Merge pull request #3 from daniviga/hyperscale

Convert Telemetry into an hyperscale table

freedcs/api/migrations/0003_auto_20200602_2128.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.0.6 on 2020-06-02 21:28
+
+import api.models
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0002_auto_20200601_1523'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='device',
+            name='serial',
+            field=models.CharField(max_length=128, unique=True, validators=[api.models.device_validation]),
+        ),
+    ]

freedcs/telemetry/migrations/0003_auto_20200601_1710.py

@@ -1,13 +0,0 @@
-# Generated by Django 3.0.6 on 2020-06-01 17:10
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('telemetry', '0002_auto_20200601_1557'),
-    ]
-
-    operations = [
-    ]

freedcs/telemetry/migrations/0003_auto_20200602_2131.py

@@ -0,0 +1,26 @@
+# Generated by Django 3.0.6 on 2020-06-02 21:31
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('telemetry', '0002_auto_20200601_1557'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='telemetry',
+            options={'ordering': ['time', 'device'], 'verbose_name_plural': 'Telemetry'},
+        ),
+        migrations.RemoveField(
+            model_name='telemetry',
+            name='id',
+        ),
+        migrations.AlterField(
+            model_name='telemetry',
+            name='time',
+            field=models.DateTimeField(auto_now_add=True, primary_key=True, serialize=False),
+        ),
+    ]

freedcs/telemetry/migrations/0004_auto_20200602_2132.py

@@ -0,0 +1,15 @@
+# Generated by Django 3.0.6 on 2020-06-02 21:32
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('telemetry', '0003_auto_20200602_2131'),
+    ]
+
+    operations = [
+        migrations.RunSQL(
+            "SELECT create_hypertable('telemetry_telemetry', 'time');"),
+    ]

freedcs/telemetry/models.py

@@ -6,7 +6,7 @@ from api.models import Device
 
 class Telemetry(models.Model):
     device = models.ForeignKey(Device, on_delete=models.CASCADE)
-    time = models.DateTimeField(auto_now_add=True)
+    time = models.DateTimeField(primary_key=True, auto_now_add=True)
     payload = JSONField()
 
     class Meta: