83 lines
3.1 KiB
Python
83 lines
3.1 KiB
Python
"""fc3h: backup_run table
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Revision ID: 0017
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Revises: 0016
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Create Date: 2026-05-24
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Additive. New table records every backup/restore attempt with artifact
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metadata. Lifecycle tracking lives in task_run from FC-3i; this is
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artifact-only (paths, sizes, tag, restore lineage).
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"""
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from typing import Sequence, Union
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import sqlalchemy as sa
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from alembic import op
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revision: str = "0017"
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down_revision: Union[str, None] = "0016"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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op.create_table(
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"backup_run",
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sa.Column("id", sa.Integer(), primary_key=True),
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sa.Column("kind", sa.String(length=16), nullable=False),
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sa.Column(
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"status", sa.String(length=16), nullable=False,
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server_default="pending",
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),
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sa.Column("tag", sa.String(length=64), nullable=True),
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sa.Column("triggered_by", sa.String(length=32), nullable=False),
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sa.Column("started_at", sa.DateTime(timezone=True), nullable=False),
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sa.Column("finished_at", sa.DateTime(timezone=True), nullable=True),
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sa.Column("sql_path", sa.Text(), nullable=True),
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sa.Column("tar_path", sa.Text(), nullable=True),
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sa.Column("size_bytes", sa.BigInteger(), nullable=True),
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sa.Column("error", sa.Text(), nullable=True),
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sa.Column(
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"manifest", sa.JSON(), nullable=False, server_default="{}",
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),
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sa.Column(
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"restored_from_id", sa.Integer(),
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sa.ForeignKey("backup_run.id", ondelete="SET NULL"),
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nullable=True,
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),
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)
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# Single-column indexes (matches Mapped[...].index=True).
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op.create_index("ix_backup_run_kind", "backup_run", ["kind"])
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op.create_index("ix_backup_run_status", "backup_run", ["status"])
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op.create_index("ix_backup_run_tag", "backup_run", ["tag"])
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op.create_index("ix_backup_run_started_at", "backup_run", ["started_at"])
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op.create_index("ix_backup_run_finished_at", "backup_run", ["finished_at"])
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# Composite indexes for dashboard query patterns.
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op.create_index(
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"ix_backup_run_kind_started",
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"backup_run", ["kind", sa.text("started_at DESC")],
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)
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op.create_index(
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"ix_backup_run_status_finished",
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"backup_run", ["status", sa.text("finished_at DESC")],
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)
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# Partial index: only tagged rows participate in retention-exempt query.
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op.create_index(
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"ix_backup_run_tag_partial",
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"backup_run", ["tag"],
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postgresql_where=sa.text("tag IS NOT NULL"),
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)
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def downgrade() -> None:
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op.drop_index("ix_backup_run_tag_partial", table_name="backup_run")
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op.drop_index("ix_backup_run_status_finished", table_name="backup_run")
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op.drop_index("ix_backup_run_kind_started", table_name="backup_run")
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op.drop_index("ix_backup_run_finished_at", table_name="backup_run")
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op.drop_index("ix_backup_run_started_at", table_name="backup_run")
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op.drop_index("ix_backup_run_tag", table_name="backup_run")
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op.drop_index("ix_backup_run_status", table_name="backup_run")
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op.drop_index("ix_backup_run_kind", table_name="backup_run")
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op.drop_table("backup_run")
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