ipld-eth-server/db/migrations/20171214192609_add_cascade_delete_to_blocks.sql

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-- +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);