_VALUES_LOADED_8_19;
+import static org.elasticsearch.TransportVersions.ESQL_SPLIT_ON_BIG_VALUES_8_19;
+import static org.elasticsearch.TransportVersions.ESQL_SPLIT_ON_BIG_VALUES_9_1;
 
 public class ValuesSourceReaderOperatorStatus extends AbstractPageMappingToIteratorOperator.Status {
     public static final NamedWriteableRegistry.Entry ENTRY = new NamedWriteableRegistry.Entry(
         Operator.Status.class,
         "values_source_reader",
         ValuesSourceReaderOperatorStatus::readFrom
     );
-    private static final TransportVersion SPLIT_ON_BIG_VALUES = TransportVersion.fromName("esql_split_on_big_values");
 
     private final Map<String, Integer> readersBuilt;
     private final long valuesLoaded;
@@ -101,7 +102,7 @@ public void writeTo(StreamOutput out) throws IOException {
     }
 
     private static boolean supportsSplitOnBigValues(TransportVersion version) {
-        return version.supports(SPLIT_ON_BIG_VALUES);
+        return version.onOrAfter(ESQL_SPLIT_ON_BIG_VALUES_9_1) || version.isPatchFrom(ESQL_SPLIT_ON_BIG_VALUES_8_19);
     }
 
     private static boolean supportsValuesLoaded(TransportVersion version) {

x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/MlAnomaliesIndexUpdate.java

@@ -40,6 +40,7 @@
 import java.util.Arrays;
 import java.util.List;
 
+import static org.elasticsearch.TransportVersions.ML_ROLLOVER_LEGACY_INDICES;
 import static org.elasticsearch.xpack.core.ClientHelper.ML_ORIGIN;
 import static org.elasticsearch.xpack.core.ml.utils.MlIndexAndAlias.FIRST_INDEX_SIX_DIGIT_SUFFIX;
 import static org.elasticsearch.xpack.core.ml.utils.MlIndexAndAlias.has6DigitSuffix;
@@ -52,8 +53,6 @@ public class MlAnomaliesIndexUpdate implements MlAutoUpdateService.UpdateAction
 
     private static final Logger logger = LogManager.getLogger(MlAnomaliesIndexUpdate.class);
 
-    private static final TransportVersion ML_ROLLOVER_LEGACY_INDICES = TransportVersion.fromName("ml_rollover_legacy_indices");
-
     private final IndexNameExpressionResolver expressionResolver;
     private final OriginSettingClient client;
 
@@ -66,7 +65,7 @@ public MlAnomaliesIndexUpdate(IndexNameExpressionResolver expressionResolver, Cl
     public boolean isMinTransportVersionSupported(TransportVersion minTransportVersion) {
         // Automatic rollover does not require any new features
         // but wait for all nodes to be upgraded anyway
-        return minTransportVersion.supports(ML_ROLLOVER_LEGACY_INDICES);
+        return minTransportVersion.onOrAfter(ML_ROLLOVER_LEGACY_INDICES);
     }
 
     @Override

x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/MlIndexRollover.java

@@ -30,6 +30,7 @@
 import java.util.ArrayList;
 import java.util.List;
 
+import static org.elasticsearch.TransportVersions.ML_ROLLOVER_LEGACY_INDICES;
 import static org.elasticsearch.xpack.core.ClientHelper.ML_ORIGIN;
 
 /**
@@ -43,8 +44,6 @@ public class MlIndexRollover implements MlAutoUpdateService.UpdateAction {
 
     private static final Logger logger = LogManager.getLogger(MlIndexRollover.class);
 
-    private static final TransportVersion ML_ROLLOVER_LEGACY_INDICES = TransportVersion.fromName("ml_rollover_legacy_indices");
-
     public record IndexPatternAndAlias(String indexPattern, String alias) {}
 
     private final IndexNameExpressionResolver expressionResolver;