On we go. Maybe soon this will be done

alembic/versions/2025_11_19_1800-add_hashed_customer_id_to_conversion_guests.py

@@ -0,0 +1,34 @@
+"""add hashed_customer_id to conversion_guests
+
+Revision ID: a1b2c3d4e5f6
+Revises: 08fe946414d8
+Create Date: 2025-11-19 18:00:00.000000
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'a1b2c3d4e5f6'
+down_revision: Union[str, Sequence[str], None] = '08fe946414d8'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # Add hashed_customer_id column to conversion_guests
+    op.add_column('conversion_guests', sa.Column('hashed_customer_id', sa.Integer(), nullable=True))
+    op.create_index(op.f('ix_conversion_guests_hashed_customer_id'), 'conversion_guests', ['hashed_customer_id'], unique=False)
+    op.create_foreign_key(None, 'conversion_guests', 'hashed_customers', ['hashed_customer_id'], ['id'], ondelete='SET NULL')
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # Drop the hashed_customer_id column and its constraints
+    op.drop_constraint(None, 'conversion_guests', type_='foreignkey')
+    op.drop_index(op.f('ix_conversion_guests_hashed_customer_id'), table_name='conversion_guests')
+    op.drop_column('conversion_guests', 'hashed_customer_id')