29 lines
630 B
Python
29 lines
630 B
Python
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from django.db import migrations
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from ._migrations import legacy_migration_factory
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# SAAS-923
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# Add a partial constraint to cc_pref so that keystrings must be unique
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UP = """
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ALTER TABLE cc_pref ALTER COLUMN subjid SET DEFAULT NULL;
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CREATE UNIQUE INDEX cc_pref_key_idx ON cc_pref (keystr) WHERE subjid IS NULL;
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ANALYZE cc_pref;
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"""
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DOWN = None
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class Migration(migrations.Migration):
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dependencies = [
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("legacy", "0011_2_5_13"),
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]
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operations = [
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migrations.RunPython(
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code=legacy_migration_factory(
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target="2.5.14",
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sql=UP,
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)
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)
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]
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