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FabledCurator/alembic/versions/0015_fc5_migration_run.py
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2026-05-22 08:11:42 -04:00

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Python

"""fc5: migration_run table
Revision ID: 0015
Revises: 0014
Create Date: 2026-05-22
Additive only. New table tracks each invocation of the FC-5 migration
tooling (backup, gs, ir, ml_queue, verify, rollback). kind/status are
plain String(32) — values validated at the API layer per the spec, not
a Postgres ENUM (so adding kinds later doesn't need a schema migration).
"""
from typing import Sequence, Union
import sqlalchemy as sa
from alembic import op
from sqlalchemy.dialects import postgresql
revision: str = "0015"
down_revision: Union[str, None] = "0014"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
op.create_table(
"migration_run",
sa.Column("id", sa.Integer(), primary_key=True),
sa.Column("kind", sa.String(32), nullable=False, index=True),
sa.Column("status", sa.String(32), nullable=False, index=True),
sa.Column(
"dry_run", sa.Boolean(), nullable=False, server_default=sa.false(),
),
sa.Column(
"started_at", sa.DateTime(timezone=True),
nullable=False, server_default=sa.func.now(),
),
sa.Column("finished_at", sa.DateTime(timezone=True), nullable=True),
sa.Column(
"counts", postgresql.JSONB,
nullable=False, server_default=sa.text("'{}'::jsonb"),
),
sa.Column("error", sa.Text(), nullable=True),
sa.Column(
"metadata", postgresql.JSONB,
nullable=False, server_default=sa.text("'{}'::jsonb"),
),
)
def downgrade() -> None:
op.drop_table("migration_run")