Cascade delete additional information

Author: LKajan

database/migrations/versions/2025_02_19_1201-f90eb601dceb_cascade_delete_additional_information.py

@@ -0,0 +1,60 @@
+"""cascade delete additional information
+
+Revision ID: f90eb601dceb
+Revises: 74c313df967b
+Create Date: 2025-02-19 12:01:27.426582
+
+"""
+
+from typing import Sequence, Union
+
+import geoalchemy2
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "f90eb601dceb"
+down_revision: Union[str, None] = "74c313df967b"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(
+        "plan_regulation_id_fkey",
+        "additional_information",
+        schema="hame",
+        type_="foreignkey",
+    )
+    op.create_foreign_key(
+        "plan_regulation_id_fkey",
+        "additional_information",
+        "plan_regulation",
+        ["plan_regulation_id"],
+        ["id"],
+        source_schema="hame",
+        referent_schema="hame",
+        ondelete="CASCADE",
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(
+        "plan_regulation_id_fkey",
+        "additional_information",
+        schema="hame",
+        type_="foreignkey",
+    )
+    op.create_foreign_key(
+        "plan_regulation_id_fkey",
+        "additional_information",
+        "plan_regulation",
+        ["plan_regulation_id"],
+        ["id"],
+        source_schema="hame",
+        referent_schema="hame",
+    )
+    # ### end Alembic commands ###

database/models.py

@@ -327,6 +327,7 @@ class AdditionalInformation(VersionedBase, AttributeValueMixin):
         ForeignKey(
             "hame.plan_regulation.id",
             name="plan_regulation_id_fkey",
+            ondelete="CASCADE",
         ),
         index=True,
     )
@@ -400,7 +401,11 @@ class PlanRegulation(PlanBase, AttributeValueMixin):
     plan_theme = relationship("PlanTheme", backref="plan_regulations", lazy="joined")
 
     additional_information: Mapped[list[AdditionalInformation]] = relationship(
-        "AdditionalInformation", back_populates="plan_regulation", lazy="joined"
+        "AdditionalInformation",
+        back_populates="plan_regulation",
+        lazy="joined",
+        cascade="all, delete-orphan",
+        passive_deletes=True,
     )
 
     ordering: Mapped[Optional[int]]