Add ingestion metrics (#256)

backend/alembic/versions/d7111c1238cd_remove_document_ids.py

@@ -0,0 +1,32 @@
+"""Remove Document IDs
+
+Revision ID: d7111c1238cd
+Revises: 465f78d9b7f9
+Create Date: 2023-07-29 15:06:25.126169
+
+"""
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = "d7111c1238cd"
+down_revision = "465f78d9b7f9"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.drop_column("index_attempt", "document_ids")
+
+
+def downgrade() -> None:
+    op.add_column(
+        "index_attempt",
+        sa.Column(
+            "document_ids",
+            postgresql.ARRAY(sa.VARCHAR()),
+            autoincrement=False,
+            nullable=True,
+        ),
+    )