Use keyword types for exact values

arkindex/documents/indexer.py

@@ -28,11 +28,11 @@ class Indexer(object):
                             "transcriptions": {
                                 "type": "nested",
                                 "properties": {
-                                    "id": {"type": "text"},
-                                    "type": {"type": "text"},
+                                    "id": {"type": "keyword"},
+                                    "type": {"type": "keyword"},
                                     "score": {"type": "float"},
                                     "text": {"type": "text"},
-                                    "corpus": {"type": "text"}
+                                    "corpus": {"type": "keyword"}
                                 }
                             }
                         }

arkindex/templates/elastic/search_acts.json

@@ -24,7 +24,7 @@
                             {% elif corpora_ids %}
                             {
                                 "terms": {
-                                    "transcriptions.corpus.keyword": [
+                                    "transcriptions.corpus": [
                                         {% for corpus_id in corpora_ids %}
                                         "{{ corpus_id }}"{% if forloop.revcounter0 != 0 %},{% endif %}
                                         {% endfor %}