fix: make migration work for sqlite for testing

enterprise/migrations/0230_alter_enterprisecustomeruser_user_fk_and_more.py

@@ -1,31 +1,34 @@
 # Generated by Django 4.2.16 on 2025-02-19 20:20
 
-from django.db import migrations, models
+from django.db import migrations, connection
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ('enterprise', '0229_enterprisecustomeruser_user_fk_and_more'),
     ]
 
-    operations = [
-        # Custom SQL to add indexes with zero-downtime options
-        migrations.RunSQL(
-            sql="""
-                ALTER TABLE enterprise_enterprisecustomeruser
-                ADD INDEX idx_enterprise_user_fk (user_fk),
-                ALGORITHM=INPLACE,
-                LOCK=NONE;
+    db_engine = connection.settings_dict['ENGINE']
+    if 'sqlite3' in db_engine:
+        operations = []
+    else:
+        operations = [
+            # Custom SQL to add indexes with zero-downtime options
+            migrations.RunSQL(
+                sql="""
+                    ALTER TABLE enterprise_enterprisecustomeruser
+                    ADD INDEX idx_enterprise_user_fk (user_fk),
+                    ALGORITHM=INPLACE,
+                    LOCK=NONE;
 
-                ALTER TABLE enterprise_historicalenterprisecustomeruser
-                ADD INDEX idx_historical_enterprise_user_fk (user_fk),
-                ALGORITHM=INPLACE,
-                LOCK=NONE;
-            """,
-            reverse_sql="""
-                ALTER TABLE enterprise_enterprisecustomeruser DROP INDEX idx_enterprise_user_fk;
-                ALTER TABLE enterprise_historicalenterprisecustomeruser DROP INDEX idx_historical_enterprise_user_fk;
-            """
-        ),
-    ]
+                    ALTER TABLE enterprise_historicalenterprisecustomeruser
+                    ADD INDEX idx_historical_enterprise_user_fk (user_fk),
+                    ALGORITHM=INPLACE,
+                    LOCK=NONE;
+                """,
+                reverse_sql="""
+                    ALTER TABLE enterprise_enterprisecustomeruser DROP INDEX idx_enterprise_user_fk;
+                    ALTER TABLE enterprise_historicalenterprisecustomeruser DROP INDEX idx_historical_enterprise_user_fk;
+                """
+            ),
+        ]