Change serialization version of doc-value fields.

Relates #29639

rest-api-spec/src/main/resources/rest-api-spec/test/search.inner_hits/10_basic.yml

@@ -45,7 +45,7 @@ setup:
 "Nested doc version and seqIDs":
 
     - skip:
-        version: " - 6.99.99" # TODO change to 6.3.99 on backport
+        version: " - 6.3.99"
         reason:  "object notation for docvalue_fields was introduced in 6.4"
 
     - do:

rest-api-spec/src/main/resources/rest-api-spec/test/search/10_source_filtering.yml

@@ -134,7 +134,7 @@ setup:
 ---
 "docvalue_fields":
   - skip:
-      version: " - 6.99.99" # TODO: change version on backport
+      version: " - 6.3.99"
       reason: format option was added in 6.4
       features: warnings
   - do:
@@ -148,7 +148,7 @@ setup:
 ---
 "docvalue_fields as url param":
   - skip:
-      version: " - 6.99.99" # TODO: change version on backport
+      version: " - 6.3.99"
       reason: format option was added in 6.4
       features: warnings
   - do:
@@ -161,7 +161,7 @@ setup:
 ---
 "docvalue_fields with default format":
   - skip:
-      version: " - 6.99.99" # TODO: change version on backport
+      version: " - 6.3.99"
       reason: format option was added in 6.4
   - do:
       search:
@@ -174,7 +174,7 @@ setup:
 ---
 "docvalue_fields with explicit format":
   - skip:
-      version: " - 6.99.99" # TODO: change version on backport
+      version: " - 6.3.99"
       reason: format option was added in 6.4
   - do:
       search:

rest-api-spec/src/main/resources/rest-api-spec/test/search/30_limits.yml

@@ -63,7 +63,7 @@ setup:
 "Docvalues_fields size limit":
 
   - skip:
-      version: " - 6.99.99" # TODO: change to 6.3.99 on backport
+      version: " - 6.3.99"
       reason: "The object notation for docvalue_fields is only supported on 6.4+"
   - do:
       catch:      /Trying to retrieve too many docvalue_fields\. Must be less than or equal to[:] \[2\] but was \[3\]\. This limit can be set by changing the \[index.max_docvalue_fields_search\] index level setting\./

server/src/main/java/org/elasticsearch/index/query/InnerHitBuilder.java

@@ -137,7 +137,7 @@ public InnerHitBuilder(StreamInput in) throws IOException {
         version = in.readBoolean();
         trackScores = in.readBoolean();
         storedFieldsContext = in.readOptionalWriteable(StoredFieldsContext::new);
-        if (in.getVersion().before(Version.V_7_0_0_alpha1)) { // TODO: change to 6.4.0 after backport
+        if (in.getVersion().before(Version.V_6_4_0)) {
             List<String> fieldList = (List<String>) in.readGenericValue();
             if (fieldList == null) {
                 docValueFields = null;
@@ -188,7 +188,7 @@ public void writeTo(StreamOutput out) throws IOException {
         out.writeBoolean(version);
         out.writeBoolean(trackScores);
         out.writeOptionalWriteable(storedFieldsContext);
-        if (out.getVersion().before(Version.V_7_0_0_alpha1)) { // TODO: change to 6.4.0 after backport
+        if (out.getVersion().before(Version.V_6_4_0)) {
             out.writeGenericValue(docValueFields == null
                     ? null
                     : docValueFields.stream().map(ff -> ff.field).collect(Collectors.toList()));

server/src/main/java/org/elasticsearch/search/builder/SearchSourceBuilder.java

@@ -199,7 +199,7 @@ public SearchSourceBuilder(StreamInput in) throws IOException {
         aggregations = in.readOptionalWriteable(AggregatorFactories.Builder::new);
         explain = in.readOptionalBoolean();
         fetchSourceContext = in.readOptionalWriteable(FetchSourceContext::new);
-        if (in.getVersion().before(Version.V_7_0_0_alpha1)) { // TODO: change to 6.4.0 after backport
+        if (in.getVersion().before(Version.V_6_4_0)) {
             List<String> dvFields = (List<String>) in.readGenericValue();
             if (dvFields == null) {
                 docValueFields = null;
@@ -263,7 +263,7 @@ public void writeTo(StreamOutput out) throws IOException {
         out.writeOptionalWriteable(aggregations);
         out.writeOptionalBoolean(explain);
         out.writeOptionalWriteable(fetchSourceContext);
-        if (out.getVersion().before(Version.V_7_0_0_alpha1)) { // TODO: change to 6.4.0 after backport
+        if (out.getVersion().before(Version.V_6_4_0)) {
             out.writeGenericValue(docValueFields == null
                     ? null
                     : docValueFields.stream().map(ff -> ff.field).collect(Collectors.toList()));

server/src/main/java/org/elasticsearch/search/fetch/subphase/DocValueFieldsContext.java

@@ -80,7 +80,7 @@ public FieldAndFormat(String field, @Nullable String format) {
         /** Serialization constructor. */
         public FieldAndFormat(StreamInput in) throws IOException {
             this.field = in.readString();
-            if (in.getVersion().onOrAfter(Version.V_7_0_0_alpha1)) { // TODO: change to 6.4.0 after backport
+            if (in.getVersion().onOrAfter(Version.V_6_4_0)) {
                 format = in.readOptionalString();
             } else {
                 format = null;
@@ -90,7 +90,7 @@ public FieldAndFormat(StreamInput in) throws IOException {
         @Override
         public void writeTo(StreamOutput out) throws IOException {
             out.writeString(field);
-            if (out.getVersion().onOrAfter(Version.V_7_0_0_alpha1)) { // TODO: change to 6.4.0 after backport
+            if (out.getVersion().onOrAfter(Version.V_6_4_0)) {
                 out.writeOptionalString(format);
             }
         }

x-pack/plugin/src/test/resources/rest-api-spec/test/sql/translate.yml

@@ -1,7 +1,7 @@
 ---
 "Translate SQL":
   - skip:
-      version: " - 6.99.99" # TODO: change version on backport
+      version: " - 6.3.99"
       reason: format option was added in 6.4
       features: warnings