fixes from pr 2412 (#746)

java-client/src/main/java/co/elastic/clients/elasticsearch/ElasticsearchAsyncClient.java

@@ -2238,7 +2238,8 @@ public final <TDocument, TPartialDocument> CompletableFuture<UpdateResponse<TDoc
 	// ----- Endpoint: update_by_query
 
 	/**
-	 * Performs an update on every document in the index without changing the
+	 * Updates documents that match the specified query. If no query is specified,
+	 * performs an update on every document in the index without changing the
 	 * source, for example to pick up a mapping change.
 	 * 
 	 * @see <a href=
@@ -2254,7 +2255,8 @@ public CompletableFuture<UpdateByQueryResponse> updateByQuery(UpdateByQueryReque
 	}
 
 	/**
-	 * Performs an update on every document in the index without changing the
+	 * Updates documents that match the specified query. If no query is specified,
+	 * performs an update on every document in the index without changing the
 	 * source, for example to pick up a mapping change.
 	 * 
 	 * @param fn

java-client/src/main/java/co/elastic/clients/elasticsearch/ElasticsearchClient.java

@@ -2283,7 +2283,8 @@ public final <TDocument, TPartialDocument> UpdateResponse<TDocument> update(
 	// ----- Endpoint: update_by_query
 
 	/**
-	 * Performs an update on every document in the index without changing the
+	 * Updates documents that match the specified query. If no query is specified,
+	 * performs an update on every document in the index without changing the
 	 * source, for example to pick up a mapping change.
 	 * 
 	 * @see <a href=
@@ -2300,7 +2301,8 @@ public UpdateByQueryResponse updateByQuery(UpdateByQueryRequest request)
 	}
 
 	/**
-	 * Performs an update on every document in the index without changing the
+	 * Updates documents that match the specified query. If no query is specified,
+	 * performs an update on every document in the index without changing the
 	 * source, for example to pick up a mapping change.
 	 * 
 	 * @param fn

java-client/src/main/java/co/elastic/clients/elasticsearch/core/FieldCapsRequest.java

@@ -87,6 +87,9 @@ public class FieldCapsRequest extends RequestBase implements JsonpSerializable {
 	@Nullable
 	private final Boolean ignoreUnavailable;
 
+	@Nullable
+	private final Boolean includeEmptyFields;
+
 	@Nullable
 	private final Boolean includeUnmapped;
 
@@ -108,6 +111,7 @@ private FieldCapsRequest(Builder builder) {
 		this.fields = ApiTypeHelper.unmodifiable(builder.fields);
 		this.filters = builder.filters;
 		this.ignoreUnavailable = builder.ignoreUnavailable;
+		this.includeEmptyFields = builder.includeEmptyFields;
 		this.includeUnmapped = builder.includeUnmapped;
 		this.index = ApiTypeHelper.unmodifiable(builder.index);
 		this.indexFilter = builder.indexFilter;
@@ -178,6 +182,16 @@ public final Boolean ignoreUnavailable() {
 		return this.ignoreUnavailable;
 	}
 
+	/**
+	 * If false, empty fields are not included in the response.
+	 * <p>
+	 * API name: {@code include_empty_fields}
+	 */
+	@Nullable
+	public final Boolean includeEmptyFields() {
+		return this.includeEmptyFields;
+	}
+
 	/**
 	 * If true, unmapped fields are included in the response.
 	 * <p>
@@ -294,6 +308,9 @@ public static class Builder extends RequestBase.AbstractBuilder<Builder>
 		@Nullable
 		private Boolean ignoreUnavailable;
 
+		@Nullable
+		private Boolean includeEmptyFields;
+
 		@Nullable
 		private Boolean includeUnmapped;
 
@@ -401,6 +418,16 @@ public final Builder ignoreUnavailable(@Nullable Boolean value) {
 			return this;
 		}
 
+		/**
+		 * If false, empty fields are not included in the response.
+		 * <p>
+		 * API name: {@code include_empty_fields}
+		 */
+		public final Builder includeEmptyFields(@Nullable Boolean value) {
+			this.includeEmptyFields = value;
+			return this;
+		}
+
 		/**
 		 * If true, unmapped fields are included in the response.
 		 * <p>
@@ -634,6 +661,9 @@ protected static void setupFieldCapsRequestDeserializer(ObjectDeserializer<Field
 				if (request.allowNoIndices != null) {
 					params.put("allow_no_indices", String.valueOf(request.allowNoIndices));
 				}
+				if (request.includeEmptyFields != null) {
+					params.put("include_empty_fields", String.valueOf(request.includeEmptyFields));
+				}
 				if (request.filters != null) {
 					params.put("filters", request.filters);
 				}