fix(findings): change uid from varchar to text (#7048)

api/CHANGELOG.md

@@ -13,6 +13,7 @@ All notable changes to the **Prowler API** are documented in this file.
 
 ### Changed
 - Optimized `GET /findings` endpoint to improve response time and size [(#7019)](https://github.com/prowler-cloud/prowler/pull/7019).
+- Changed `findings.uid` field type from `varchar(300)` to `text` [(#7048)](https://github.com/prowler-cloud/prowler/pull/7048).
 
 ---
 

api/src/backend/api/migrations/0012_alter_finding_uid.py

@@ -0,0 +1,17 @@
+# Generated by Django 5.1.5 on 2025-02-26 13:33
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("api", "0011_findings_performance_indexes_parent"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="finding",
+            name="uid",
+            field=models.TextField(blank=False, null=False),
+        ),
+    ]

api/src/backend/api/models.py

@@ -636,7 +636,7 @@ class Finding(PostgresPartitionedModel, RowLevelSecurityProtectedModel):
     updated_at = models.DateTimeField(auto_now=True, editable=False)
     first_seen_at = models.DateTimeField(editable=False, null=True)
 
-    uid = models.CharField(max_length=300)
+    uid = models.TextField(blank=False, null=False)
     delta = FindingDeltaEnumField(
         choices=DeltaChoices.choices,
         blank=True,

api/src/backend/api/specs/v1.yaml

@@ -5834,7 +5834,7 @@ components:
           properties:
             uid:
               type: string
-              maxLength: 300
+              nullable: false
             delta:
               enum:
               - new
@@ -5893,7 +5893,6 @@ components:
               readOnly: true
               nullable: true
           required:
-          - uid
           - status
           - severity
           - check_id