default value could be longer than 20 characters

CHANGELOG

@@ -2,6 +2,8 @@ smasch (1.0.0~beta.6-1) unstable; urgency=low
 
   * bug fix: when two visits with the same start date are created compute visit
     number on the visit creation order basis (#369)
+  * bug fix: default value should be able to store longer values - the same as
+    possible text value (#373)
 
  -- Piotr Gawron <piotr.gawron@uni.lu>  Wed, 24 Feb 2021 12:00:00 +0200
 

smash/web/migrations/0192_auto_20210224_1703.py

+# Generated by Django 3.1.4 on 2021-02-24 17:03
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('web', '0191_auto_20201201_1033'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='customstudysubjectfield',
+            name='default_value',
+            field=models.CharField(blank=True, max_length=256, null=True),
+        ),
+    ]

smash/web/models/custom_data/custom_study_subject_field.py

@@ -11,7 +11,7 @@ class CustomStudySubjectField(models.Model):
 
     possible_values = models.CharField(max_length=1024, null=True, blank=True, default='')
 
-    default_value = models.CharField(max_length=20, null=True, blank=True)
+    default_value = models.CharField(max_length=256, null=True, blank=True)
     readonly = models.BooleanField(default=False)
 
     required = models.BooleanField(default=False)