migrate to postgresql

abonapp/migrations/0005_current_tariff.py

@@ -0,0 +1,19 @@
+# Generated by Django 2.1 on 2018-09-22 14:24
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('abonapp', '0004_auto_20180918_1734'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='abon',
+            name='current_tariff',
+            field=models.OneToOneField(blank=True, default=None, null=True,
+                                       on_delete=django.db.models.deletion.SET_NULL, to='abonapp.AbonTariff'),
+        ),
+    ]

abonapp/models.py

@@ -87,7 +87,7 @@ class AbonManager(MyUserManager):
 
 
 class Abon(BaseAccount):
-    current_tariff = models.OneToOneField(AbonTariff, null=True, blank=True, on_delete=models.SET_NULL)
+    current_tariff = models.OneToOneField(AbonTariff, null=True, blank=True, on_delete=models.SET_NULL, default=None)
     group = models.ForeignKey(Group, on_delete=models.SET_NULL, blank=True, null=True, verbose_name=_('User group'))
     ballance = models.FloatField(default=0.0)
     ip_addresses = models.ManyToManyField(IpLeaseModel, verbose_name=_('Ip addresses'))

statistics/migrations/0003_auto_20180814_1921.py

@@ -1,19 +1,36 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.11 on 2018-08-14 19:21
-from __future__ import unicode_literals
-
-from django.db import migrations, models
+# Generated by Django 2.1 on 2018-09-22 14:30
+from django.core.exceptions import ImproperlyConfigured
+from django.db import migrations, connection, models
 from statistics.fields import UnixDateTimeField
 
 
+# def psql_migr(apps, _):
+#     pass
+
+
 class Migration(migrations.Migration):
+
     dependencies = [
-        ('abonapp', '0002_auto_20180808_1448'),
+        ('abonapp', '0005_current_tariff'),
         ('statistics', '0002_auto_20180808_1236'),
     ]
 
     operations = [
-        migrations.RunSQL(
+        migrations.AlterModelOptions(
+            name='statcache',
+            options={'ordering': ('-last_time',)},
+        ),
+    ]
+
+
+db_e = connection.settings_dict.get('ENGINE')
+if db_e is None:
+    raise ImproperlyConfigured('Database ENGINE is not set')
+# if 'postgresql' in db_e:
+#     # Postgres
+    Migration.operations.insert(0, migrations.RunPython(psql_migr))
+if 'mysql' in db_e:
+    Migration.operations.insert(0, migrations.RunSQL(
         (
             "DROP TABLE `flowcache`;",
             "CREATE TABLE `flowcache` ( "
@@ -39,5 +56,24 @@ class Migration(migrations.Migration):
                 },
             )
         ]
+    ))
+else:
+    Migration.operations.extend(
+        (
+            migrations.DeleteModel(name='statcache'),
+            migrations.CreateModel(
+                name='statcache',
+                fields=[
+                    ('last_time', UnixDateTimeField()),
+                    ('abon', models.OneToOneField('abonapp.Abon', on_delete=models.CASCADE, primary_key=True)),
+                    ('octets', models.PositiveIntegerField(default=0)),
+                    ('packets', models.PositiveIntegerField(default=0))
+                ],
+                options={
+                    'db_table': 'flowcache',
+                    'ordering': ('-last_time',),
+                    #'db_tablespace': 'ram'
+                },
+            )
+        )
     )
-    ]

statistics/models.py

@@ -129,3 +129,4 @@ class StatCache(models.Model):
     class Meta:
         db_table = 'flowcache'
         ordering = ('-last_time',)
+        # db_tablespace = 'ram'