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32 lines
862 B
32 lines
862 B
# Generated by Django 2.2.13 on 2020-06-24 22:57
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from django.db import migrations, models
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def smaz_prezdivku(apps, schema_editor):
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Osoba = apps.get_model('seminar', 'Osoba')
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for o in Osoba.objects.filter(prezdivka=''):
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o.prezdivka = None
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o.save()
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def pridej_prezdivku(apps, schema_editor):
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Osoba = apps.get_model('seminar', 'Osoba')
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for o in Osoba.objects.filter(prezdivka=None):
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o.prezdivka = ''
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o.save()
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class Migration(migrations.Migration):
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dependencies = [
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('seminar', '0084_clanek_cislo'),
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]
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operations = [
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migrations.AlterField(
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model_name='osoba',
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name='prezdivka',
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field=models.CharField(blank=True, max_length=256, null=True, verbose_name='přezdívka'),
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),
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migrations.RunPython(smaz_prezdivku, pridej_prezdivku),
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]
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