fix: filter tags override inherited type tags

test/mapping-model/aggregations/src/agg-array.agg-test.ts

@@ -0,0 +1,38 @@
+/*
+ * 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';
+
+/**
+ * @indexable
+ */
+export interface AggArray {
+  /**
+   * @aggregatable
+   */
+  array: Foo[];
+
+  type: ThingType.AggArray;
+}
+type Foo = 'A' | 'B' | 'C';
+
+export const testConfig: MapAggTestOptions = {
+  testName: 'Aggregation tag should propagate on arrays',
+  name: ThingType.AggArray,
+  agg: {
+    fields: ['array'],
+  },
+};