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"""actor and service backfill state"""
from __future__ import annotations
from alembic import op
import sqlalchemy as sa
from sqlalchemy import inspect
revision = "20260411_0003"
down_revision = "20260411_0002"
branch_labels = None
depends_on = None
def _table_names() -> set[str]:
return set(inspect(op.get_bind()).get_table_names())
def _column_names(table_name: str) -> set[str]:
return {column["name"] for column in inspect(op.get_bind()).get_columns(table_name)}
def upgrade() -> None:
if "tracked_actors" in _table_names():
columns = _column_names("tracked_actors")
if "backfill_status" not in columns:
op.add_column("tracked_actors", sa.Column("backfill_status", sa.String(length=32), nullable=True))
op.execute(sa.text("UPDATE tracked_actors SET backfill_status = 'pending' WHERE backfill_status IS NULL"))
if "backfill_started_at" not in columns:
op.add_column("tracked_actors", sa.Column("backfill_started_at", sa.DateTime(timezone=True), nullable=True))
if "backfill_completed_at" not in columns:
op.add_column("tracked_actors", sa.Column("backfill_completed_at", sa.DateTime(timezone=True), nullable=True))
if "last_backfill_error" not in columns:
op.add_column("tracked_actors", sa.Column("last_backfill_error", sa.Text(), nullable=True))
if "service_backfill_states" not in _table_names():
op.create_table(
"service_backfill_states",
sa.Column("id", sa.Integer(), primary_key=True),
sa.Column("actor", sa.String(length=255), nullable=False),
sa.Column("service", sa.String(length=32), nullable=False),
sa.Column("cursor_json", sa.JSON(), nullable=True),
sa.Column("status", sa.String(length=32), nullable=False),
sa.Column("started_at", sa.DateTime(timezone=True), nullable=True),
sa.Column("completed_at", sa.DateTime(timezone=True), nullable=True),
sa.Column("last_error", sa.Text(), nullable=True),
sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
sa.UniqueConstraint("actor", "service", name="uq_service_backfill_state_actor_service"),
)
def downgrade() -> None:
if "service_backfill_states" in _table_names():
op.drop_table("service_backfill_states")
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