tmp fix collation to insensitive

Signed-off-by: Anton Melser <[email protected]>

Author: AntonOfTheWoods

openedx_learning/apps/authoring/publishing/migrations/0009_create_case_insensitive_collation.py

@@ -4,10 +4,9 @@
 
 
 class Migration(migrations.Migration):
-    dependencies = [
-        ("oel_publishing", "0008_alter_draftchangelogrecord_options_and_more"),
+    run_before = [
+        ("oel_publishing", "0001_initial"),
     ]
-
     operations = [
         # Create a custom case-insensitive collation for PostgreSQL.
         # This collation is used by case_insensitive_char_field() to provide
@@ -29,7 +28,7 @@ class Migration(migrations.Migration):
         CreateCollation(
             "case_insensitive",
             provider="icu",
-            locale="en-US",
+            locale="und-u-ks-level2",
             deterministic=False,
         ),
     ]

openedx_learning/lib/fields.py

@@ -14,7 +14,7 @@
 import hashlib
 import uuid
 
-from django.db import models
+from django.db import connection, models
 
 from .collations import MultiCollationMixin
 from .validators import validate_utc_datetime
@@ -38,6 +38,9 @@ def create_hash_digest(data_bytes: bytes, num_bytes=20) -> str:
 
 
 def default_case_insensitive_collations_args(**kwargs):
+    # Remove db_index from kwargs if using PostgreSQL to avoid collation issues
+    if connection.vendor == "postgresql":
+        kwargs = {k: v for k, v in kwargs.items() if k != "db_index"}
     return {
         "null": False,
         "db_collations": {