TSDB: Reject the nested object fields that are configured time_series_dimension

docs/changelog/83920.yaml

@@ -0,0 +1,5 @@
+pr: 83920
+summary: "TSDB: Reject the nested object fields that are configured time_series_dimension"
+area: TSDB
+type: enhancement
+issues: []

rest-api-spec/src/yamlRestTest/resources/rest-api-spec/test/tsdb/05_dimension_and_metric_in_non_tsdb_index.yml

@@ -216,12 +216,13 @@ no _tsid in standard indices:
   - is_false: fields._tsid  # _tsid metadata field must not exist in non-time-series indices
 
 ---
-nested dimensions:
+no nested dimensions:
   - skip:
-      version: all
-      reason: Awaits fix https://github.com/elastic/elasticsearch/issues/83915
+      version: " - 8.1.99"
+      reason: introduced in 8.2.0
 
   - do:
+      catch: /time_series_dimension can't be configured in nested field \[nested.dim\]/
       indices.create:
           index: test
           body:
@@ -235,14 +236,3 @@ nested dimensions:
                       dim:
                         type: keyword
                         time_series_dimension: true
-
-  - do:
-      index:
-        index: test
-        refresh: true
-        body:
-          "@timestamp": "2021-04-28T18:35:24.467Z"
-          nested:
-            - dim: foo
-            - dim: bar
-            - dim: baz

rest-api-spec/src/yamlRestTest/resources/rest-api-spec/test/tsdb/20_mapping.yml

@@ -312,7 +312,7 @@ nested dimensions:
       reason: message changed in 8.2.0
 
   - do:
-      catch: /cannot have nested fields when index is in \[index.mode=time_series\]/
+      catch: /time_series_dimension can't be configured in nested field \[nested.dim\]/
       indices.create:
           index: test
           body:
@@ -333,3 +333,34 @@ nested dimensions:
                       dim:
                         type: keyword
                         time_series_dimension: true
+
+---
+nested fields:
+  - skip:
+      version: " - 8.1.99"
+      reason: message changed in 8.2.0
+
+  - do:
+      catch: /cannot have nested fields when index is in \[index.mode=time_series\]/
+      indices.create:
+        index: test
+        body:
+          settings:
+            index:
+              mode: time_series
+              routing_path: [dim]
+              time_series:
+                start_time: 2021-04-28T00:00:00Z
+                end_time: 2021-04-29T00:00:00Z
+          mappings:
+            properties:
+              "@timestamp":
+                type: date
+              dim:
+                type: keyword
+                time_series_dimension: true
+              nested:
+                type: nested
+                properties:
+                  foo:
+                    type: keyword

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

@@ -520,4 +520,13 @@ protected void indexScriptValues(
     public FieldMapper.Builder getMergeBuilder() {
         return new Builder(simpleName(), scriptCompiler, ignoreMalformedByDefault, indexCreatedVersion).dimension(dimension).init(this);
     }
+
+    @Override
+    public void doValidate(MappingLookup lookup) {
+        if (dimension && null != lookup.nestedLookup().getNestedParent(name())) {
+            throw new IllegalArgumentException(
+                TimeSeriesParams.TIME_SERIES_DIMENSION_PARAM + " can't be configured in nested field [" + name() + "]"
+            );
+        }
+    }
 }

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

@@ -979,4 +979,13 @@ protected String contentType() {
     public FieldMapper.Builder getMergeBuilder() {
         return new Builder(simpleName(), indexAnalyzers, scriptCompiler).dimension(dimension).init(this);
     }
+
+    @Override
+    public void doValidate(MappingLookup lookup) {
+        if (dimension && null != lookup.nestedLookup().getNestedParent(name())) {
+            throw new IllegalArgumentException(
+                TimeSeriesParams.TIME_SERIES_DIMENSION_PARAM + " can't be configured in nested field [" + name() + "]"
+            );
+        }
+    }
 }

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

@@ -1501,4 +1501,13 @@ public FieldMapper.Builder getMergeBuilder() {
             .metric(metricType)
             .init(this);
     }
+
+    @Override
+    public void doValidate(MappingLookup lookup) {
+        if (dimension && null != lookup.nestedLookup().getNestedParent(name())) {
+            throw new IllegalArgumentException(
+                TimeSeriesParams.TIME_SERIES_DIMENSION_PARAM + " can't be configured in nested field [" + name() + "]"
+            );
+        }
+    }
 }

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

@@ -25,6 +25,7 @@
 import java.io.UncheckedIOException;
 import java.util.Collection;
 import java.util.HashSet;
+import java.util.List;
 import java.util.function.Function;
 
 import static org.hamcrest.Matchers.containsString;
@@ -1380,4 +1381,52 @@ public void testFieldNamesIncludeInRoot() throws Exception {
         assertThat(doc.docs().get(4).get("_field_names"), nullValue());
     }
 
+    public void testNoDimensionNestedFields() {
+        {
+            Exception e = expectThrows(IllegalArgumentException.class, () -> createDocumentMapper(mapping(b -> {
+                b.startObject("nested");
+                {
+                    b.field("type", "nested");
+                    b.startObject("properties");
+                    {
+                        b.startObject("foo")
+                            .field("type", randomFrom(List.of("keyword", "ip", "long", "double", "unsigned_long")))
+                            .field("time_series_dimension", true)
+                            .endObject();
+                    }
+                    b.endObject();
+                }
+                b.endObject();
+            })));
+            assertThat(e.getMessage(), containsString("time_series_dimension can't be configured in nested field [nested.foo]"));
+        }
+
+        {
+            Exception e = expectThrows(IllegalArgumentException.class, () -> createDocumentMapper(mapping(b -> {
+                b.startObject("nested");
+                {
+                    b.field("type", "nested");
+                    b.startObject("properties");
+                    {
+                        b.startObject("other").field("type", "keyword").endObject();
+                        b.startObject("object").field("type", "object");
+                        {
+                            b.startObject("properties");
+                            {
+                                b.startObject("foo")
+                                    .field("type", randomFrom(List.of("keyword", "ip", "long", "double", "unsigned_long")))
+                                    .field("time_series_dimension", true)
+                                    .endObject();
+                            }
+                            b.endObject();
+                        }
+                        b.endObject();
+                    }
+                    b.endObject();
+                }
+                b.endObject();
+            })));
+            assertThat(e.getMessage(), containsString("time_series_dimension can't be configured in nested field [nested.object.foo]"));
+        }
+    }
 }

x-pack/plugin/mapper-unsigned-long/src/main/java/org/elasticsearch/xpack/unsignedlong/UnsignedLongFieldMapper.java

@@ -29,6 +29,7 @@
 import org.elasticsearch.index.mapper.MappedFieldType;
 import org.elasticsearch.index.mapper.MapperBuilderContext;
 import org.elasticsearch.index.mapper.MapperParsingException;
+import org.elasticsearch.index.mapper.MappingLookup;
 import org.elasticsearch.index.mapper.SimpleMappedFieldType;
 import org.elasticsearch.index.mapper.SourceValueFetcher;
 import org.elasticsearch.index.mapper.TextSearchInfo;
@@ -648,4 +649,12 @@ protected static long sortableSignedLongToUnsigned(long value) {
         return value ^ MASK_2_63;
     }
 
+    @Override
+    public void doValidate(MappingLookup lookup) {
+        if (dimension && null != lookup.nestedLookup().getNestedParent(name())) {
+            throw new IllegalArgumentException(
+                TimeSeriesParams.TIME_SERIES_DIMENSION_PARAM + " can't be configured in nested field [" + name() + "]"
+            );
+        }
+    }
 }