48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
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"""Controlled source provenance and durable operation receipts.
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Revision ID: 0002
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Revises: 0001
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Create Date: 2026-08-22
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"""
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from __future__ import annotations
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import sqlalchemy as sa
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from alembic import op
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revision = "0002"
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down_revision = "0001"
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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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op.add_column("repositories", sa.Column("source_ref_json", sa.JSON(), nullable=True))
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op.add_column("snapshots", sa.Column("source_provenance_json", sa.JSON(), nullable=True))
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op.create_table(
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"operation_receipts",
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sa.Column("operation_key", sa.String(length=200), nullable=False),
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sa.Column("request_fingerprint", sa.String(length=64), nullable=False),
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sa.Column("snapshot_id", sa.String(length=36), nullable=False),
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sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
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sa.ForeignKeyConstraint(
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["snapshot_id"],
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["snapshots.id"],
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name=op.f("fk_operation_receipts_snapshot_id_snapshots"),
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ondelete="RESTRICT",
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),
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sa.PrimaryKeyConstraint("operation_key", name=op.f("pk_operation_receipts")),
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)
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op.create_index(
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"ix_operation_receipts_snapshot",
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"operation_receipts",
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["snapshot_id"],
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)
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def downgrade() -> None:
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op.drop_index("ix_operation_receipts_snapshot", table_name="operation_receipts")
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op.drop_table("operation_receipts")
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op.drop_column("snapshots", "source_provenance_json")
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op.drop_column("repositories", "source_ref_json")
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