33 lines
970 B
Python
33 lines
970 B
Python
# Generated by Django 4.2.7 on 2023-11-23 03:23
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from django.db import migrations, models
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_sql = """DELETE
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FROM journal_shelflogentry a USING journal_shelflogentry b
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WHERE a.ctid < b.ctid
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AND a.item_id=b.item_id
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AND a.owner_id=b.owner_id
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AND a.timestamp=b.timestamp
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AND a.shelf_type=b.shelf_type"""
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class Migration(migrations.Migration):
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dependencies = [
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("journal", "0019_alter_collection_edited_time_and_more"),
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]
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operations = [
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migrations.RunSQL("SET CONSTRAINTS ALL IMMEDIATE;"),
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migrations.RunSQL(
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sql=_sql,
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reverse_sql=migrations.RunSQL.noop,
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),
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migrations.RunSQL("SET CONSTRAINTS ALL DEFERRED;"),
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migrations.AddConstraint(
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model_name="shelflogentry",
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constraint=models.UniqueConstraint(
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fields=("owner", "item", "timestamp", "shelf_type"),
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name="unique_shelf_log_entry",
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),
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),
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]
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