Don't print synthetic source in mapping for bwc tests #2

Author: kkrik-es

server/src/main/java/org/elasticsearch/index/mapper/SourceFieldMapper.java

@@ -114,17 +114,17 @@ public static class Builder extends MetadataFieldMapper.Builder {
         );
 
         private final IndexMode indexMode;
+        private final boolean setDefaultSytheticMode;
 
-        public Builder(IndexMode indexMode, IndexVersion indexVersion) {
+        public Builder(IndexMode indexMode, boolean setDefaultSytheticMode) {
             super(Defaults.NAME);
             this.indexMode = indexMode;
+            this.setDefaultSytheticMode = setDefaultSytheticMode;
             this.mode = new Parameter<>(
                 "mode",
                 true,
                 // The default mode for TimeSeries is left empty on purpose, so that mapping printings include the synthetic source mode.
-                () -> getIndexMode() == IndexMode.TIME_SERIES && indexVersion.between(IndexVersion.V_8_7_0, IndexVersion.V_8_10_0)
-                    ? Mode.SYNTHETIC
-                    : null,
+                () -> getIndexMode() == IndexMode.TIME_SERIES && setDefaultSytheticMode ? Mode.SYNTHETIC : null,
                 (n, c, o) -> Mode.valueOf(o.toString().toUpperCase(Locale.ROOT)),
                 m -> toType(m).enabled.explicit() ? null : toType(m).mode,
                 (b, n, v) -> b.field(n, v.toString().toLowerCase(Locale.ROOT)),
@@ -171,7 +171,8 @@ public SourceFieldMapper build() {
                 enabled.get(),
                 includes.getValue().toArray(String[]::new),
                 excludes.getValue().toArray(String[]::new),
-                indexMode
+                indexMode,
+                setDefaultSytheticMode
             );
             if (indexMode != null) {
                 indexMode.validateSourceFieldMapper(sourceFieldMapper);
@@ -188,7 +189,10 @@ private IndexMode getIndexMode() {
         c -> c.getIndexSettings().getMode() == IndexMode.TIME_SERIES
             ? c.getIndexSettings().getIndexVersionCreated().onOrAfter(IndexVersion.V_8_7_0) ? TSDB_DEFAULT : TSDB_LEGACY_DEFAULT
             : DEFAULT,
-        c -> new Builder(c.getIndexSettings().getMode(), c.getIndexSettings().getIndexVersionCreated())
+        c -> new Builder(
+            c.getIndexSettings().getMode(),
+            c.getIndexSettings().getIndexVersionCreated().between(IndexVersion.V_8_7_0, IndexVersion.V_8_10_0)
+        )
     );
 
     static final class SourceFieldType extends MappedFieldType {
@@ -230,8 +234,25 @@ public Query termQuery(Object value, SearchExecutionContext context) {
     private final SourceFilter sourceFilter;
 
     private final IndexMode indexMode;
+    private final boolean setDefaultSytheticMode;
+
+    private SourceFieldMapper(
+        Mode mode,
+        Explicit<Boolean> enabled,
+        String[] includes,
+        String[] excludes,
+        IndexMode indexMode) {
+        this(mode, enabled, includes, excludes, indexMode, false);
+    }
 
-    private SourceFieldMapper(Mode mode, Explicit<Boolean> enabled, String[] includes, String[] excludes, IndexMode indexMode) {
+    private SourceFieldMapper(
+        Mode mode,
+        Explicit<Boolean> enabled,
+        String[] includes,
+        String[] excludes,
+        IndexMode indexMode,
+        boolean setDefaultSytheticMode
+    ) {
         super(new SourceFieldType((enabled.explicit() && enabled.value()) || (enabled.explicit() == false && mode != Mode.DISABLED)));
         assert enabled.explicit() == false || mode == null;
         this.mode = mode;
@@ -244,6 +265,7 @@ private SourceFieldMapper(Mode mode, Explicit<Boolean> enabled, String[] include
         }
         this.complete = stored() && sourceFilter == null;
         this.indexMode = indexMode;
+        this.setDefaultSytheticMode = setDefaultSytheticMode;
     }
 
     private static SourceFilter buildSourceFilter(String[] includes, String[] excludes) {
@@ -313,7 +335,7 @@ protected String contentType() {
 
     @Override
     public FieldMapper.Builder getMergeBuilder() {
-        return new Builder(indexMode, IndexVersion.current()).init(this);
+        return new Builder(indexMode, setDefaultSytheticMode).init(this);
     }
 
     /**

server/src/test/java/org/elasticsearch/index/mapper/SourceFieldMapperTests.java

@@ -13,7 +13,6 @@
 import org.elasticsearch.common.bytes.BytesReference;
 import org.elasticsearch.common.xcontent.XContentHelper;
 import org.elasticsearch.index.IndexMode;
-import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.xcontent.XContentBuilder;
 import org.elasticsearch.xcontent.XContentFactory;
 import org.elasticsearch.xcontent.XContentParser;
@@ -242,8 +241,8 @@ public void testSyntheticSourceInTimeSeries() throws IOException {
     }
 
     public void testSyntheticSourceInTimeSeriesBwc() throws IOException {
-        SourceFieldMapper sourceMapper = new SourceFieldMapper.Builder(IndexMode.TIME_SERIES, IndexVersion.V_8_8_0).build();
+        SourceFieldMapper sourceMapper = new SourceFieldMapper.Builder(IndexMode.TIME_SERIES, true).build();
         assertTrue(sourceMapper.isSynthetic());
-        assertEquals("{\"_source\":{\"mode\":\"synthetic\"}}", sourceMapper.toString());
+        assertEquals("{}", sourceMapper.toString());
     }
 }

server/src/test/java/org/elasticsearch/index/query/SearchExecutionContextTests.java

@@ -381,7 +381,7 @@ public void testSearchRequestRuntimeFieldsAndMultifieldDetection() {
 
     public void testSyntheticSourceSearchLookup() throws IOException {
         // Build a mapping using synthetic source
-        SourceFieldMapper sourceMapper = new SourceFieldMapper.Builder(null, IndexVersion.current()).setSynthetic().build();
+        SourceFieldMapper sourceMapper = new SourceFieldMapper.Builder(null, false).setSynthetic().build();
         RootObjectMapper root = new RootObjectMapper.Builder("_doc", Explicit.IMPLICIT_TRUE).add(
             new KeywordFieldMapper.Builder("cat", IndexVersion.current()).ignoreAbove(100)
         ).build(MapperBuilderContext.root(true, false));