1 files changed, 55 insertions, 0 deletions
diff --git a/alembic/versions/20260411_0003_backfill_state.py b/alembic/versions/20260411_0003_backfill_state.py
new file mode 100644
index 0000000..371c739
--- /dev/null
+++ b/alembic/versions/20260411_0003_backfill_state.py
@@ -0,0 +1,55 @@
+"""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")