Fixes #11046: Restrict length of indexed search values (#11076)

* Fixes #11046: Restrict length of indexed search values

* Reference constant in index declaration

* Remove index from CachedValue.value

netbox/extras/migrations/0083_search.py

@@ -2,6 +2,7 @@ import sys
 import uuid
 
 import django.db.models.deletion
+import django.db.models.lookups
 from django.core import management
 from django.db import migrations, models
 
@@ -39,7 +40,7 @@ class Migration(migrations.Migration):
                 ('object_id', models.PositiveBigIntegerField()),
                 ('field', models.CharField(max_length=200)),
                 ('type', models.CharField(max_length=30)),
-                ('value', models.TextField(db_index=True)),
+                ('value', models.TextField()),
                 ('weight', models.PositiveSmallIntegerField(default=1000)),
                 ('object_type', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='+', to='contenttypes.contenttype')),
             ],

netbox/extras/models/search.py

@@ -36,9 +36,7 @@ class CachedValue(models.Model):
     type = models.CharField(
         max_length=30
     )
-    value = models.TextField(
-        db_index=True
-    )
+    value = models.TextField()
     weight = models.PositiveSmallIntegerField(
         default=1000
     )