feat: appointment relation table

fix: relations for clinic doc and clinic

migrations/versions/a3a9b7d17bdd_appointment_relation_table.py

@@ -0,0 +1,33 @@
+"""appointment relation table
+
+Revision ID: a3a9b7d17bdd
+Revises: 827c736d4aeb
+Create Date: 2025-05-13 11:09:24.512689
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'a3a9b7d17bdd'
+down_revision: Union[str, None] = '827c736d4aeb'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    op.add_column('clinic_doctors', sa.Column('clinic_id', sa.Integer(), nullable=True))
+    op.create_foreign_key(None, 'clinic_doctors', 'clinics', ['clinic_id'], ['id'])
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'clinic_doctors', type_='foreignkey')
+    op.drop_column('clinic_doctors', 'clinic_id')
+    # ### end Alembic commands ###