Remove documents from index which are not returned by connector

backend/alembic/versions/5f4b8568a221_add_removed_documents_to_index_attempt.py

@@ -0,0 +1,27 @@
+"""add removed documents to index_attempt
+
+Revision ID: 5f4b8568a221
+Revises: dbaa756c2ccf
+Create Date: 2024-02-16 15:02:03.319907
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision = "5f4b8568a221"
+down_revision = "8987770549c0"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "index_attempt",
+        sa.Column("docs_removed_from_index", sa.Integer()),
+    )
+    op.execute("UPDATE index_attempt SET docs_removed_from_index = 0")
+
+
+def downgrade() -> None:
+    op.drop_column("index_attempt", "docs_removed_from_index")