changed modified_table_id from string to integer

smash/web/migrations/0147_auto_20200320_0931.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.5 on 2020-03-20 09:31
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('web', '0146_auto_20200319_1446'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='provenance',
+            name='modified_table_id',
+            field=models.IntegerField(default=0, verbose_name=b'Modified table row'),
+        ),
+    ]

smash/web/models/provenance.py

@@ -12,10 +12,7 @@ class Provenance(models.Model):
                                      blank=False, null=False
                                     )
 
-    modified_table_id = models.CharField(max_length=1024,
-                                     verbose_name='Modified table row',
-                                     blank=False, null=False
-                                    )
+    modified_table_id = models.IntegerField(default=0, verbose_name='Modified table row', blank=False, null=False)    
 
     modification_date = models.DateTimeField(
         verbose_name='Modified on',