From 75cefcf97603b99aee1874da5301d54218185631 Mon Sep 17 00:00:00 2001
From: Richard Sommerville
 <111354001+richardfoodsteps@users.noreply.github.com>
Date: Mon, 16 Dec 2024 17:58:10 +0000
Subject: [PATCH] Use lowercase normalizer in mapping of 'caption'

To fix #2022, sorting of documents in an investigation or dataset by name should be case-insensitive
---
 aleph/index/indexes.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aleph/index/indexes.py b/aleph/index/indexes.py
index b6d0128392..26c2b81d76 100644
--- a/aleph/index/indexes.py
+++ b/aleph/index/indexes.py
@@ -85,7 +85,7 @@ def configure_schema(schema, version):
         "dynamic": False,
         "_source": {"excludes": ["text", "fingerprints"]},
         "properties": {
-            "caption": KEYWORD,
+            "caption": {"type": "keyword", "normalizer": "lowercase"},
             "schema": KEYWORD,
             "schemata": KEYWORD,
             registry.entity.group: KEYWORD,