35 lines
1 KiB
Python
35 lines
1 KiB
Python
# Generated by Django 4.2.5 on 2023-09-11 17:52
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from django.db import migrations
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from django.db.models import Subquery, OuterRef, F
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def forward(apps, schema_editor):
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DocHistory = apps.get_model("doc", "DocHistory")
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RelatedDocument = apps.get_model("doc", "RelatedDocument")
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DocHistory.objects.filter(type_id="draft", doc__type_id="rfc").update(type_id="rfc")
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DocHistory.objects.filter(
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type_id="draft", doc__type_id="draft", name__startswith="rfc"
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).annotate(
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rfc_id=Subquery(
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RelatedDocument.objects.filter(
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source_id=OuterRef("doc_id"), relationship_id="became_rfc"
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).values_list("target_id", flat=True)[:1]
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)
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).update(
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doc_id=F("rfc_id"), type_id="rfc"
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)
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assert not DocHistory.objects.filter(
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name__startswith="rfc", type_id="draft"
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).exists()
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class Migration(migrations.Migration):
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dependencies = [
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("doc", "0016_delete_docalias"),
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]
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# There is no going back
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operations = [migrations.RunPython(forward)]
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