Expand course_id column

openassessment/assessment/migrations/0003_expand_course_id.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('assessment', '0002_staffworkflow'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='aiclassifierset',
+            name='course_id',
+            field=models.CharField(max_length=255, db_index=True),
+        ),
+        migrations.AlterField(
+            model_name='aigradingworkflow',
+            name='course_id',
+            field=models.CharField(max_length=255, db_index=True),
+        ),
+        migrations.AlterField(
+            model_name='aitrainingworkflow',
+            name='course_id',
+            field=models.CharField(max_length=255, db_index=True),
+        ),
+        migrations.AlterField(
+            model_name='peerworkflow',
+            name='course_id',
+            field=models.CharField(max_length=255, db_index=True),
+        ),
+        migrations.AlterField(
+            model_name='staffworkflow',
+            name='course_id',
+            field=models.CharField(max_length=255, db_index=True),
+        ),
+        migrations.AlterField(
+            model_name='studenttrainingworkflow',
+            name='course_id',
+            field=models.CharField(max_length=255, db_index=True),
+        ),
+    ]

openassessment/assessment/models/ai.py

@@ -152,7 +152,7 @@ class AIClassifierSet(models.Model):
     # Though these items are duplicated in the database tables for the AITrainingWorkflow,
     # this is okay because it will drastically speed up the operation of assigning classifiers
     # to AIGradingWorkflows
-    course_id = models.CharField(max_length=40, db_index=True)
+    course_id = models.CharField(max_length=255, db_index=True)
     item_id = models.CharField(max_length=128, db_index=True)
 
     @classmethod
@@ -505,7 +505,7 @@ class AIWorkflow(models.Model):
     # Though these items are duplicated in the database tables for the submissions app,
     # and every workflow has a reference to a submission entry, this is okay because
     # submissions are immutable.
-    course_id = models.CharField(max_length=40, db_index=True)
+    course_id = models.CharField(max_length=255, db_index=True)
     item_id = models.CharField(max_length=128, db_index=True)
 
     # Timestamps

openassessment/assessment/models/peer.py

@@ -109,7 +109,7 @@ class PeerWorkflow(models.Model):
 
     student_id = models.CharField(max_length=40, db_index=True)
     item_id = models.CharField(max_length=128, db_index=True)
-    course_id = models.CharField(max_length=40, db_index=True)
+    course_id = models.CharField(max_length=255, db_index=True)
     submission_uuid = models.CharField(max_length=128, db_index=True, unique=True)
     created_at = models.DateTimeField(default=now, db_index=True)
     completed_at = models.DateTimeField(null=True, db_index=True)

openassessment/assessment/models/staff.py

@@ -27,7 +27,7 @@ class StaffWorkflow(models.Model):
     TIME_LIMIT = timedelta(hours=8)
 
     scorer_id = models.CharField(max_length=40, db_index=True)
-    course_id = models.CharField(max_length=40, db_index=True)
+    course_id = models.CharField(max_length=255, db_index=True)
     item_id = models.CharField(max_length=128, db_index=True)
     submission_uuid = models.CharField(max_length=128, db_index=True, unique=True)
     created_at = models.DateTimeField(default=now, db_index=True)

openassessment/assessment/models/student_training.py

@@ -21,7 +21,7 @@ class StudentTrainingWorkflow(models.Model):
     # jeopardizing data integrity.
     student_id = models.CharField(max_length=40, db_index=True)
     item_id = models.CharField(max_length=128, db_index=True)
-    course_id = models.CharField(max_length=40, db_index=True)
+    course_id = models.CharField(max_length=255, db_index=True)
 
     class Meta:
         app_label = "assessment"