fix: filter tags override inherited type tags

test/mapping-model/mappings/src/object-union.mapping-test.ts

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2020 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {ThingType} from './types';
+import {MapAggTestOptions} from '../../MapAggTestOptions';
+import {ElasticsearchDataType} from '../../../../src/config/typemap';
+
+/**
+ * @indexable
+ */
+export interface ObjectUnion {
+  foo: Boo | Buu;
+
+  type: ThingType.ObjectUnion
+}
+
+// we can't name them Bar or Baz, look here for more info:
+// https://gitlab.com/openstapps/core-tools/-/issues/48
+// or here
+// https://github.com/TypeStrong/typedoc/issues/1373
+interface Boo {
+  a: boolean;
+  intersection: string;
+}
+
+interface Buu {
+  b: number;
+  intersection: string;
+}
+
+export const testConfig: MapAggTestOptions = {
+  testName: 'Object union types should work',
+  name: ThingType.ObjectUnion,
+  map: {
+    maps: {
+      foo: {
+        dynamic: 'strict',
+        properties: {
+          a: {
+            type: ElasticsearchDataType.boolean
+          },
+          b: {
+            type: ElasticsearchDataType.integer
+          },
+          intersection: {
+            type: ElasticsearchDataType.text
+          }
+        }
+      }
+    }
+  }
+};