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FabledCurator/alembic/versions/0048_series_page_pending_status.py
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bvandeusen 6959e1220c Revert "db: collapse alembic 0001..0087 into one baseline"
This reverts 2529b51. Not a retreat — a reordering, on the operator's
call, and the better sequence.

The squash's acceptance test (run 4971) found ~130 places where the ORM
models do not describe the deployed schema (#3275), including a
unique=True the database never had and two UNIQUE indexes that exist
only in migrations. Collapsing now would have baked all of that into the
one file a public installer starts from.

So: fix the drift first as ordinary migrations on the intact chain, let
the operator deploy so their database moves to the corrected head, and
only then collapse. The baseline is then generated from reconciled
models and reproduces a schema worth reproducing.

Nothing is lost by reverting. The baseline was never deployed, and
regenerating it after the fixes is strictly better than patching this
copy — it will come out of autogenerate correct rather than needing the
same hand-finishing twice.
2026-08-30 14:34:28 -04:00

46 lines
1.3 KiB
Python

"""series_page pending staging: status + nullable page_number (#789 Phase 2)
Pages added from a post no longer append straight into the run — they land
'pending' with a NULL page_number, staged grouped by their source post so the
operator can drop junk (text-free alts, bumpers) and place the keepers into the
sequence. A page only gets a series-global page_number once it's 'placed'.
Revision ID: 0048
Revises: 0047
Create Date: 2026-06-11
"""
from typing import Sequence, Union
import sqlalchemy as sa
from alembic import op
revision: str = "0048"
down_revision: Union[str, None] = "0047"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
op.add_column(
"series_page",
sa.Column(
"status", sa.String(length=16), nullable=False,
server_default="placed",
),
)
op.alter_column(
"series_page", "page_number",
existing_type=sa.Integer(), nullable=True,
)
def downgrade() -> None:
# Lossy: pending pages are unsorted staging rows with no order — drop them.
op.execute("DELETE FROM series_page WHERE status = 'pending'")
op.alter_column(
"series_page", "page_number",
existing_type=sa.Integer(), nullable=False,
)
op.drop_column("series_page", "status")