ipld-eth-server/db/migrations/00016_add_cascade_delete_to_blocks.sql

-- +goose Up
ALTER TABLE blocks
  DROP CONSTRAINT node_fk;

ALTER TABLE blocks
  ADD CONSTRAINT node_fk
FOREIGN KEY (node_id)
REFERENCES nodes (id)
ON DELETE CASCADE;

-- +goose Down
ALTER TABLE blocks
  DROP CONSTRAINT node_fk;

ALTER TABLE blocks
  ADD CONSTRAINT node_fk
FOREIGN KEY (node_id)
REFERENCES nodes (id);