32 lines
1.4 KiB
Python
32 lines
1.4 KiB
Python
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# Generated manually for frozen cohort membership.
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import uuid
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import django.db.models.deletion
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from django.db import migrations, models
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class Migration(migrations.Migration):
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dependencies = [("trading_studio", "0002_qualification_replay_v1")]
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operations = [
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migrations.CreateModel(
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name="CohortMembership",
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fields=[
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("id", models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
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("created_at", models.DateTimeField(auto_now_add=True)),
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("updated_at", models.DateTimeField(auto_now=True)),
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("ordinal", models.PositiveIntegerField()),
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("member_id", models.UUIDField(unique=True)),
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("provenance", models.CharField(max_length=80)),
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("metadata", models.JSONField(default=dict)),
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("cohort", models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name="memberships", to="trading_studio.tradingcohort")),
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("strategy_version", models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name="cohort_memberships", to="trading_studio.strategyversion")),
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],
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),
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migrations.AddConstraint(
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model_name="cohortmembership",
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constraint=models.UniqueConstraint(fields=("cohort", "ordinal"), name="unique_cohort_member_ordinal"),
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),
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]
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