44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
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 = [
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("tasks", "0023_taskusersettings_default_group"),
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]
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operations = [
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migrations.AddField(
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model_name="taskcolumn",
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name="parent",
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field=models.ForeignKey(
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blank=True,
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null=True,
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on_delete=django.db.models.deletion.CASCADE,
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related_name="subcolumns",
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to="tasks.taskcolumn",
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verbose_name="Родительская колонка",
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),
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),
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migrations.RemoveConstraint(
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model_name="taskcolumn",
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name="uniq_task_column_board_name",
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),
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migrations.AddConstraint(
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model_name="taskcolumn",
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constraint=models.UniqueConstraint(
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condition=models.Q(("parent__isnull", True)),
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fields=("board", "name"),
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name="uniq_task_top_column_board_name",
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),
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),
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migrations.AddConstraint(
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model_name="taskcolumn",
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constraint=models.UniqueConstraint(
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condition=models.Q(("parent__isnull", False)),
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fields=("parent", "name"),
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name="uniq_task_subcolumn_parent_name",
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),
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),
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]
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