36 lines
877 B
Python
36 lines
877 B
Python
"""events.camera source type
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Revision ID: 004_camera_enum
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Revises: 003_news
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Create Date: 2026-08-25
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"""
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from alembic import op
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revision = '004_camera_enum'
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down_revision = '003_news'
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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# Postgres enums have no IF NOT EXISTS for values — guard manually so the
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# migration stays idempotent across restarts.
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op.execute("""
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_enum e
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JOIN pg_type t ON t.oid = e.enumtypid
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WHERE t.typname = 'event_source_type' AND e.enumlabel = 'camera'
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) THEN
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ALTER TYPE event_source_type ADD VALUE 'camera';
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END IF;
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END
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$$;
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""")
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def downgrade() -> None:
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# Enum value removal is not supported by Postgres; leave it in place.
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pass
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