39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
"""soft-delete: deleted_at + deleted_batch_id on 7 tables
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Revision ID: 0057
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Revises: 0056
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Create Date: 2026-05-28
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Recoverable deletes: each soft-deletable table gains a nullable deleted_at
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timestamp (NULL = live) and a deleted_batch_id (text UUID) stamped per delete
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operation so a cascaded delete restores as a unit. A daily cron purges rows
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past the retention window.
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"""
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from alembic import op
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import sqlalchemy as sa
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revision = "0057"
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down_revision = "0056"
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branch_labels = None
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depends_on = None
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_TABLES = (
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"notes", "events", "projects", "milestones",
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"rulebooks", "rulebook_topics", "rules",
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)
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def upgrade() -> None:
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for t in _TABLES:
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op.add_column(t, sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=True))
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op.add_column(t, sa.Column("deleted_batch_id", sa.Text(), nullable=True))
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op.create_index(f"ix_{t}_deleted_at", t, ["deleted_at"])
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def downgrade() -> None:
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for t in reversed(_TABLES):
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op.drop_index(f"ix_{t}_deleted_at", table_name=t)
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op.drop_column(t, "deleted_batch_id")
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op.drop_column(t, "deleted_at")
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